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Author SHA1 Message Date
Spring Buildmaster c45c21b7b2 Release version 4.2.0.RC1 2015-05-26 00:58:42 -07:00
12829 changed files with 541996 additions and 1101371 deletions
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@@ -1,10 +0,0 @@
root = true
[*.{adoc,bat,groovy,html,java,js,jsp,kt,kts,md,properties,py,rb,sh,sql,svg,txt,xml,xsd}]
charset = utf-8
[*.{groovy,java,kt,kts,xml,xsd}]
indent_style = tab
indent_size = 4
continuation_indent_size = 8
end_of_line = lf
-16
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@@ -1,16 +0,0 @@
# Normalize line endings to LF.
* text eol=lf
# Ensure that line endings for multipart files in spring-web are not modified.
*.multipart -text
# Ensure that line endings for DOS batch files are not modified.
*.bat -text
# Ensure the following are treated as binary.
*.gif binary
*.jar binary
*.jpeg binary
*.jpg binary
*.png binary
*.vsd binary
-6
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@@ -1,6 +0,0 @@
blank_issues_enabled: false
contact_links:
- name: Community Support
url: https://stackoverflow.com/tags/spring
about: Please ask and answer questions on StackOverflow with the tag `spring`.
-23
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@@ -1,23 +0,0 @@
---
name: General
about: Bugs, enhancements, documentation, tasks.
title: ''
labels: ''
assignees: ''
---
<!--
Have you considered asking for help on stackoverflow.com?
** Bug Reports **
Please submit issues against OSS supported versions, see https://spring.io/projects/spring-framework#support
Please provide a minimal sample application that reproduces the problem for faster issue triage.
** Enhancements requests **
Before explaining how you would like things to work,
please describe a concrete use case for this feature and how you have tried to solve this so far.
-->
@@ -1,20 +0,0 @@
name: Await HTTP Resource
description: 'Waits for an HTTP resource to be available (a HEAD request succeeds)'
inputs:
url:
description: 'URL of the resource to await'
required: true
runs:
using: composite
steps:
- name: Await HTTP resource
shell: bash
run: |
url=${{ inputs.url }}
echo "Waiting for $url"
until curl --fail --head --silent ${{ inputs.url }} > /dev/null
do
echo "."
sleep 60
done
echo "$url is available"
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@@ -1,61 +0,0 @@
name: 'Build'
description: 'Builds the project, optionally publishing it to a local deployment repository'
inputs:
develocity-access-key:
description: 'Access key for authentication with ge.spring.io'
required: false
java-distribution:
description: 'Java distribution to use'
required: false
default: 'liberica'
java-early-access:
description: 'Whether the Java version is in early access'
required: false
default: 'false'
java-toolchain:
description: 'Whether a Java toolchain should be used'
required: false
default: 'false'
java-version:
description: 'Java version to compile and test with'
required: false
default: '25'
publish:
description: 'Whether to publish artifacts ready for deployment to Artifactory'
required: false
default: 'false'
outputs:
build-scan-url:
description: 'URL, if any, of the build scan produced by the build'
value: ${{ (inputs.publish == 'true' && steps.publish.outputs.build-scan-url) || steps.build.outputs.build-scan-url }}
version:
description: 'Version that was built'
value: ${{ steps.read-version.outputs.version }}
runs:
using: composite
steps:
- name: Prepare Gradle Build
uses: ./.github/actions/prepare-gradle-build
with:
develocity-access-key: ${{ inputs.develocity-access-key }}
java-distribution: ${{ inputs.java-distribution }}
java-early-access: ${{ inputs.java-early-access }}
java-toolchain: ${{ inputs.java-toolchain }}
java-version: ${{ inputs.java-version }}
- name: Build
id: build
if: ${{ inputs.publish == 'false' }}
shell: bash
run: ./gradlew check antora
- name: Publish
id: publish
if: ${{ inputs.publish == 'true' }}
shell: bash
run: ./gradlew -PdeploymentRepository=$(pwd)/deployment-repository build publishAllPublicationsToDeploymentRepository
- name: Read Version From gradle.properties
id: read-version
shell: bash
run: |
version=$(sed -n 's/version=\(.*\)/\1/p' gradle.properties)
echo "Version is $version"
echo "version=$version" >> $GITHUB_OUTPUT
@@ -1,27 +0,0 @@
name: Create GitHub Release
description: 'Create the release on GitHub with a changelog'
inputs:
milestone:
description: 'Name of the GitHub milestone for which a release will be created'
required: true
pre-release:
description: 'Whether the release is a pre-release (a milestone or release candidate)'
required: false
default: 'false'
token:
description: 'Token to use for authentication with GitHub'
required: true
runs:
using: composite
steps:
- name: Generate Changelog
uses: spring-io/github-changelog-generator@86958813a62af8fb223b3fd3b5152035504bcb83 #v0.0.12
with:
config-file: .github/actions/create-github-release/changelog-generator.yml
milestone: ${{ inputs.milestone }}
token: ${{ inputs.token }}
- name: Create GitHub Release
shell: bash
env:
GITHUB_TOKEN: ${{ inputs.token }}
run: gh release create ${{ format('v{0}', inputs.milestone) }} --notes-file changelog.md ${{ inputs.pre-release == 'true' && '--prerelease' || '' }}
@@ -1,35 +0,0 @@
changelog:
repository: spring-projects/spring-framework
sections:
- title: ":warning: Attention Required"
labels:
- "for: upgrade-attention"
summary:
mode: "member-comment"
config:
prefix: "Attention Required:"
- title: ":star: New Features"
labels:
- "type: enhancement"
- title: ":lady_beetle: Bug Fixes"
labels:
- "type: bug"
- "type: regression"
- title: ":notebook_with_decorative_cover: Documentation"
labels:
- "type: documentation"
- title: ":hammer: Dependency Upgrades"
sort: "title"
labels:
- "type: dependency-upgrade"
contributors:
exclude:
names:
- "bclozel"
- "jhoeller"
- "poutsma"
- "rstoyanchev"
- "sbrannen"
- "sdeleuze"
- "simonbasle"
- "snicoll"
@@ -1,55 +0,0 @@
name: Prepare Gradle Build
description: 'Prepares a Gradle build. Sets up Java and Gradle and configures Gradle properties'
inputs:
develocity-access-key:
description: 'Access key for authentication with ge.spring.io'
required: false
java-distribution:
description: 'Java distribution to use'
required: false
default: 'liberica'
java-early-access:
description: 'Whether the Java version is in early access. When true, forces java-distribution to temurin'
required: false
default: 'false'
java-toolchain:
description: 'Whether a Java toolchain should be used'
required: false
default: 'false'
java-version:
description: 'Java version to use for the build'
required: false
default: '25'
runs:
using: composite
steps:
- name: Set Up Java
uses: actions/setup-java@v5
with:
distribution: ${{ inputs.java-early-access == 'true' && 'temurin' || (inputs.java-distribution || 'liberica') }}
java-version: |
${{ inputs.java-early-access == 'true' && format('{0}-ea', inputs.java-version) || inputs.java-version }}
${{ inputs.java-toolchain == 'true' && '17' || '' }}
25
- name: Set Up Gradle
uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0
with:
cache-read-only: false
develocity-access-key: ${{ inputs.develocity-access-key }}
develocity-token-expiry: 4
- name: Configure Gradle Properties
shell: bash
run: |
mkdir -p $HOME/.gradle
echo 'systemProp.user.name=spring-builds+github' >> $HOME/.gradle/gradle.properties
echo 'systemProp.org.gradle.internal.launcher.welcomeMessageEnabled=false' >> $HOME/.gradle/gradle.properties
echo 'org.gradle.daemon=false' >> $HOME/.gradle/gradle.properties
echo 'org.gradle.daemon=4' >> $HOME/.gradle/gradle.properties
- name: Configure Toolchain Properties
if: ${{ inputs.java-toolchain == 'true' }}
shell: bash
run: |
echo toolchainVersion=${{ inputs.java-version }} >> $HOME/.gradle/gradle.properties
echo systemProp.org.gradle.java.installations.auto-detect=false >> $HOME/.gradle/gradle.properties
echo systemProp.org.gradle.java.installations.auto-download=false >> $HOME/.gradle/gradle.properties
echo systemProp.org.gradle.java.installations.paths=${{ format('$JAVA_HOME_{0}_X64', inputs.java-version) }} >> $HOME/.gradle/gradle.properties
@@ -1,17 +0,0 @@
name: Print JVM thread dumps
description: 'Prints a thread dump for all running JVMs'
runs:
using: composite
steps:
- if: ${{ runner.os == 'Linux' }}
shell: bash
run: |
for jvm_pid in $(jps -q -J-XX:+PerfDisableSharedMem); do
jcmd $jvm_pid Thread.print
done
- if: ${{ runner.os == 'Windows' }}
shell: powershell
run: |
foreach ($jvm_pid in $(jps -q -J-XX:+PerfDisableSharedMem)) {
jcmd $jvm_pid Thread.print
}
@@ -1,39 +0,0 @@
name: Send Notification
description: 'Sends a Google Chat message as a notification of the job''s outcome'
inputs:
build-scan-url:
description: 'URL of the build scan to include in the notification'
required: false
run-name:
description: 'Name of the run to include in the notification'
required: false
default: ${{ format('{0} {1}', github.ref_name, github.job) }}
status:
description: 'Status of the job'
required: true
webhook-url:
description: 'Google Chat Webhook URL'
required: true
runs:
using: composite
steps:
- name: Prepare Variables
shell: bash
run: |
echo "BUILD_SCAN=${{ inputs.build-scan-url == '' && ' [build scan unavailable]' || format(' [<{0}|Build Scan>]', inputs.build-scan-url) }}" >> "$GITHUB_ENV"
echo "RUN_URL=${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}" >> "$GITHUB_ENV"
- name: Success Notification
if: ${{ inputs.status == 'success' }}
shell: bash
run: |
curl -X POST '${{ inputs.webhook-url }}' -H 'Content-Type: application/json' -d '{ text: "<${{ env.RUN_URL }}|${{ inputs.run-name }}> was successful ${{ env.BUILD_SCAN }}"}' || true
- name: Failure Notification
if: ${{ inputs.status == 'failure' }}
shell: bash
run: |
curl -X POST '${{ inputs.webhook-url }}' -H 'Content-Type: application/json' -d '{ text: "<users/all> *<${{ env.RUN_URL }}|${{ inputs.run-name }}> failed* ${{ env.BUILD_SCAN }}"}' || true
- name: Cancel Notification
if: ${{ inputs.status == 'cancelled' }}
shell: bash
run: |
curl -X POST '${{ inputs.webhook-url }}' -H 'Content-Type: application/json' -d '{ text: "<${{ env.RUN_URL }}|${{ inputs.run-name }}> was cancelled"}' || true
@@ -1,34 +0,0 @@
name: Sync to Maven Central
description: 'Syncs a release to Maven Central and waits for it to be available for use'
inputs:
central-token-password:
description: 'Password for authentication with central.sonatype.com'
required: true
central-token-username:
description: 'Username for authentication with central.sonatype.com'
required: true
jfrog-cli-config-token:
description: 'Config token for the JFrog CLI'
required: true
spring-framework-version:
description: 'Version of Spring Framework that is being synced to Central'
required: true
runs:
using: composite
steps:
- name: Set Up JFrog CLI
uses: jfrog/setup-jfrog-cli@5b06f730cc5a6f55d78b30753f8583454b08c0aa # v4.8.1
env:
JF_ENV_SPRING: ${{ inputs.jfrog-cli-config-token }}
- name: Download Release Artifacts
shell: bash
run: jf rt download --spec ${{ format('{0}/artifacts.spec', github.action_path) }} --spec-vars 'buildName=${{ format('spring-framework-{0}', inputs.spring-framework-version) }};buildNumber=${{ github.run_number }}'
- name: Sync
uses: spring-io/central-publish-action@0c03960e9b16fdfe70e2443e1d5393cbc3a35622 # v0.3.0
with:
token: ${{ inputs.central-token-password }}
token-name: ${{ inputs.central-token-username }}
- name: Await
uses: ./.github/actions/await-http-resource
with:
url: ${{ format('https://repo.maven.apache.org/maven2/org/springframework/spring-context/{0}/spring-context-{0}.jar', inputs.spring-framework-version) }}
@@ -1,20 +0,0 @@
{
"files": [
{
"aql": {
"items.find": {
"$and": [
{
"@build.name": "${buildName}",
"@build.number": "${buildNumber}",
"path": {
"$nmatch": "org/springframework/framework-api/*"
}
}
]
}
},
"target": "nexus/"
}
]
}
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@@ -1,3 +0,0 @@
require:
members: false
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@@ -1,33 +0,0 @@
name: Backport Bot
on:
issues:
types: [labeled]
pull_request:
types: [labeled]
push:
branches:
- '*.x'
permissions:
contents: read
jobs:
build:
permissions:
contents: read
issues: write
pull-requests: write
runs-on: ubuntu-latest
steps:
- name: Check out code
uses: actions/checkout@v6
- name: Set up Java
uses: actions/setup-java@v5
with:
distribution: 'liberica'
java-version: 17
- name: Download BackportBot
run: wget https://github.com/spring-io/backport-bot/releases/download/latest/backport-bot-0.0.1-SNAPSHOT.jar
- name: Backport
env:
GITHUB_EVENT: ${{ toJSON(github.event) }}
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: java -jar backport-bot-0.0.1-SNAPSHOT.jar --github.accessToken="$GITHUB_TOKEN" --github.event_name "$GITHUB_EVENT_NAME" --github.event "$GITHUB_EVENT"
@@ -1,58 +0,0 @@
name: Build and Deploy Snapshot
on:
push:
branches:
- main
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
build-and-deploy-snapshot:
name: Build and Deploy Snapshot
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
timeout-minutes: 60
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Build and Publish
id: build-and-publish
uses: ./.github/actions/build
with:
develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
publish: true
- name: Deploy
uses: spring-io/artifactory-deploy-action@926d7f7cc810569395346bf3a4d91b380b3e355b # v0.0.4
with:
artifact-properties: |
/**/framework-api-*.zip::zip.name=spring-framework,zip.deployed=false
/**/framework-api-*-docs.zip::zip.type=docs
/**/framework-api-*-schema.zip::zip.type=schema
build-name: 'spring-framework-7.1.x'
folder: 'deployment-repository'
password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository: 'libs-snapshot-local'
signing-key: ${{ secrets.GPG_PRIVATE_KEY }}
signing-passphrase: ${{ secrets.GPG_PASSPHRASE }}
uri: 'https://repo.spring.io'
username: ${{ secrets.ARTIFACTORY_USERNAME }}
- name: Send Notification
if: always()
uses: ./.github/actions/send-notification
with:
build-scan-url: ${{ steps.build-and-publish.outputs.build-scan-url }}
run-name: ${{ format('{0} | Linux | Java 17', github.ref_name) }}
status: ${{ job.status }}
webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
outputs:
version: ${{ steps.build-and-publish.outputs.version }}
verify:
name: Verify
needs: build-and-deploy-snapshot
uses: ./.github/workflows/verify.yml
secrets:
google-chat-webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
repository-password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository-username: ${{ secrets.ARTIFACTORY_USERNAME }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
with:
version: ${{ needs.build-and-deploy-snapshot.outputs.version }}
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@@ -1,25 +0,0 @@
name: Build Pull Request
on: pull_request
permissions:
contents: read
jobs:
build:
name: Build Pull Request
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
timeout-minutes: 60
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Build
id: build
uses: ./.github/actions/build
- name: Print JVM Thread Dumps When Cancelled
if: cancelled()
uses: ./.github/actions/print-jvm-thread-dumps
- name: Upload Build Reports
if: failure()
uses: actions/upload-artifact@v6
with:
name: build-reports
path: '**/build/reports/'
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@@ -1,55 +0,0 @@
name: CI
on:
schedule:
- cron: '30 9 * * *'
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
ci:
name: '${{ matrix.os.name}} | Java ${{ matrix.java.version}}'
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ${{ matrix.os.id }}
timeout-minutes: 60
strategy:
matrix:
os:
- id: ubuntu-latest
name: Linux
java:
- version: 17
toolchain: false
- version: 21
toolchain: true
- version: 25
toolchain: true
exclude:
- os:
name: Linux
java:
version: 17
steps:
- name: Prepare Windows runner
if: ${{ runner.os == 'Windows' }}
run: |
git config --global core.autocrlf true
git config --global core.longPaths true
Stop-Service -name Docker
- name: Check Out Code
uses: actions/checkout@v6
- name: Build
id: build
uses: ./.github/actions/build
with:
develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
java-early-access: ${{ matrix.java.early-access || 'false' }}
java-distribution: ${{ matrix.java.distribution }}
java-toolchain: ${{ matrix.java.toolchain }}
java-version: ${{ matrix.java.version }}
- name: Send Notification
if: always()
uses: ./.github/actions/send-notification
with:
build-scan-url: ${{ steps.build.outputs.build-scan-url }}
run-name: ${{ format('{0} | {1} | Java {2}', github.ref_name, matrix.os.name, matrix.java.version) }}
status: ${{ job.status }}
webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
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@@ -1,35 +0,0 @@
name: Deploy Docs
on:
push:
branches:
- 'main'
- '*.x'
- '!gh-pages'
tags:
- 'v*'
repository_dispatch:
types: request-build-reference # legacy
workflow_dispatch:
permissions:
actions: write
jobs:
build:
name: Dispatch docs deployment
if: github.repository_owner == 'spring-projects'
runs-on: ubuntu-latest
steps:
- name: Check out code
uses: actions/checkout@v6
with:
fetch-depth: 1
ref: docs-build
- name: Dispatch (partial build)
if: github.ref_type == 'branch'
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: gh workflow run deploy-docs.yml -r $(git rev-parse --abbrev-ref HEAD) -f build-refname=${{ github.ref_name }}
- name: Dispatch (full build)
if: github.ref_type == 'tag'
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: gh workflow run deploy-docs.yml -r $(git rev-parse --abbrev-ref HEAD)
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@@ -1,95 +0,0 @@
name: Release Milestone
on:
push:
tags:
- v7.1.0-M[1-9]
- v7.1.0-RC[1-9]
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
build-and-stage-release:
name: Build and Stage Release
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Build and Publish
id: build-and-publish
uses: ./.github/actions/build
with:
develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
publish: true
- name: Stage Release
uses: spring-io/artifactory-deploy-action@926d7f7cc810569395346bf3a4d91b380b3e355b # v0.0.4
with:
artifact-properties: |
/**/framework-api-*.zip::zip.name=spring-framework,zip.deployed=false
/**/framework-api-*-docs.zip::zip.type=docs
/**/framework-api-*-schema.zip::zip.type=schema
build-name: ${{ format('spring-framework-{0}', steps.build-and-publish.outputs.version)}}
folder: 'deployment-repository'
password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository: 'libs-staging-local'
signing-key: ${{ secrets.GPG_PRIVATE_KEY }}
signing-passphrase: ${{ secrets.GPG_PASSPHRASE }}
uri: 'https://repo.spring.io'
username: ${{ secrets.ARTIFACTORY_USERNAME }}
outputs:
version: ${{ steps.build-and-publish.outputs.version }}
verify:
name: Verify
needs: build-and-stage-release
uses: ./.github/workflows/verify.yml
secrets:
google-chat-webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
repository-password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository-username: ${{ secrets.ARTIFACTORY_USERNAME }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
with:
staging: true
version: ${{ needs.build-and-stage-release.outputs.version }}
sync-to-maven-central:
name: Sync to Maven Central
needs:
- build-and-stage-release
- verify
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Sync to Maven Central
uses: ./.github/actions/sync-to-maven-central
with:
central-token-password: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}
central-token-username: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
jfrog-cli-config-token: ${{ secrets.JF_ARTIFACTORY_SPRING }}
spring-framework-version: ${{ needs.build-and-stage-release.outputs.version }}
promote-release:
name: Promote Release
needs:
- build-and-stage-release
- sync-to-maven-central
runs-on: ubuntu-latest
steps:
- name: Set up JFrog CLI
uses: jfrog/setup-jfrog-cli@5b06f730cc5a6f55d78b30753f8583454b08c0aa # v4.8.1
env:
JF_ENV_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
- name: Promote build
run: jfrog rt build-promote ${{ format('spring-framework-{0}', needs.build-and-stage-release.outputs.version)}} ${{ github.run_number }} libs-milestone-local
create-github-release:
name: Create GitHub Release
needs:
- build-and-stage-release
- promote-release
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Create GitHub Release
uses: ./.github/actions/create-github-release
with:
milestone: ${{ needs.build-and-stage-release.outputs.version }}
pre-release: true
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
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@@ -1,93 +0,0 @@
name: Release
on:
push:
tags:
- v7.1.[0-9]+
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
jobs:
build-and-stage-release:
name: Build and Stage Release
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Build and Publish
id: build-and-publish
uses: ./.github/actions/build
with:
develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
publish: true
- name: Stage Release
uses: spring-io/artifactory-deploy-action@926d7f7cc810569395346bf3a4d91b380b3e355b # v0.0.4
with:
artifact-properties: |
/**/framework-api-*.zip::zip.name=spring-framework,zip.deployed=false
/**/framework-api-*-docs.zip::zip.type=docs
/**/framework-api-*-schema.zip::zip.type=schema
build-name: ${{ format('spring-framework-{0}', steps.build-and-publish.outputs.version)}}
folder: 'deployment-repository'
password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository: 'libs-staging-local'
signing-key: ${{ secrets.GPG_PRIVATE_KEY }}
signing-passphrase: ${{ secrets.GPG_PASSPHRASE }}
uri: 'https://repo.spring.io'
username: ${{ secrets.ARTIFACTORY_USERNAME }}
outputs:
version: ${{ steps.build-and-publish.outputs.version }}
verify:
name: Verify
needs: build-and-stage-release
uses: ./.github/workflows/verify.yml
secrets:
google-chat-webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
repository-password: ${{ secrets.ARTIFACTORY_PASSWORD }}
repository-username: ${{ secrets.ARTIFACTORY_USERNAME }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
with:
staging: true
version: ${{ needs.build-and-stage-release.outputs.version }}
sync-to-maven-central:
name: Sync to Maven Central
needs:
- build-and-stage-release
- verify
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Sync to Maven Central
uses: ./.github/actions/sync-to-maven-central
with:
central-token-password: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}
central-token-username: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
jfrog-cli-config-token: ${{ secrets.JF_ARTIFACTORY_SPRING }}
spring-framework-version: ${{ needs.build-and-stage-release.outputs.version }}
promote-release:
name: Promote Release
needs:
- build-and-stage-release
- sync-to-maven-central
runs-on: ubuntu-latest
steps:
- name: Set up JFrog CLI
uses: jfrog/setup-jfrog-cli@5b06f730cc5a6f55d78b30753f8583454b08c0aa # v4.8.1
env:
JF_ENV_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
- name: Promote build
run: jfrog rt build-promote ${{ format('spring-framework-{0}', needs.build-and-stage-release.outputs.version)}} ${{ github.run_number }} libs-release-local
create-github-release:
name: Create GitHub Release
needs:
- build-and-stage-release
- promote-release
runs-on: ubuntu-latest
steps:
- name: Check Out Code
uses: actions/checkout@v6
- name: Create GitHub Release
uses: ./.github/actions/create-github-release
with:
milestone: ${{ needs.build-and-stage-release.outputs.version }}
token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
@@ -1,37 +0,0 @@
name: Update Antora UI Spring
on:
schedule:
- cron: '0 10 * * *' # Once per day at 10am UTC
workflow_dispatch:
permissions:
pull-requests: write
issues: write
contents: write
jobs:
update-antora-ui-spring:
name: Update on Supported Branches
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
strategy:
matrix:
branch: [ '6.2.x', '7.0.x', 'main' ]
steps:
- uses: spring-io/spring-doc-actions/update-antora-spring-ui@5a57bcc6a0da2a1474136cf29571b277850432bc
name: Update
with:
docs-branch: ${{ matrix.branch }}
token: ${{ secrets.GITHUB_TOKEN }}
antora-file-path: 'framework-docs/antora-playbook.yml'
update-antora-ui-spring-docs-build:
name: Update on docs-build
if: ${{ github.repository == 'spring-projects/spring-framework' }}
runs-on: ubuntu-latest
steps:
- uses: spring-io/spring-doc-actions/update-antora-spring-ui@5a57bcc6a0da2a1474136cf29571b277850432bc
name: Update
with:
docs-branch: 'docs-build'
token: ${{ secrets.GITHUB_TOKEN }}
-77
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@@ -1,77 +0,0 @@
name: Verify
on:
workflow_call:
inputs:
staging:
description: 'Whether the release to verify is in the staging repository'
required: false
default: false
type: boolean
version:
description: 'Version to verify'
required: true
type: string
secrets:
google-chat-webhook-url:
description: 'Google Chat Webhook URL'
required: true
repository-password:
description: 'Password for authentication with the repository'
required: false
repository-username:
description: 'Username for authentication with the repository'
required: false
token:
description: 'Token to use for authentication with GitHub'
required: true
jobs:
verify:
name: Verify
runs-on: ubuntu-latest
steps:
- name: Check Out Release Verification Tests
uses: actions/checkout@v6
with:
ref: 'v0.0.2'
repository: spring-projects/spring-framework-release-verification
token: ${{ secrets.token }}
- name: Check Out Send Notification Action
uses: actions/checkout@v6
with:
path: send-notification
sparse-checkout: .github/actions/send-notification
- name: Set Up Java
uses: actions/setup-java@v5
with:
distribution: 'liberica'
java-version: 17
- name: Set Up Gradle
uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0
with:
cache-read-only: false
- name: Configure Gradle Properties
shell: bash
run: |
mkdir -p $HOME/.gradle
echo 'org.gradle.daemon=false' >> $HOME/.gradle/gradle.properties
- name: Run Release Verification Tests
env:
RVT_OSS_REPOSITORY_PASSWORD: ${{ secrets.repository-password }}
RVT_OSS_REPOSITORY_USERNAME: ${{ secrets.repository-username }}
RVT_RELEASE_TYPE: oss
RVT_STAGING: ${{ inputs.staging }}
RVT_VERSION: ${{ inputs.version }}
run: ./gradlew spring-framework-release-verification-tests:test
- name: Upload Build Reports on Failure
if: failure()
uses: actions/upload-artifact@v6
with:
name: build-reports
path: '**/build/reports/'
- name: Send Notification
if: failure()
uses: ./send-notification/.github/actions/send-notification
with:
run-name: ${{ format('{0} | Verification | {1}', github.ref_name, inputs.version) }}
status: ${{ job.status }}
webhook-url: ${{ secrets.google-chat-webhook-url }}
+12 -31
View File
@@ -1,58 +1,39 @@
# Miscellaneous
*.java.hsp
*.sonarj
*.sw*
.DS_Store
.settings
.springBeans
bin
build.sh
integration-repo
ivy-cache
argfile*
activemq-data/
classes/
.cursor/
# Log files
jxl.log
jmx.log
derby.log
# Gradle artifacts
spring-test/test-output/
.gradle
.gradletasknamecache
argfile*
pom.xml
activemq-data/
/build
buildSrc/build
/spring-*/build
/framework-*/build
/integration-tests/build
/src/asciidoc/build
spring-test/test-output/
# Maven artifacts
pom.xml
/target/
target/
# Eclipse artifacts, including WTP generated manifests
bin
.classpath
.project
.settings
.springBeans
spring-*/src/main/java/META-INF/MANIFEST.MF
# IntelliJ IDEA artifacts and output dirs
# IDEA artifacts and output dirs
*.iml
*.ipr
*.iws
.idea/*
!.idea/icon.svg
.idea
out
test-output
atlassian-ide-plugin.xml
# VS Code
.vscode/
cached-antora-playbook.yml
node_modules
/.kotlin/
.gradletasknamecache
-52
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@@ -1,52 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
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Before

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+23
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@@ -0,0 +1,23 @@
Juergen Hoeller <jhoeller@pivotal.io> jhoeller <jhoeller@vmware.com>
<jhoeller@pivotal.io> <jhoeller@vmware.com>
<jhoeller@pivotal.io> <jhoeller@gopivotal.com>
<rstoyanchev@pivotal.io> <rstoyanchev@vmware.com>
<rstoyanchev@pivotal.io> <rstoyanchev@gopivotal.com>
<pwebb@pivotal.io> <pwebb@vmware.com>
<pwebb@pivotal.io> <pwebb@gopivotal.com>
<cbeams@pivotal.io> <cbeams@vmware.com>
<cbeams@pivotal.io> <cbeams@gopivotal.com>
<cbeams@pivotal.io> <cbeams@gmail.com>
<apoutsma@pivotal.io> <apoutsma@vmware.com>
<apoutsma@pivotal.io> <apoutsma@gopivotal.com>
<apoutsma@pivotal.io> <poutsma@mac.com>
<ogierke@pivotal.io> <ogierke@vmware.com>
<ogierke@pivotal.io> <ogierke@gopivotal.com>
<dsyer@pivotal.io> <dsyer@vmware.com>
<dsyer@pivotal.io> <dsyer@gopivotal.com>
<dsyer@pivotal.io> <david_syer@hotmail.com>
<aclement@pivotal.io> <aclement@vmware.com>
<aclement@pivotal.io> <aclement@gopivotal.com>
<aclement@pivotal.io> <andrew.clement@gmail.com>
<dmitry.katsubo@gmail.com> <dmitry.katsubo@gmai.com>
Nick Williams <nicholas@nicholaswilliams.net> Nicholas Williams <nicholas@nicholaswilliams.net>
-3
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@@ -1,3 +0,0 @@
# Enable auto-env through the sdkman_auto_env config
# Add key=value pairs of SDKs to use below
java=25-librca
@@ -0,0 +1,9 @@
#com.springsource.sts.gradle.core.preferences.GradleImportPreferences
#Thu Aug 9 11:34:43 CEST 2012
enableAfterTasks=true
afterTasks=afterEclipseImport;
enableDependendencyManagement=false
enableBeforeTasks=true
projects=;spring-aop;spring-aspects;spring-beans;spring-context;spring-context-support;spring-core;spring-expression;spring-instrument;spring-instrument-tomcat;spring-jdbc;spring-jms;spring-orm;spring-oxm;spring-struts;spring-test;spring-tx;spring-web;spring-webmvc;spring-webmvc-portlet;
enableDSLD=false
beforeTasks=cleanEclipse;eclipse;\:spring-oxm\:compileTestJava;
@@ -0,0 +1,5 @@
#com.springsource.sts.gradle.core.preferences.GradleProjectPreferences
#Tue Feb 21 14:38:31 CET 2012
com.springsource.sts.gradle.classpath.enableSorting=false
com.springsource.sts.gradle.rootprojectloc=
com.springsource.sts.gradle.linkedresources=
@@ -0,0 +1,9 @@
#com.springsource.sts.gradle.core.actions.GradleRefreshPreferences
#Thu Aug 9 11:34:43 CEST 2012
enableAfterTasks=true
afterTasks=afterEclipseImport;
useHierarchicalNames=false
enableBeforeTasks=true
addResourceFilters=false
enableDSLD=false
beforeTasks=cleanEclipse;eclipse;\:spring-oxm\:compileTestJava;
+51
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@@ -0,0 +1,51 @@
= How to contribute to the reference
The Spring Framework reference now uses http://asciidoctor.org/[asciidoctor]. This
document describes how to contribute documentation updates.
== Building with Gradle
You can build the documentation using gradle using the `reference` task. For example, from
the project root execute the following command:
./gradlew reference
the output will be available at `spring-framework/build/reference/htmlsingle/index.html`
== Live editing
One of the nice features about using asciidoctor is the support for live editing.
You will find a Guardfile already present at `spring-framework/src/asciidoc/Guardfile`.
Make sure first to follow the setup instructions within the
http://asciidoctor.org/docs/editing-asciidoc-with-live-preview/[Editing AsciiDoc with Live Preview]
document. Once you have done that, there are additional gems to install to make it work
(assuming that you are using http://livereload.com/[LiveReload]):
gem install guard-rspec guard-livereload
When running `guard start` within the `src/asciidoc/` folder, any changes to the
`src/asciidoc/index.adoc` file will automatically be written at
`src/asciidoc/build/index.html`.
== Troubleshooting
* If you are using LiveReload, make sure to select _Allow access to file URLs_ in the
LiveEdit plugin options of your browser.
* The icon used to enable _LiveReload_ can be a bit confusing. The dot is empty when it is
disabled and full when the plugin is active. Make sure to enable it on the tab
displaying the `index.html` file.
* Ensure you are _not_ running guard start at all as two instances could not run at the
same time. To exit a current session in a clean way, just type e in the shell.
== Documentation notes
Some notes on documentation
* Documentation is wrapped at 90 chars, ensure that you manually wrap your edits
* Tabs are used for indentation, do not use spaces
* Follow the existing style when inserting `source` blocks
* http://asciidoctor.org/docs/asciidoc-syntax-quick-reference/[Asciidoctor Quick Reference]
* http://asciidoctor.org/docs/user-manual/[Asciidoctor Manual]
* http://asciidoctor.org/docs/asciidoc-writers-guide/[Asciidoctor Writers Guide]
+283 -104
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@@ -1,136 +1,315 @@
# Contributing to the Spring Framework
_Have something you'd like to contribute to the framework? We welcome pull
requests but ask that you carefully read this document first to understand how
best to submit them; what kind of changes are likely to be accepted; and what
to expect from the Spring team when evaluating your submission._
First off, thank you for taking the time to contribute! :+1: :tada:
_Please refer back to this document as a checklist before issuing any pull
request; this will save time for everyone!_
### Table of Contents
## Take Your First Steps
* [Code of Conduct](#code-of-conduct)
* [How to Contribute](#how-to-contribute)
* [Ask questions](#ask-questions)
* [Create an Issue](#create-an-issue)
* [Issue Lifecycle](#issue-lifecycle)
* [Submit a Pull Request](#submit-a-pull-request)
* [Build from Source](#build-from-source)
* [Source Code Style](#source-code-style)
* [Reference Docs](#reference-docs)
### Understand the basics
### Code of Conduct
This project is governed by the [Spring Code of Conduct](https://github.com/spring-projects/spring-framework#coc-ov-file).
By participating you are expected to uphold this code.
Please report unacceptable behavior to spring-code-of-conduct@spring.io.
### How to Contribute
#### Ask questions
If you have a question, check Stack Overflow using
[this list of tags](https://stackoverflow.com/questions/tagged/spring+or+spring-mvc+or+spring-aop+or+spring-jdbc+or+spring-transactions+or+spring-annotations+or+spring-jms+or+spring-el+or+spring-test+or+spring+or+spring-remoting+or+spring-orm+or+spring-jmx+or+spring-cache+or+spring-webflux?tab=Newest). Find an existing discussion, or start a new one if necessary.
If you believe there is an issue, search through
[existing issues](https://github.com/spring-projects/spring-framework/issues) trying a
few different ways to find discussions, past or current, that are related to the issue.
Reading those discussions helps you to learn about the issue, and helps us to make a
decision.
Not sure what a pull request is, or how to submit one? Take a look at GitHub's
excellent [help documentation][] first.
#### Create an Issue
### Search JIRA first; create an issue if necessary
Reporting an issue or making a feature request is a great way to contribute. Your feedback
and the conversations that result from it provide a continuous flow of ideas. However,
before creating a ticket, please take the time to [ask and research](#ask-questions) first.
Is there already an issue that addresses your concern? Do a bit of searching
in our [JIRA issue tracker][] to see if you can find something similar. If you
do not find something similar, please create a new JIRA issue before submitting
a pull request unless the change is truly trivial -- for example: typo fixes,
removing compiler warnings, etc.
If you create an issue after a discussion on Stack Overflow, please provide a description
in the issue instead of simply referring to Stack Overflow. The issue tracker is an
important place of record for design discussions and should be self-sufficient.
### Discuss non-trivial contribution ideas with committers
Once you're ready, create an issue on [GitHub](https://github.com/spring-projects/spring-framework/issues).
If you're considering anything more than correcting a typo or fixing a minor
bug, please discuss it on the [spring-framework-contrib][] mailing list before
submitting a pull request. We're happy to provide guidance, but please spend an
hour or two researching the subject on your own, including searching the mailing
list for prior discussions.
Many issues are caused by subtle behavior, typos, and unintended configuration.
Creating a [Minimal Reproducible Example](https://stackoverflow.com/help/minimal-reproducible-example)
(starting with https://start.spring.io for example) of the problem helps the team
quickly triage your issue and get to the core of the problem.
### Sign the Contributor License Agreement
#### Issue Lifecycle
If you have not previously done so, please fill out and submit the
[SpringSource CLA form][]. You'll receive a token when this process is complete.
Keep track of this; you may be asked for it later!
When an issue is first created, it is flagged `waiting-for-triage` waiting for a team
member to triage it. Once the issue has been reviewed, the team may ask for further
information if needed, and based on the findings, the issue is either assigned a target
milestone or is closed with a specific status.
Note that emailing/postal mailing a signed copy is _not_ necessary. Submission
of the web form is all that is required.
When a fix is ready, the issue is closed and may still be re-opened until the fix is
released. After that the issue will typically no longer be reopened. In rare cases if the
issue was not at all fixed, the issue may be re-opened. In most cases however any
follow-up reports will need to be created as new issues with a fresh description.
Once you've completed the web form, simply add the following in a comment on
your pull request:
#### Submit a Pull Request
I have signed and agree to the terms of the SpringSource Individual
Contributor License Agreement.
1. Should you create an issue first? No, just create the pull request and use the
description to provide context and motivation, as you would for an issue. If you want
to start a discussion first or have already created an issue, once a pull request is
created, we will close the issue as superseded by the pull request, and the discussion
about the issue will continue under the pull request.
You do not need to include your token/id. Please add the above statement to all
future pull requests as well, simply so that the Spring Framework team knows
immediately that this process is complete.
1. Always check out the `main` branch and submit pull requests against it
(for target version see [settings.gradle](settings.gradle)).
Backports to prior versions will be considered on a case-by-case basis and reflected as
the fix version in the issue tracker.
## Create a Branch
1. Choose the granularity of your commits consciously and squash commits that represent
multiple edits or corrections of the same logical change. See
[Rewriting History section of Pro Git](https://git-scm.com/book/en/Git-Tools-Rewriting-History)
for an overview of streamlining the commit history.
### Branch from `master`
1. All commits must include a _Signed-off-by_ trailer at the end of each commit message
to indicate that the contributor agrees to the Developer Certificate of Origin.
For additional details, please refer to the blog post
[Hello DCO, Goodbye CLA: Simplifying Contributions to Spring](https://spring.io/blog/2025/01/06/hello-dco-goodbye-cla-simplifying-contributions-to-spring).
Master currently represents work toward Spring Framework 4.0. Please submit
all pull requests there, even bug fixes and minor improvements. Backports to
`3.2.x` will be considered on a case-by-case basis.
1. Format commit messages using 55 characters for the subject line, 72 characters per line
for the description, followed by the issue fixed, for example, `Closes gh-22276`. See the
[Commit Guidelines section of Pro Git](https://git-scm.com/book/en/Distributed-Git-Contributing-to-a-Project#Commit-Guidelines)
for best practices around commit messages, and use `git log` to see some examples.
1. If there is a prior issue, reference the GitHub issue number in the description of the
pull request.
### Use short branch names
If accepted, your contribution may be heavily modified as needed prior to merging.
You will likely retain author attribution for your Git commits granted that the bulk of
your changes remain intact. You may also be asked to rework the submission.
Branches used when submitting pull requests should preferably be named
according to JIRA issues, e.g. 'SPR-1234'. Otherwise, use succinct, lower-case,
dash (-) delimited names, such as 'fix-warnings', 'fix-typo', etc. In
[fork-and-edit][] cases, the GitHub default 'patch-1' is fine as well. This is
important, because branch names show up in the merge commits that result from
accepting pull requests and should be as expressive and concise as possible.
If asked to make corrections, simply push the changes against the same branch, and your
pull request will be updated. In other words, you do not need to create a new pull request
when asked to make changes.
## Use Spring Framework Code Style
#### Participate in Reviews
The complete [Spring Framework Code Style][] reference is available on the wiki, but
here's a quick summary:
Helping to review pull requests is another great way to contribute. Your feedback
can help to shape the implementation of new features. When reviewing pull requests,
however, please refrain from approving or rejecting a PR unless you are a core
committer for the Spring Framework.
### Mind the whitespace
### Build from Source
Please carefully follow the whitespace and formatting conventions already
present in the framework.
See the [Build from Source](https://github.com/spring-projects/spring-framework/wiki/Build-from-Source)
wiki page for instructions on how to check out, build, and import the Spring Framework
source code into your IDE.
1. Tabs, not spaces
1. Unix (LF), not DOS (CRLF) line endings
1. Eliminate all trailing whitespace
1. Wrap Javadoc at 90 characters
1. Aim to wrap code at 90 characters, but favor readability over wrapping
1. Preserve existing formatting; i.e. do not reformat code for its own sake
1. Search the codebase using `git grep` and other tools to discover common
naming conventions, etc.
1. Latin-1 (ISO-8859-1) encoding for Java sources; use `native2ascii` to convert
if necessary
### Source Code Style
The wiki pages
[Code Style](https://github.com/spring-projects/spring-framework/wiki/Code-Style) and
[IntelliJ IDEA Editor Settings](https://github.com/spring-projects/spring-framework/wiki/IntelliJ-IDEA-Editor-Settings)
define the source file coding standards we use along with some IntelliJ editor settings we customize.
### Add Apache license header to all new classes
### Reference Docs
```java
/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
The reference documentation is authored in [Asciidoctor](https://asciidoctor.org/) format
using [Antora](https://docs.antora.org/antora/latest/). The source files for the documentation
reside in the [framework-docs/modules/ROOT](framework-docs/modules/ROOT) directory. For
trivial changes, you may be able to browse, edit source files, and submit directly from GitHub.
package ...;
```
When making changes locally, execute `./gradlew antora` and then browse the results under
`framework-docs/build/site/index.html`.
### Update Apache license header in modified files as necessary
Asciidoctor also supports live editing. For more details see
[AsciiDoc Tooling](https://docs.asciidoctor.org/asciidoctor/latest/tooling/).
Always check the date range in the license header. For example, if you've
modified a file in 2014 whose header still reads:
```java
* Copyright 2002-2011 the original author or authors.
```
Then be sure to update it to 2014 accordingly:
```java
* Copyright 2002-2014 the original author or authors.
```
### Use @since tags for newly-added public API types and methods
For example:
```java
/**
* ...
*
* @author First Last
* @since 4.0
* @see ...
*/
```
## Prepare Your Commit
### Submit JUnit test cases for all behavior changes
Search the codebase to find related tests and add additional `@Test` methods
as appropriate. It is also acceptable to submit test cases on a per JIRA issue
basis, for example:
```java
package org.springframework.beans.factory.support;
/**
* Unit tests for SPR-8954, in which a custom {@link InstantiationAwareBeanPostProcessor}
* forces the predicted type of a FactoryBean, effectively preventing retrieval of the
* bean from calls to #getBeansOfType(FactoryBean.class). The implementation of
* {@link AbstractBeanFactory#isFactoryBean(String, RootBeanDefinition)} now ensures
* that not only the predicted bean type is considered, but also the original bean
* definition's beanClass.
*
* @author Chris Beams
*/
public class Spr8954Tests {
@Test
public void cornerSpr8954() {
// ...
}
}
```
### Squash commits
Use `git rebase --interactive --autosquash`, `git add --patch`, and other tools
to "squash" multiple commits into a single atomic commit. In addition to the man
pages for git, there are many resources online to help you understand how these
tools work. The [Rewriting History section of Pro Git][] provides a good overview.
### Use real name in git commits
Please configure git to use your real first and last name for any commits you
intend to submit as pull requests. For example, this is not acceptable:
Author: Nickname <user@mail.com>
Rather, please include your first and last name, properly capitalized, as
submitted against the SpringSource contributor license agreement:
Author: First Last <user@mail.com>
This helps ensure traceability against the CLA and also goes a long way to
ensuring useful output from tools like `git shortlog` and others.
You can configure this via the account admin area in GitHub (useful for
fork-and-edit cases); _globally_ on your machine with
git config --global user.name "First Last"
git config --global user.email user@mail.com
or _locally_ for the `spring-framework` repository only by omitting the
'--global' flag:
cd spring-framework
git config user.name "First Last"
git config user.email user@mail.com
### Format commit messages
Please read and follow the [Commit Guidelines section of Pro Git][].
Most importantly, please format your commit messages in the following way
(adapted from the commit template in the link above):
Short (50 chars or less) summary of changes
More detailed explanatory text, if necessary. Wrap it to about 72
characters or so. In some contexts, the first line is treated as the
subject of an email and the rest of the text as the body. The blank
line separating the summary from the body is critical (unless you omit
the body entirely); tools like rebase can get confused if you run the
two together.
Further paragraphs come after blank lines.
- Bullet points are okay, too
- Typically a hyphen or asterisk is used for the bullet, preceded by a
single space, with blank lines in between, but conventions vary here
Issue: SPR-1234, SPR-1235
1. Use imperative statements in the subject line, e.g. "Fix broken Javadoc link"
1. Begin the subject line with a capitalized verb, e.g. "Add, Prune, Fix,
Introduce, Avoid, etc."
1. Do not end the subject line with a period
1. Restrict the subject line to 50 characters or less if possible
1. Wrap lines in the body at 72 characters or less
1. Mention associated JIRA issue(s) at the end of the commit comment, prefixed
with "Issue: " as above
1. In the body of the commit message, explain how things worked before this
commit, what has changed, and how things work now
For examples of this style, issue a `git log --author=cbeams` in the
`spring-framework` git repository. For convenience, here are several such commits:
- https://github.com/spring-projects/spring-framework/commit/08e2669b84ec0faa2f7904441fe39ac70b65b078
- https://github.com/spring-projects/spring-framework/commit/1d9d3e6ff79ce9f0eca03b02cd1df705925575da
- https://github.com/spring-projects/spring-framework/commit/8e0b1c3a5f957af3049cfa0438317177e16d6de6
- https://github.com/spring-projects/spring-framework/commit/b787a68f2050df179f7036b209aa741230a02477
## Run the Final Checklist
### Run all tests prior to submission
See the [building from source][] section of the `README` for instructions. Make
sure that all tests pass prior to submitting your pull request.
### Submit your pull request
Subject line:
Follow the same conventions for pull request subject lines as mentioned above
for commit message subject lines.
In the body:
1. Explain your use case. What led you to submit this change? Why were existing
mechanisms in the framework insufficient? Make a case that this is a
general-purpose problem and that yours is a general-purpose solution, etc.
1. Add any additional information and ask questions; start a conversation or
continue one from JIRA
1. Mention the JIRA issue ID
1. Also mention that you have submitted the CLA as described above
Note that for pull requests containing a single commit, GitHub will default the
subject line and body of the pull request to match the subject line and body of
the commit message. This is fine, but please also include the items above in the
body of the request.
### Mention your pull request on the associated JIRA issue
Add a comment to the associated JIRA issue(s) linking to your new pull request.
### Expect discussion and rework
The Spring team takes a very conservative approach to accepting contributions to
the framework. This is to keep code quality and stability as high as possible,
and to keep complexity at a minimum. Your changes, if accepted, may be heavily
modified prior to merging. You will retain "Author:" attribution for your Git
commits granted that the bulk of your changes remain intact. You may be asked to
rework the submission for style (as explained above) and/or substance. Again, we
strongly recommend discussing any serious submissions with the Spring Framework
team _prior_ to engaging in serious development work.
Note that you can always force push (`git push -f`) reworked / rebased commits
against the branch used to submit your pull request. In other words, you do not
need to issue a new pull request when asked to make changes.
[help documentation]: http://help.github.com/send-pull-requests
[JIRA issue tracker]: https://jira.spring.io/browse/SPR
[spring-framework-contrib]: https://groups.google.com/forum/#!forum/spring-framework-contrib
[SpringSource CLA form]: https://support.springsource.com/spring_committer_signup
[fork-and-edit]: https://github.com/blog/844-forking-with-the-edit-button
[Spring Framework Code Style]: https://github.com/spring-projects/spring-framework/wiki/Spring-Framework-Code-Style
[Rewriting History section of Pro Git]: http://git-scm.com/book/en/Git-Tools-Rewriting-History
[Commit Guidelines section of Pro Git]: http://git-scm.com/book/en/Distributed-Git-Contributing-to-a-Project#Commit-Guidelines
[building from source]: https://github.com/spring-projects/spring-framework#building-from-source
-202
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@@ -1,202 +0,0 @@
Apache License
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+82 -22
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@@ -1,38 +1,98 @@
# <img src="framework-docs/src/docs/spring-framework.png" width="80" height="80"> Spring Framework [![Build Status](https://github.com/spring-projects/spring-framework/actions/workflows/build-and-deploy-snapshot.yml/badge.svg?branch=main)](https://github.com/spring-projects/spring-framework/actions/workflows/build-and-deploy-snapshot.yml?query=branch%3Amain) [![Revved up by Develocity](https://img.shields.io/badge/Revved%20up%20by-Develocity-06A0CE?logo=Gradle&labelColor=02303A)](https://ge.spring.io/scans?search.rootProjectNames=spring)
## Spring Framework
The Spring Framework provides a comprehensive programming and configuration
model for modern Java-based enterprise applications -- on any kind of deployment
platform. A key element of Spring is infrastructural support at the application
level: Spring focuses on the "plumbing" of enterprise applications so that teams
can focus on application-level business logic, without unnecessary ties to
specific deployment environments.
This is the home of the Spring Framework: the foundation for all [Spring projects](https://spring.io/projects). Collectively the Spring Framework and the family of Spring projects are often referred to simply as "Spring".
The framework also serves as the foundation for [Spring Integration][], [Spring Batch][]
and the rest of the Spring [family of projects][]. Browse the repositories under
the [Spring organization][] on GitHub for a full list.
Spring provides everything required beyond the Java programming language for creating enterprise applications for a wide range of scenarios and architectures. Please read the [Overview](https://docs.spring.io/spring-framework/reference/overview.html) section of the reference documentation for a more complete introduction.
## Code of Conduct
This project is governed by the [Spring Code of Conduct](https://github.com/spring-projects/spring-framework/?tab=coc-ov-file#contributor-code-of-conduct). By participating, you are expected to uphold this code of conduct. Please report unacceptable behavior to spring-code-of-conduct@spring.io.
## Access to Binaries
For access to artifacts or a distribution zip, see the [Spring Framework Artifacts](https://github.com/spring-projects/spring-framework/wiki/Spring-Framework-Artifacts) wiki page.
## Downloading Artifacts
See [downloading Spring artifacts][] for Maven repository information. Unable to
use Maven or other transitive dependency management tools?
See [building a distribution with dependencies][].
## Documentation
See the current [Javadoc][] and [reference docs][].
The Spring Framework maintains reference documentation ([published](https://docs.spring.io/spring-framework/reference/) and [source](framework-docs/modules/ROOT)), GitHub [wiki pages](https://github.com/spring-projects/spring-framework/wiki), and an
[API reference](https://docs.spring.io/spring-framework/docs/current/javadoc-api/). There are also [guides and tutorials](https://spring.io/guides) across Spring projects.
## Getting Support
Check out the [spring][spring tags] tags on [Stack Overflow][]. [Commercial support][]
is available too.
## Micro-Benchmarks
## Issue Tracking
Report issues via the [Spring Framework JIRA][]. Understand our issue management
process by reading about [the lifecycle of an issue][]. Think you've found a
bug? Please consider submitting a reproduction project via the
[spring-framework-issues][] GitHub repository. The [readme][] there provides
simple step-by-step instructions.
See the [Micro-Benchmarks](https://github.com/spring-projects/spring-framework/wiki/Micro-Benchmarks) wiki page.
## Building from Source
The Spring Framework uses a [Gradle][]-based build system. In the instructions
below, [`./gradlew`][] is invoked from the root of the source tree and serves as
a cross-platform, self-contained bootstrap mechanism for the build.
## Build from Source
### Prerequisites
See the [Build from Source](https://github.com/spring-projects/spring-framework/wiki/Build-from-Source) wiki page and the [CONTRIBUTING.md](CONTRIBUTING.md) file.
[Git][] and [JDK 8 update 20 or later][JDK8 build]
## Continuous Integration Builds
Be sure that your `JAVA_HOME` environment variable points to the `jdk1.8.0` folder
extracted from the JDK download.
CI builds are defined with [GitHub Actions workflows](.github/workflows).
### Check out sources
`git clone git@github.com:spring-projects/spring-framework.git`
## Stay in Touch
### Import sources into your IDE
Run `./import-into-eclipse.sh` or read `import-into-idea.md` as appropriate.
> **Note:** Per the prerequisites above, ensure that you have JDK 8 configured properly in your IDE.
Follow [@SpringCentral](https://twitter.com/springcentral), [@SpringFramework](https://twitter.com/springframework), and its [team members](https://twitter.com/springframework/lists/team/members) on 𝕏. In-depth articles can be found at [The Spring Blog](https://spring.io/blog/), and releases are announced via our [releases feed](https://spring.io/blog/category/releases).
### Install all spring-\* jars into your local Maven cache
`./gradlew install`
### Compile and test; build all jars, distribution zips, and docs
`./gradlew build`
... and discover more commands with `./gradlew tasks`. See also the [Gradle
build and release FAQ][].
## Contributing
[Pull requests][] are welcome; see the [contributor guidelines][] for details.
## Staying in Touch
Follow [@SpringCentral][] as well as [@SpringFramework][] and its [team members][]
on Twitter. In-depth articles can be found at [The Spring Blog][], and releases
are announced via our [news feed][].
## License
The Spring Framework is released under version 2.0 of the [Apache License][].
The Spring Framework is released under version 2.0 of the [Apache License](https://www.apache.org/licenses/LICENSE-2.0).
[Spring Integration]: https://github.com/spring-projects/spring-integration
[Spring Batch]: https://github.com/spring-projects/spring-batch
[family of projects]: http://spring.io/projects
[Spring organization]: https://github.com/spring-projects
[downloading Spring artifacts]: https://github.com/spring-projects/spring-framework/wiki/Downloading-Spring-artifacts
[building a distribution with dependencies]: https://github.com/spring-projects/spring-framework/wiki/Building-a-distribution-with-dependencies
[Javadoc]: http://docs.spring.io/spring-framework/docs/current/javadoc-api/
[reference docs]: http://docs.spring.io/spring-framework/docs/current/spring-framework-reference/
[spring tags]: http://spring.io/questions
[Stack Overflow]: http://stackoverflow.com/faq
[Commercial support]: http://spring.io/services
[Spring Framework JIRA]: https://jira.spring.io/browse/SPR
[the lifecycle of an issue]: https://github.com/spring-projects/spring-framework/wiki/The-Lifecycle-of-an-Issue
[spring-framework-issues]: https://github.com/spring-projects/spring-framework-issues#readme
[readme]: https://github.com/spring-projects/spring-framework-issues#readme
[Gradle]: http://gradle.org
[`./gradlew`]: http://vimeo.com/34436402
[Git]: http://help.github.com/set-up-git-redirect
[JDK8 build]: http://www.oracle.com/technetwork/java/javase/downloads
[Gradle build and release FAQ]: https://github.com/spring-projects/spring-framework/wiki/Gradle-build-and-release-FAQ
[Pull requests]: http://help.github.com/send-pull-requests
[contributor guidelines]: https://github.com/spring-projects/spring-framework/blob/master/CONTRIBUTING.md
[@SpringFramework]: https://twitter.com/springframework
[@SpringCentral]: https://twitter.com/springcentral
[team members]: https://twitter.com/springframework/lists/team/members
[The Spring Blog]: http://spring.io/blog/
[news feed]: http://spring.io/blog/category/news
[Apache License]: http://www.apache.org/licenses/LICENSE-2.0
-10
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# Reporting a Vulnerability
Please, [open a draft security advisory](https://github.com/spring-projects/security-advisories/security/advisories/new) if you need to disclose and discuss a security issue in private with the Spring Framework team. Note that we only accept reports against [supported versions](https://spring.io/projects/spring-framework#support).
For more details, check out our [security policy](https://spring.io/security-policy).
## JAR signing
Spring Framework JARs released on Maven Central are signed.
You'll find more information about the key here: https://spring.io/GPG-KEY-spring.txt
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# Spring Framework Build
This folder contains the custom plugins and conventions for the Spring Framework build.
They are declared in the `build.gradle` file in this folder.
## Build Conventions
The `org.springframework.build.conventions` plugin applies all conventions to the Framework build:
* Configuring the Java compiler, see `JavaConventions`
* Configuring the Kotlin compiler, see `KotlinConventions`
* Configuring testing in the build with `TestConventions`
* Configuring the ArchUnit rules for the project, see `org.springframework.build.architecture.ArchitectureRules`
This plugin also provides a DSL extension to optionally enable Java preview features for
compiling and testing sources in a module. This can be applied with the following in a
module build file:
```groovy
springFramework {
enableJavaPreviewFeatures = true
}
```
## Build Plugins
### Optional dependencies
The `org.springframework.build.optional-dependencies` plugin creates a new `optional`
Gradle configuration - it adds the dependencies to the project's compile and runtime classpath
but doesn't affect the classpath of dependent projects.
This plugin does not provide a `provided` configuration, as the native `compileOnly` and `testCompileOnly`
configurations are preferred.
### MultiRelease Jar
The `org.springframework.build.multiReleaseJar` plugin configures the project with MultiRelease JAR support.
It creates a new SourceSet and dedicated tasks for each Java variant considered.
This can be configured with the DSL, by setting a list of Java variants to configure:
```groovy
plugins {
id 'org.springframework.build.multiReleaseJar'
}
multiRelease {
releaseVersions 21, 24
}
```
Note, Java classes will be compiled with the toolchain pre-configured by the project, assuming that its
Java language version is equal or higher than all variants we consider. Each compilation task will only
set the "-release" compilation option accordingly to produce the expected bytecode version.
### RuntimeHints Java Agent
The `spring-core-test` project module contributes the `RuntimeHintsAgent` Java agent.
The `RuntimeHintsAgentPlugin` Gradle plugin creates a dedicated `"runtimeHintsTest"` test task for each project.
This task will detect and execute [tests tagged](https://junit.org/junit5/docs/current/user-guide/#running-tests-build-gradle)
with the `"RuntimeHintsTests"` [JUnit tag](https://junit.org/junit5/docs/current/user-guide/#running-tests-tags).
In the Spring Framework test suite, those are usually annotated with the `@EnabledIfRuntimeHintsAgent` annotation.
By default, the agent will instrument all classes located in the `"org.springframework"` package, as they are loaded.
The `RuntimeHintsAgentExtension` allows to customize this using a DSL:
```groovy
// this applies the `RuntimeHintsAgentPlugin` to the project
plugins {
id 'org.springframework.build.runtimehints-agent'
}
// You can configure the agent to include and exclude packages from the instrumentation process.
runtimeHintsAgent {
includedPackages = ["org.springframework", "io.spring"]
excludedPackages = ["org.example"]
}
dependencies {
// to use the test infrastructure, the project should also depend on the "spring-core-test" module
testImplementation(project(":spring-core-test"))
}
```
With this configuration, `./gradlew runtimeHintsTest` will run all tests instrumented by this java agent.
The global `./gradlew check` task depends on `runtimeHintsTest`.
NOTE: the "spring-core-test" module doesn't shade "spring-core" by design, so the agent should never instrument
code that doesn't have "spring-core" on its classpath.
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plugins {
id 'java-gradle-plugin'
id 'checkstyle'
}
repositories {
mavenCentral()
gradlePluginPortal()
}
ext {
def propertiesFile = new File(new File("$projectDir").parentFile, "gradle.properties")
propertiesFile.withInputStream {
def properties = new Properties()
properties.load(it)
set("kotlinVersion", properties["kotlinVersion"])
}
}
dependencies {
checkstyle "io.spring.javaformat:spring-javaformat-checkstyle:${javaFormatVersion}"
implementation "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlinVersion}"
implementation "org.jetbrains.dokka:dokka-gradle-plugin:2.2.0"
implementation "com.tngtech.archunit:archunit:1.4.1"
implementation "org.gradle:test-retry-gradle-plugin:1.6.2"
implementation "io.spring.javaformat:spring-javaformat-gradle-plugin:${javaFormatVersion}"
implementation "io.spring.nohttp:nohttp-gradle:0.0.11"
testImplementation("org.assertj:assertj-core:${assertjVersion}")
testImplementation(platform("org.junit:junit-bom:${junitVersion}"))
testImplementation("org.junit.jupiter:junit-jupiter")
testRuntimeOnly("org.junit.platform:junit-platform-launcher")
}
gradlePlugin {
plugins {
architecturePlugin {
id = "org.springframework.architecture"
implementationClass = "org.springframework.build.architecture.ArchitecturePlugin"
}
conventionsPlugin {
id = "org.springframework.build.conventions"
implementationClass = "org.springframework.build.ConventionsPlugin"
}
localDevPlugin {
id = "org.springframework.build.localdev"
implementationClass = "org.springframework.build.dev.LocalDevelopmentPlugin"
}
multiReleasePlugin {
id = "org.springframework.build.multiReleaseJar"
implementationClass = "org.springframework.build.multirelease.MultiReleaseJarPlugin"
}
optionalDependenciesPlugin {
id = "org.springframework.build.optional-dependencies"
implementationClass = "org.springframework.build.optional.OptionalDependenciesPlugin"
}
runtimeHintsAgentPlugin {
id = "org.springframework.build.runtimehints-agent"
implementationClass = "org.springframework.build.hint.RuntimeHintsAgentPlugin"
}
}
}
test {
useJUnitPlatform()
}
jar.dependsOn check
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<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN" "https://checkstyle.org/dtds/configuration_1_3.dtd">
<module name="Checker">
<!-- Root Checks -->
<module name="io.spring.javaformat.checkstyle.check.SpringHeaderCheck">
<property name="fileExtensions" value="java"/>
<property name="headerType" value="apache2"/>
<property name="headerCopyrightPattern" value="20\d\d-present"/>
<property name="packageInfoHeaderType" value="none"/>
</module>
<module name="com.puppycrawl.tools.checkstyle.checks.NewlineAtEndOfFileCheck"/>
<!-- TreeWalker Checks -->
<module name="TreeWalker">
<!-- Imports -->
<module name="AvoidStarImport"/>
<module name="UnusedImports"/>
<module name="RedundantImport"/>
<!-- Modifiers -->
<module name="com.puppycrawl.tools.checkstyle.checks.modifier.ModifierOrderCheck"/>
</module>
</module>
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org.gradle.caching=true
assertjVersion=3.27.3
javaFormatVersion=0.0.43
junitVersion=5.12.2
@@ -0,0 +1,158 @@
/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.gradle
import org.gradle.api.DefaultTask
import org.gradle.api.GradleException
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.Task
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.TaskAction
/**
* Gradle plugin that detects identically named, non-empty packages split across multiple
* subprojects, e.g. "org.springframework.context.annotation" existing in both spring-core
* and spring-aspects. Adds a 'detectSplitPackages' task to the current project's task
* collection. If the project already contains a 'check' task (i.e. is a typical Gradle
* project with the "java" plugin applied), the 'check' task will be updated to depend on
* the execution of 'detectSplitPackages'.
*
* By default, all subprojects will be scanned. Use the 'projectsToScan' task property to
* modify this value. Example usage:
*
* apply plugin: 'detect-split-packages // typically applied to root project
*
* detectSplitPackages {
* packagesToScan -= project(":spring-xyz") // scan every project but spring-xyz
* }
*
* @author Rob Winch
* @author Glyn Normington
* @author Chris Beams
*/
public class DetectSplitPackagesPlugin implements Plugin<Project> {
public void apply(Project project) {
def tasks = project.tasks
Task detectSplitPackages = tasks.create("detectSplitPackages", DetectSplitPackagesTask.class)
if (tasks.asMap.containsKey("check")) {
tasks.getByName("check").dependsOn detectSplitPackages
}
}
}
public class DetectSplitPackagesTask extends DefaultTask {
private static final String JAVA_FILE_SUFFIX = ".java"
private static final String PACKAGE_SEPARATOR = "."
private static final String HIDDEN_DIRECTORY_PREFIX = "."
@Input
Set<Project> projectsToScan = project.subprojects
public DetectSplitPackagesTask() {
this.group = "Verification"
this.description = "Detects packages split across two or more subprojects."
}
@TaskAction
public void detectSplitPackages() {
def splitPackages = doDetectSplitPackages()
if (!splitPackages.isEmpty()) {
def message = "The following split package(s) have been detected:\n"
splitPackages.each { pkg, mod ->
message += " - ${pkg} (split across ${mod[0].name} and ${mod[1].name})\n"
}
throw new GradleException(message)
}
}
private Map<String, List<Project>> doDetectSplitPackages() {
def splitPackages = [:]
def mergedProjects = findMergedProjects()
def packagesByProject = mapPackagesByProject()
def projects = packagesByProject.keySet().toArray()
def nProjects = projects.length
for (int i = 0; i < nProjects - 1; i++) {
for (int j = i + 1; j < nProjects - 1; j++) {
def prj_i = projects[i]
def prj_j = projects[j]
def pkgs_i = new HashSet(packagesByProject.get(prj_i))
def pkgs_j = packagesByProject.get(prj_j)
pkgs_i.retainAll(pkgs_j)
if (!pkgs_i.isEmpty()
&& mergedProjects.get(prj_i) != prj_j
&& mergedProjects.get(prj_j) != prj_i) {
pkgs_i.each { pkg ->
def readablePkg = pkg.substring(1).replaceAll(File.separator, PACKAGE_SEPARATOR)
splitPackages[readablePkg] = [prj_i, prj_j]
}
}
}
}
return splitPackages;
}
private Map<Project, Set<String>> mapPackagesByProject() {
def packagesByProject = [:]
this.projectsToScan.each { Project p ->
def packages = new HashSet<String>()
p.sourceSets.main.java.srcDirs.each { File dir ->
findPackages(packages, dir, "")
}
if (!packages.isEmpty()) {
packagesByProject.put(p, packages)
}
}
return packagesByProject;
}
private Map<Project, Project> findMergedProjects() {
def mergedProjects = [:]
this.projectsToScan.findAll { p ->
p.plugins.findPlugin(MergePlugin)
}.findAll { p ->
p.merge.into
}.each { p ->
mergedProjects.put(p, p.merge.into)
}
return mergedProjects
}
private static void findPackages(Set<String> packages, File dir, String packagePath) {
def scanDir = new File(dir, packagePath)
def File[] javaFiles = scanDir.listFiles({ file ->
!file.isDirectory() && file.name.endsWith(JAVA_FILE_SUFFIX)
} as FileFilter)
if (javaFiles != null && javaFiles.length != 0) {
packages.add(packagePath)
}
scanDir.listFiles({ File file ->
file.isDirectory() && !file.name.startsWith(HIDDEN_DIRECTORY_PREFIX)
} as FileFilter).each { File subDir ->
findPackages(packages, dir, packagePath + File.separator + subDir.name)
}
}
}
@@ -0,0 +1,158 @@
/*
* Copyright 2002-2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.gradle
import org.gradle.api.*
import org.gradle.api.artifacts.Configuration
import org.gradle.api.artifacts.ProjectDependency;
import org.gradle.api.artifacts.maven.Conf2ScopeMapping
import org.gradle.api.plugins.MavenPlugin
import org.gradle.plugins.ide.eclipse.EclipsePlugin
import org.gradle.plugins.ide.idea.IdeaPlugin
import org.gradle.api.invocation.*
/**
* Gradle plugin that allows projects to merged together. Primarily developed to
* allow Spring to support multiple incompatible versions of third-party
* dependencies (for example Hibernate v3 and v4).
* <p>
* The 'merge' extension should be used to define how projects are merged, for example:
* <pre class="code">
* configure(subprojects) {
* apply plugin: MergePlugin
* }
*
* project("myproject") {
* }
*
* project("myproject-extra") {
* merge.into = project("myproject")
* }
* </pre>
* <p>
* This plugin adds two new configurations:
* <ul>
* <li>merging - Contains the projects being merged into this project<li>
* <li>runtimeMerge - Contains all dependencies that are merge projects. These are used
* to allow an IDE to reference merge projects.</li>
* <ul>
*
* @author Rob Winch
* @author Phillip Webb
*/
class MergePlugin implements Plugin<Project> {
private static boolean attachedProjectsEvaluated;
public void apply(Project project) {
project.plugins.apply(MavenPlugin)
project.plugins.apply(EclipsePlugin)
project.plugins.apply(IdeaPlugin)
MergeModel model = project.extensions.create("merge", MergeModel)
project.configurations.create("merging")
Configuration runtimeMerge = project.configurations.create("runtimeMerge")
// Ensure the IDE can reference merged projects
project.eclipse.classpath.plusConfigurations += [ runtimeMerge ]
project.idea.module.scopes.PROVIDED.plus += [ runtimeMerge ]
// Hook to perform the actual merge logic
project.afterEvaluate{
if (it.merge.into != null) {
setup(it)
}
}
// Hook to build runtimeMerge dependencies
if (!attachedProjectsEvaluated) {
project.gradle.projectsEvaluated{
postProcessProjects(it)
}
attachedProjectsEvaluated = true;
}
}
private void setup(Project project) {
project.merge.into.dependencies.add("merging", project)
project.dependencies.add("provided", project.merge.into.sourceSets.main.output)
project.dependencies.add("runtimeMerge", project.merge.into)
setupTaskDependencies(project)
setupMaven(project)
}
private void setupTaskDependencies(Project project) {
// invoking a task will invoke the task with the same name on 'into' project
["sourcesJar", "jar", "javadocJar", "javadoc", "install", "artifactoryPublish"].each {
def task = project.tasks.findByPath(it)
if (task) {
task.enabled = false
task.dependsOn(project.merge.into.tasks.findByPath(it))
}
}
// update 'into' project artifacts to contain the source artifact contents
project.merge.into.sourcesJar.from(project.sourcesJar.source)
project.merge.into.jar.from(project.sourceSets.main.output)
project.merge.into.javadoc {
source += project.javadoc.source
classpath += project.javadoc.classpath
}
}
private void setupMaven(Project project) {
project.configurations.each { configuration ->
Conf2ScopeMapping mapping = project.conf2ScopeMappings.getMapping([configuration])
if (mapping.scope) {
Configuration intoConfiguration = project.merge.into.configurations.create(
project.name + "-" + configuration.name)
configuration.excludeRules.each {
configuration.exclude([
(ExcludeRule.GROUP_KEY) : it.group,
(ExcludeRule.MODULE_KEY) : it.module])
}
configuration.dependencies.each {
def intoCompile = project.merge.into.configurations.getByName("compile")
// Protect against changing a compile scope dependency (SPR-10218)
if (!intoCompile.dependencies.contains(it)) {
intoConfiguration.dependencies.add(it)
}
}
def index = project.parent.childProjects.findIndexOf {p -> p.getValue() == project}
project.merge.into.install.repositories.mavenInstaller.pom.scopeMappings.addMapping(
mapping.priority + 100 + index, intoConfiguration, mapping.scope)
}
}
}
private postProcessProjects(Gradle gradle) {
gradle.allprojects(new Action<Project>() {
public void execute(Project project) {
project.configurations.getByName("runtime").allDependencies.withType(ProjectDependency).each{
Configuration dependsOnMergedFrom = it.dependencyProject.configurations.getByName("merging");
dependsOnMergedFrom.dependencies.each{ dep ->
project.dependencies.add("runtimeMerge", dep.dependencyProject)
}
}
}
});
}
}
class MergeModel {
Project into;
}
@@ -0,0 +1,55 @@
/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.gradle
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.ProjectDependency;
/**
* Gradle plugin that automatically updates testCompile dependencies to include
* the test source sets of project dependencies.
*
* @author Phillip Webb
*/
class TestSourceSetDependenciesPlugin implements Plugin<Project> {
@Override
public void apply(Project project) {
project.afterEvaluate {
Set<ProjectDependency> projectDependencies = new LinkedHashSet<ProjectDependency>()
collectProjectDependencies(projectDependencies, project)
projectDependencies.each {
project.dependencies.add("testCompile", it.dependencyProject.sourceSets.test.output)
}
}
}
private void collectProjectDependencies(Set<ProjectDependency> projectDependencies, Project project) {
for (def configurationName in ["compile", "optional", "provided", "testCompile"]) {
Configuration configuration = project.getConfigurations().findByName(configurationName)
if (configuration) {
configuration.dependencies.findAll { it instanceof ProjectDependency }.each {
projectDependencies.add(it)
collectProjectDependencies(projectDependencies, it.dependencyProject)
}
}
}
}
}
@@ -1,79 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import java.io.File;
import java.nio.file.Path;
import java.util.List;
import io.spring.javaformat.gradle.SpringJavaFormatPlugin;
import io.spring.nohttp.gradle.NoHttpExtension;
import io.spring.nohttp.gradle.NoHttpPlugin;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.artifacts.DependencySet;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.plugins.quality.Checkstyle;
import org.gradle.api.plugins.quality.CheckstyleExtension;
import org.gradle.api.plugins.quality.CheckstylePlugin;
/**
* {@link Plugin} that applies conventions for checkstyle.
*
* @author Brian Clozel
*/
public class CheckstyleConventions {
/**
* Applies the Spring Java Format and Checkstyle plugins with the project conventions.
* @param project the current project
*/
public void apply(Project project) {
project.getPlugins().withType(JavaBasePlugin.class, (java) -> {
if (project.getRootProject() == project) {
configureNoHttpPlugin(project);
}
project.getPlugins().apply(CheckstylePlugin.class);
project.getTasks().withType(Checkstyle.class).forEach(checkstyle -> checkstyle.getMaxHeapSize().set("1g"));
CheckstyleExtension checkstyle = project.getExtensions().getByType(CheckstyleExtension.class);
checkstyle.setToolVersion("13.4.2");
checkstyle.getConfigDirectory().set(project.getRootProject().file("src/checkstyle"));
String version = SpringJavaFormatPlugin.class.getPackage().getImplementationVersion();
DependencySet checkstyleDependencies = project.getConfigurations().getByName("checkstyle").getDependencies();
checkstyleDependencies.add(
project.getDependencies().create("io.spring.javaformat:spring-javaformat-checkstyle:" + version));
});
}
private static void configureNoHttpPlugin(Project project) {
project.getPlugins().apply(NoHttpPlugin.class);
NoHttpExtension noHttp = project.getExtensions().getByType(NoHttpExtension.class);
noHttp.setAllowlistFile(project.file("src/nohttp/allowlist.lines"));
noHttp.getSource().exclude("**/test-output/**", "**/.settings/**", "**/.classpath",
"**/.project", "**/.gradle/**", "**/node_modules/**", "**/spring-jcl/**", "buildSrc/build/**");
List<String> buildFolders = List.of("bin", "build", "out");
project.allprojects(subproject -> {
Path rootPath = project.getRootDir().toPath();
Path projectPath = rootPath.relativize(subproject.getProjectDir().toPath());
for (String buildFolder : buildFolders) {
Path innerBuildDir = projectPath.resolve(buildFolder);
noHttp.getSource().exclude(innerBuildDir + File.separator + "**");
}
});
}
}
@@ -1,50 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.plugins.JavaBasePlugin;
import org.jetbrains.kotlin.gradle.plugin.KotlinBasePlugin;
import org.springframework.build.architecture.ArchitecturePlugin;
/**
* Plugin to apply conventions to projects that are part of Spring Framework's build.
* Conventions are applied in response to various plugins being applied.
*
* <p>When the {@link JavaBasePlugin} is applied, the conventions in {@link CheckstyleConventions},
* {@link TestConventions} and {@link JavaConventions} are applied.
* The {@link ArchitecturePlugin} plugin is also applied.
* When the {@link KotlinBasePlugin} is applied, the conventions in {@link KotlinConventions}
* are applied.
*
* @author Brian Clozel
*/
public class ConventionsPlugin implements Plugin<Project> {
@Override
public void apply(Project project) {
project.getExtensions().create("springFramework", SpringFrameworkExtension.class);
new ArchitecturePlugin().apply(project);
new CheckstyleConventions().apply(project);
new JavaConventions().apply(project);
new KotlinConventions().apply(project);
new TestConventions().apply(project);
}
}
@@ -1,135 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import java.util.ArrayList;
import java.util.List;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.compile.JavaCompile;
import org.gradle.jvm.toolchain.JavaLanguageVersion;
/**
* {@link Plugin} that applies conventions for compiling Java sources in Spring Framework.
*
* @author Brian Clozel
* @author Sam Brannen
* @author Sebastien Deleuze
*/
public class JavaConventions {
private static final List<String> COMPILER_ARGS;
private static final List<String> TEST_COMPILER_ARGS;
/**
* The Java version we should use as the JVM baseline for building the project.
* <p>NOTE: If you update this value, you should also update the value used in
* the {@code javadoc} task in {@code framework-api.gradle}.
*/
private static final JavaLanguageVersion DEFAULT_LANGUAGE_VERSION = JavaLanguageVersion.of(25);
/**
* The Java version we should use as the baseline for the compiled bytecode
* (the "-release" compiler argument).
*/
private static final JavaLanguageVersion DEFAULT_RELEASE_VERSION = JavaLanguageVersion.of(17);
static {
List<String> commonCompilerArgs = List.of(
"-Xlint:serial", "-Xlint:cast", "-Xlint:classfile", "-Xlint:dep-ann",
"-Xlint:divzero", "-Xlint:empty", "-Xlint:finally", "-Xlint:overrides",
"-Xlint:path", "-Xlint:processing", "-Xlint:static", "-Xlint:try", "-Xlint:-options",
"-parameters"
);
COMPILER_ARGS = new ArrayList<>();
COMPILER_ARGS.addAll(commonCompilerArgs);
COMPILER_ARGS.addAll(List.of(
"-Xlint:varargs", "-Xlint:fallthrough", "-Xlint:rawtypes", "-Xlint:deprecation",
"-Xlint:unchecked", "-Werror"
));
TEST_COMPILER_ARGS = new ArrayList<>();
TEST_COMPILER_ARGS.addAll(commonCompilerArgs);
TEST_COMPILER_ARGS.addAll(List.of("-Xlint:-varargs", "-Xlint:-fallthrough", "-Xlint:-rawtypes",
"-Xlint:-deprecation", "-Xlint:-unchecked"));
}
public void apply(Project project) {
project.getPlugins().withType(JavaBasePlugin.class, javaPlugin -> {
applyToolchainConventions(project);
applyJavaCompileConventions(project);
});
}
/**
* Configure the Toolchain support for the project.
* @param project the current project
*/
private static void applyToolchainConventions(Project project) {
project.getExtensions().getByType(JavaPluginExtension.class).toolchain(toolchain -> {
toolchain.getLanguageVersion().set(DEFAULT_LANGUAGE_VERSION);
});
}
/**
* Apply the common Java compiler options for main sources, test fixture sources, and
* test sources.
* @param project the current project
*/
private void applyJavaCompileConventions(Project project) {
project.afterEvaluate(p -> {
p.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().startsWith(JavaPlugin.COMPILE_JAVA_TASK_NAME))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
setJavaRelease(compileTask);
});
p.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().startsWith(JavaPlugin.COMPILE_TEST_JAVA_TASK_NAME)
|| compileTask.getName().equals("compileTestFixturesJava"))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(TEST_COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
setJavaRelease(compileTask);
});
});
}
/**
* We should pick the {@link #DEFAULT_RELEASE_VERSION} for all compiled classes,
* unless the current task is compiling multi-release JAR code with a higher version.
*/
private void setJavaRelease(JavaCompile task) {
int defaultVersion = DEFAULT_RELEASE_VERSION.asInt();
int releaseVersion = defaultVersion;
int compilerVersion = task.getJavaCompiler().get().getMetadata().getLanguageVersion().asInt();
for (int version = defaultVersion ; version <= compilerVersion ; version++) {
if (task.getName().contains("Java" + version)) {
releaseVersion = version;
break;
}
}
task.getOptions().getRelease().set(releaseVersion);
}
}
@@ -1,93 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import org.gradle.api.Project;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetContainer;
import org.jetbrains.dokka.gradle.DokkaExtension;
import org.jetbrains.dokka.gradle.DokkaPlugin;
import org.jetbrains.kotlin.gradle.dsl.JvmTarget;
import org.jetbrains.kotlin.gradle.dsl.KotlinVersion;
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile;
/**
* @author Brian Clozel
* @author Sebastien Deleuze
*/
public class KotlinConventions {
void apply(Project project) {
project.getPlugins().withId("org.jetbrains.kotlin.jvm", plugin -> {
project.getTasks().withType(KotlinCompile.class, this::configure);
if (project.getLayout().getProjectDirectory().dir("src/main/kotlin").getAsFile().exists()) {
project.getPlugins().apply(DokkaPlugin.class);
project.getExtensions().configure(DokkaExtension.class, dokka -> configure(project, dokka));
project.project(":framework-api").getDependencies().add("dokka", project);
}
});
}
private void configure(KotlinCompile compile) {
compile.compilerOptions(options -> {
options.getApiVersion().set(KotlinVersion.KOTLIN_2_2);
options.getLanguageVersion().set(KotlinVersion.KOTLIN_2_2);
options.getJvmTarget().set(JvmTarget.JVM_17);
options.getJavaParameters().set(true);
options.getAllWarningsAsErrors().set(true);
options.getFreeCompilerArgs().addAll(
"-Xsuppress-version-warnings",
"-Xjsr305=strict", // For dependencies using JSR 305
"-opt-in=kotlin.RequiresOptIn",
"-Xjdk-release=17", // Needed due to https://youtrack.jetbrains.com/issue/KT-49746
"-Xannotation-default-target=param-property" // Upcoming default, see https://youtrack.jetbrains.com/issue/KT-73255
);
});
}
private void configure(Project project, DokkaExtension dokka) {
dokka.getDokkaSourceSets().forEach(sourceSet -> {
sourceSet.getSourceRoots().setFrom(project.file("src/main/kotlin"));
sourceSet.getClasspath()
.from(project.getExtensions()
.getByType(SourceSetContainer.class)
.getByName(SourceSet.MAIN_SOURCE_SET_NAME)
.getOutput());
var externalDocumentationLinks = sourceSet.getExternalDocumentationLinks();
var springVersion = project.getVersion();
externalDocumentationLinks.register("spring-framework", spec -> {
spec.url("https://docs.spring.io/spring-framework/docs/" + springVersion + "/javadoc-api/");
spec.packageListUrl("https://docs.spring.io/spring-framework/docs/" + springVersion + "/javadoc-api/element-list");
});
externalDocumentationLinks.register("reactor-core", spec ->
spec.url("https://projectreactor.io/docs/core/release/api/"));
externalDocumentationLinks.register("reactive-streams", spec ->
spec.url("https://www.reactive-streams.org/reactive-streams-1.0.3-javadoc/"));
externalDocumentationLinks.register("kotlinx-coroutines", spec ->
spec.url("https://kotlinlang.org/api/kotlinx.coroutines/"));
externalDocumentationLinks.register("hamcrest", spec ->
spec.url("https://javadoc.io/doc/org.hamcrest/hamcrest/2.1/"));
externalDocumentationLinks.register("jakarta-servlet", spec -> {
spec.url("https://javadoc.io/doc/jakarta.servlet/jakarta.servlet-api/latest/");
spec.packageListUrl("https://javadoc.io/doc/jakarta.servlet/jakarta.servlet-api/latest/element-list");
});
externalDocumentationLinks.register("rsocket-core", spec ->
spec.url("https://javadoc.io/static/io.rsocket/rsocket-core/1.1.1/"));
});
}
}
@@ -1,53 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import java.util.Collections;
import java.util.List;
import org.gradle.api.Project;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.compile.JavaCompile;
import org.gradle.api.tasks.testing.Test;
import org.gradle.process.CommandLineArgumentProvider;
public class SpringFrameworkExtension {
private final Property<Boolean> enableJavaPreviewFeatures;
public SpringFrameworkExtension(Project project) {
this.enableJavaPreviewFeatures = project.getObjects().property(Boolean.class);
project.getTasks().withType(JavaCompile.class).configureEach(javaCompile ->
javaCompile.getOptions().getCompilerArgumentProviders().add(asArgumentProvider()));
project.getTasks().withType(Test.class).configureEach(test ->
test.getJvmArgumentProviders().add(asArgumentProvider()));
}
public Property<Boolean> getEnableJavaPreviewFeatures() {
return this.enableJavaPreviewFeatures;
}
private CommandLineArgumentProvider asArgumentProvider() {
return () -> {
if (getEnableJavaPreviewFeatures().getOrElse(false)) {
return List.of("--enable-preview");
}
return Collections.emptyList();
};
}
}
@@ -1,109 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build;
import org.gradle.api.Project;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.tasks.testing.Test;
import org.gradle.api.tasks.testing.TestFrameworkOptions;
import org.gradle.api.tasks.testing.junitplatform.JUnitPlatformOptions;
import org.gradle.testretry.TestRetryPlugin;
import org.gradle.testretry.TestRetryTaskExtension;
import java.util.Map;
/**
* Conventions that are applied in the presence of the {@link JavaBasePlugin}. When the
* plugin is applied:
* <ul>
* <li>The {@link TestRetryPlugin Test Retry} plugin is applied so that flaky tests
* are retried 3 times when running on the CI server.
* <li>Common test properties are configured
* <li>The ByteBuddy Java agent is configured on test tasks.
* </ul>
*
* @author Brian Clozel
* @author Andy Wilkinson
* @author Sam Brannen
*/
class TestConventions {
void apply(Project project) {
project.getPlugins().withType(JavaBasePlugin.class, (java) -> configureTestConventions(project));
}
private void configureTestConventions(Project project) {
configureByteBuddyAgent(project);
project.getTasks().withType(Test.class,
test -> {
configureTests(project, test);
configureTestRetryPlugin(project, test);
});
}
private void configureTests(Project project, Test test) {
TestFrameworkOptions existingOptions = test.getOptions();
test.useJUnitPlatform(options -> {
if (existingOptions instanceof JUnitPlatformOptions junitPlatformOptions) {
options.copyFrom(junitPlatformOptions);
}
});
test.include("**/*Tests.class", "**/*Test.class");
test.setSystemProperties(Map.of(
"java.awt.headless", "true",
"io.netty.leakDetection.level", "paranoid",
"junit.platform.discovery.issue.severity.critical", "INFO"
));
if (project.hasProperty("testGroups")) {
test.systemProperty("testGroups", project.getProperties().get("testGroups"));
}
test.jvmArgs(
"--add-opens=java.base/java.lang=ALL-UNNAMED",
"--add-opens=java.base/java.util=ALL-UNNAMED",
"-Xshare:off"
);
}
private void configureByteBuddyAgent(Project project) {
if (project.hasProperty("byteBuddyVersion")) {
String byteBuddyVersion = (String) project.getProperties().get("byteBuddyVersion");
Configuration byteBuddyAgentConfig = project.getConfigurations().create("byteBuddyAgentConfig");
byteBuddyAgentConfig.setTransitive(false);
Dependency byteBuddyAgent = project.getDependencies().create("net.bytebuddy:byte-buddy-agent:" + byteBuddyVersion);
byteBuddyAgentConfig.getDependencies().add(byteBuddyAgent);
project.afterEvaluate(p -> {
p.getTasks().withType(Test.class, test -> test
.jvmArgs("-javaagent:" + byteBuddyAgentConfig.getAsPath()));
});
}
}
private void configureTestRetryPlugin(Project project, Test test) {
project.getPlugins().withType(TestRetryPlugin.class, testRetryPlugin -> {
TestRetryTaskExtension testRetry = test.getExtensions().getByType(TestRetryTaskExtension.class);
testRetry.getFailOnPassedAfterRetry().set(true);
testRetry.getMaxRetries().set(isCi() ? 3 : 0);
});
}
private boolean isCi() {
return Boolean.parseBoolean(System.getenv("CI"));
}
}
@@ -1,135 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.architecture;
import com.tngtech.archunit.core.domain.JavaClasses;
import com.tngtech.archunit.core.importer.ClassFileImporter;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.EvaluationResult;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import java.util.List;
import org.gradle.api.DefaultTask;
import org.gradle.api.GradleException;
import org.gradle.api.Task;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.FileTree;
import org.gradle.api.provider.ListProperty;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.IgnoreEmptyDirectories;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.TaskAction;
import static org.springframework.build.architecture.ArchitectureRules.allPackagesShouldBeFreeOfTangles;
import static org.springframework.build.architecture.ArchitectureRules.classesShouldNotImportForbiddenTypes;
import static org.springframework.build.architecture.ArchitectureRules.javaClassesShouldNotImportKotlinAnnotations;
import static org.springframework.build.architecture.ArchitectureRules.noClassesShouldCallStringToLowerCaseWithoutLocale;
import static org.springframework.build.architecture.ArchitectureRules.noClassesShouldCallStringToUpperCaseWithoutLocale;
/**
* {@link Task} that checks for architecture problems.
*
* @author Andy Wilkinson
* @author Scott Frederick
*/
public abstract class ArchitectureCheck extends DefaultTask {
private FileCollection classes;
public ArchitectureCheck() {
getOutputDirectory().convention(getProject().getLayout().getBuildDirectory().dir(getName()));
getProhibitObjectsRequireNonNull().convention(true);
getRules().addAll(classesShouldNotImportForbiddenTypes(),
javaClassesShouldNotImportKotlinAnnotations(),
allPackagesShouldBeFreeOfTangles(),
noClassesShouldCallStringToLowerCaseWithoutLocale(),
noClassesShouldCallStringToUpperCaseWithoutLocale());
getRuleDescriptions().set(getRules().map((rules) -> rules.stream().map(ArchRule::getDescription).toList()));
}
@TaskAction
void checkArchitecture() throws IOException {
JavaClasses javaClasses = new ClassFileImporter()
.importPaths(this.classes.getFiles().stream().map(File::toPath).toList());
List<EvaluationResult> violations = getRules().get()
.stream()
.map((rule) -> rule.evaluate(javaClasses))
.filter(EvaluationResult::hasViolation)
.toList();
File outputFile = getOutputDirectory().file("failure-report.txt").get().getAsFile();
outputFile.getParentFile().mkdirs();
if (!violations.isEmpty()) {
StringBuilder report = new StringBuilder();
for (EvaluationResult violation : violations) {
report.append(violation.getFailureReport());
report.append(String.format("%n"));
}
Files.writeString(outputFile.toPath(), report.toString(), StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING);
throw new GradleException("Architecture check failed. See '" + outputFile + "' for details.");
}
else {
outputFile.createNewFile();
}
}
public void setClasses(FileCollection classes) {
this.classes = classes;
}
@Internal
public FileCollection getClasses() {
return this.classes;
}
@InputFiles
@SkipWhenEmpty
@IgnoreEmptyDirectories
@PathSensitive(PathSensitivity.RELATIVE)
final FileTree getInputClasses() {
return this.classes.getAsFileTree();
}
@Optional
@InputFiles
@PathSensitive(PathSensitivity.RELATIVE)
public abstract DirectoryProperty getResourcesDirectory();
@OutputDirectory
public abstract DirectoryProperty getOutputDirectory();
@Internal
public abstract ListProperty<ArchRule> getRules();
@Internal
public abstract Property<Boolean> getProhibitObjectsRequireNonNull();
@Input
// The rules themselves can't be an input as they aren't serializable so we use
// their descriptions instead
abstract ListProperty<String> getRuleDescriptions();
}
@@ -1,74 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.architecture;
import java.util.ArrayList;
import java.util.List;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.language.base.plugins.LifecycleBasePlugin;
/**
* {@link Plugin} for verifying a project's architecture.
*
* @author Andy Wilkinson
*/
public class ArchitecturePlugin implements Plugin<Project> {
@Override
public void apply(Project project) {
project.getPlugins().withType(JavaPlugin.class, (javaPlugin) -> registerTasks(project));
}
private void registerTasks(Project project) {
JavaPluginExtension javaPluginExtension = project.getExtensions().getByType(JavaPluginExtension.class);
List<TaskProvider<ArchitectureCheck>> architectureChecks = new ArrayList<>();
for (SourceSet sourceSet : javaPluginExtension.getSourceSets()) {
if (sourceSet.getName().contains("test")) {
// skip test source sets.
continue;
}
TaskProvider<ArchitectureCheck> checkArchitecture = project.getTasks()
.register(taskName(sourceSet), ArchitectureCheck.class,
(task) -> {
task.setClasses(sourceSet.getOutput().getClassesDirs());
task.getResourcesDirectory().set(sourceSet.getOutput().getResourcesDir());
task.dependsOn(sourceSet.getProcessResourcesTaskName());
task.setDescription("Checks the architecture of the classes of the " + sourceSet.getName()
+ " source set.");
task.setGroup(LifecycleBasePlugin.VERIFICATION_GROUP);
});
architectureChecks.add(checkArchitecture);
}
if (!architectureChecks.isEmpty()) {
TaskProvider<Task> checkTask = project.getTasks().named(LifecycleBasePlugin.CHECK_TASK_NAME);
checkTask.configure((check) -> check.dependsOn(architectureChecks));
}
}
private static String taskName(SourceSet sourceSet) {
return "checkArchitecture"
+ sourceSet.getName().substring(0, 1).toUpperCase()
+ sourceSet.getName().substring(1);
}
}
@@ -1,100 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.architecture;
import com.tngtech.archunit.base.DescribedPredicate;
import com.tngtech.archunit.core.domain.JavaClass;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.syntax.ArchRuleDefinition;
import com.tngtech.archunit.library.dependencies.SliceAssignment;
import com.tngtech.archunit.library.dependencies.SliceIdentifier;
import com.tngtech.archunit.library.dependencies.SlicesRuleDefinition;
import java.util.List;
abstract class ArchitectureRules {
static ArchRule allPackagesShouldBeFreeOfTangles() {
return SlicesRuleDefinition.slices()
.assignedFrom(new SpringSlices()).should().beFreeOfCycles();
}
static ArchRule noClassesShouldCallStringToLowerCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toLowerCase")
.because("String.toLowerCase(Locale.ROOT) should be used instead");
}
static ArchRule noClassesShouldCallStringToUpperCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toUpperCase")
.because("String.toUpperCase(Locale.ROOT) should be used instead");
}
static ArchRule classesShouldNotImportForbiddenTypes() {
return ArchRuleDefinition.noClasses()
.should().dependOnClassesThat()
.haveFullyQualifiedName("reactor.core.support.Assert")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.slf4j.LoggerFactory")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.springframework.lang.NonNull")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.springframework.lang.Nullable");
}
static ArchRule javaClassesShouldNotImportKotlinAnnotations() {
return ArchRuleDefinition.noClasses()
.that(new DescribedPredicate<JavaClass>("is not a Kotlin class") {
@Override
public boolean test(JavaClass javaClass) {
return javaClass.getSourceCodeLocation()
.getSourceFileName().endsWith(".java");
}
}
)
.should().dependOnClassesThat()
.resideInAnyPackage("org.jetbrains.annotations..")
.allowEmptyShould(true);
}
static class SpringSlices implements SliceAssignment {
private final List<String> ignoredPackages = List.of("org.springframework.asm",
"org.springframework.cglib",
"org.springframework.javapoet",
"org.springframework.objenesis");
@Override
public SliceIdentifier getIdentifierOf(JavaClass javaClass) {
String packageName = javaClass.getPackageName();
for (String ignoredPackage : ignoredPackages) {
if (packageName.startsWith(ignoredPackage)) {
return SliceIdentifier.ignore();
}
}
return SliceIdentifier.of("spring framework");
}
@Override
public String getDescription() {
return "Spring Framework Slices";
}
}
}
@@ -1,49 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.dev;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.plugins.JavaBasePlugin;
/**
* {@link Plugin} that skips documentation tasks when the {@code "-PskipDocs"} property is defined.
*
* @author Brian Clozel
*/
public class LocalDevelopmentPlugin implements Plugin<Project> {
private static final String SKIP_DOCS_PROPERTY = "skipDocs";
@Override
public void apply(Project target) {
if (target.hasProperty(SKIP_DOCS_PROPERTY)) {
skipDocumentationTasks(target);
target.subprojects(this::skipDocumentationTasks);
}
}
private void skipDocumentationTasks(Project project) {
project.afterEvaluate(p -> {
p.getTasks().matching(task -> {
return JavaBasePlugin.DOCUMENTATION_GROUP.equals(task.getGroup())
|| "distribution".equals(task.getGroup());
})
.forEach(task -> task.setEnabled(false));
});
}
}
@@ -1,48 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.hint;
import java.util.Collections;
import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.provider.SetProperty;
import org.gradle.api.tasks.Classpath;
import org.gradle.api.tasks.Input;
import org.gradle.process.CommandLineArgumentProvider;
/**
* Argument provider for registering the runtime hints agent with a Java process.
*/
public interface RuntimeHintsAgentArgumentProvider extends CommandLineArgumentProvider {
@Classpath
ConfigurableFileCollection getAgentJar();
@Input
SetProperty<String> getIncludedPackages();
@Input
SetProperty<String> getExcludedPackages();
@Override
default Iterable<String> asArguments() {
StringBuilder packages = new StringBuilder();
getIncludedPackages().get().forEach(packageName -> packages.append('+').append(packageName).append(','));
getExcludedPackages().get().forEach(packageName -> packages.append('-').append(packageName).append(','));
return Collections.singleton("-javaagent:" + getAgentJar().getSingleFile() + "=" + packages);
}
}
@@ -1,30 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.hint;
import org.gradle.api.provider.SetProperty;
/**
* Entry point to the DSL extension for the {@link RuntimeHintsAgentPlugin} Gradle plugin.
* @author Brian Clozel
*/
public interface RuntimeHintsAgentExtension {
SetProperty<String> getIncludedPackages();
SetProperty<String> getExcludedPackages();
}
@@ -1,101 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.hint;
import org.gradle.api.JavaVersion;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.attributes.Bundling;
import org.gradle.api.attributes.Category;
import org.gradle.api.attributes.LibraryElements;
import org.gradle.api.attributes.Usage;
import org.gradle.api.attributes.java.TargetJvmVersion;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.jvm.JvmTestSuite;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.api.tasks.testing.Test;
import org.gradle.testing.base.TestingExtension;
import java.util.Collections;
/**
* {@link Plugin} that configures the {@code RuntimeHints} Java agent to test tasks.
*
* @author Brian Clozel
* @author Sebastien Deleuze
*/
public class RuntimeHintsAgentPlugin implements Plugin<Project> {
public static final String RUNTIMEHINTS_TEST_TASK = "runtimeHintsTest";
private static final String EXTENSION_NAME = "runtimeHintsAgent";
private static final String CONFIGURATION_NAME = "testRuntimeHintsAgentJar";
@Override
public void apply(Project project) {
project.getPlugins().withType(JavaPlugin.class, javaPlugin -> {
TestingExtension testing = project.getExtensions().getByType(TestingExtension.class);
JvmTestSuite jvmTestSuite = (JvmTestSuite) testing.getSuites().getByName("test");
RuntimeHintsAgentExtension agentExtension = createRuntimeHintsAgentExtension(project);
TaskProvider<Test> agentTest = project.getTasks().register(RUNTIMEHINTS_TEST_TASK, Test.class, test -> {
test.useJUnitPlatform(options -> {
options.includeTags("RuntimeHintsTests");
});
test.include("**/*Tests.class", "**/*Test.class");
test.systemProperty("java.awt.headless", "true");
test.systemProperty("org.graalvm.nativeimage.imagecode", "runtime");
test.setTestClassesDirs(jvmTestSuite.getSources().getOutput().getClassesDirs());
test.setClasspath(jvmTestSuite.getSources().getRuntimeClasspath());
test.getJvmArgumentProviders().add(createRuntimeHintsAgentArgumentProvider(project, agentExtension));
});
project.getTasks().named("check", task -> task.dependsOn(agentTest));
project.getDependencies().add(CONFIGURATION_NAME, project.project(":spring-core-test"));
});
}
private static RuntimeHintsAgentExtension createRuntimeHintsAgentExtension(Project project) {
RuntimeHintsAgentExtension agentExtension = project.getExtensions().create(EXTENSION_NAME, RuntimeHintsAgentExtension.class);
agentExtension.getIncludedPackages().convention(Collections.singleton("org.springframework"));
agentExtension.getExcludedPackages().convention(Collections.emptySet());
return agentExtension;
}
private static RuntimeHintsAgentArgumentProvider createRuntimeHintsAgentArgumentProvider(
Project project, RuntimeHintsAgentExtension agentExtension) {
RuntimeHintsAgentArgumentProvider agentArgumentProvider = project.getObjects().newInstance(RuntimeHintsAgentArgumentProvider.class);
agentArgumentProvider.getAgentJar().from(createRuntimeHintsAgentConfiguration(project));
agentArgumentProvider.getIncludedPackages().set(agentExtension.getIncludedPackages());
agentArgumentProvider.getExcludedPackages().set(agentExtension.getExcludedPackages());
return agentArgumentProvider;
}
private static Configuration createRuntimeHintsAgentConfiguration(Project project) {
return project.getConfigurations().create(CONFIGURATION_NAME, configuration -> {
configuration.setCanBeConsumed(false);
configuration.setTransitive(false); // Only the built artifact is required
configuration.attributes(attributes -> {
attributes.attribute(Bundling.BUNDLING_ATTRIBUTE, project.getObjects().named(Bundling.class, Bundling.EXTERNAL));
attributes.attribute(Category.CATEGORY_ATTRIBUTE, project.getObjects().named(Category.class, Category.LIBRARY));
attributes.attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, project.getObjects().named(LibraryElements.class, LibraryElements.JAR));
attributes.attribute(TargetJvmVersion.TARGET_JVM_VERSION_ATTRIBUTE, Integer.valueOf(JavaVersion.current().getMajorVersion()));
attributes.attribute(Usage.USAGE_ATTRIBUTE, project.getObjects().named(Usage.class, Usage.JAVA_RUNTIME));
});
});
}
}
@@ -1,139 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import javax.inject.Inject;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.ConfigurationContainer;
import org.gradle.api.artifacts.dsl.DependencyHandler;
import org.gradle.api.attributes.LibraryElements;
import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.file.FileCollection;
import org.gradle.api.java.archives.Attributes;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetContainer;
import org.gradle.api.tasks.TaskContainer;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.api.tasks.bundling.Jar;
import org.gradle.api.tasks.compile.JavaCompile;
import org.gradle.api.tasks.testing.Test;
import org.gradle.language.base.plugins.LifecycleBasePlugin;
/**
* @author Cedric Champeau
* @author Brian Clozel
*/
public abstract class MultiReleaseExtension {
private final TaskContainer tasks;
private final SourceSetContainer sourceSets;
private final DependencyHandler dependencies;
private final ObjectFactory objects;
private final ConfigurationContainer configurations;
@Inject
public MultiReleaseExtension(SourceSetContainer sourceSets,
ConfigurationContainer configurations,
TaskContainer tasks,
DependencyHandler dependencies,
ObjectFactory objectFactory) {
this.sourceSets = sourceSets;
this.configurations = configurations;
this.tasks = tasks;
this.dependencies = dependencies;
this.objects = objectFactory;
}
public void releaseVersions(int... javaVersions) {
releaseVersions("src/main/", "src/test/", javaVersions);
}
private void releaseVersions(String mainSourceDirectory, String testSourceDirectory, int... javaVersions) {
for (int javaVersion : javaVersions) {
addLanguageVersion(javaVersion, mainSourceDirectory, testSourceDirectory);
}
}
private void addLanguageVersion(int javaVersion, String mainSourceDirectory, String testSourceDirectory) {
String javaN = "java" + javaVersion;
SourceSet langSourceSet = sourceSets.create(javaN, srcSet -> srcSet.getJava().srcDir(mainSourceDirectory + javaN));
SourceSet testSourceSet = sourceSets.create(javaN + "Test", srcSet -> srcSet.getJava().srcDir(testSourceDirectory + javaN));
SourceSet sharedSourceSet = sourceSets.findByName(SourceSet.MAIN_SOURCE_SET_NAME);
SourceSet sharedTestSourceSet = sourceSets.findByName(SourceSet.TEST_SOURCE_SET_NAME);
FileCollection mainClasses = objects.fileCollection().from(sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME).getOutput().getClassesDirs());
dependencies.add(javaN + "Implementation", mainClasses);
tasks.named(langSourceSet.getCompileJavaTaskName(), JavaCompile.class, task ->
task.getOptions().getRelease().set(javaVersion)
);
tasks.named(testSourceSet.getCompileJavaTaskName(), JavaCompile.class, task ->
task.getOptions().getRelease().set(javaVersion)
);
TaskProvider<Test> testTask = createTestTask(javaVersion, testSourceSet, sharedTestSourceSet, langSourceSet, sharedSourceSet);
tasks.named("check", task -> task.dependsOn(testTask));
configureMultiReleaseJar(javaVersion, langSourceSet);
}
private TaskProvider<Test> createTestTask(int javaVersion, SourceSet testSourceSet, SourceSet sharedTestSourceSet, SourceSet langSourceSet, SourceSet sharedSourceSet) {
Configuration testImplementation = configurations.getByName(testSourceSet.getImplementationConfigurationName());
testImplementation.extendsFrom(configurations.getByName(sharedTestSourceSet.getImplementationConfigurationName()));
Configuration testCompileOnly = configurations.getByName(testSourceSet.getCompileOnlyConfigurationName());
testCompileOnly.extendsFrom(configurations.getByName(sharedTestSourceSet.getCompileOnlyConfigurationName()));
testCompileOnly.getDependencies().add(dependencies.create(langSourceSet.getOutput().getClassesDirs()));
testCompileOnly.getDependencies().add(dependencies.create(sharedSourceSet.getOutput().getClassesDirs()));
Configuration testRuntimeClasspath = configurations.getByName(testSourceSet.getRuntimeClasspathConfigurationName());
// so here's the deal. MRjars are JARs! Which means that to execute tests, we need
// the JAR on classpath, not just classes + resources as Gradle usually does
testRuntimeClasspath.getAttributes()
.attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(LibraryElements.class, LibraryElements.JAR));
TaskProvider<Test> testTask = tasks.register("java" + javaVersion + "Test", Test.class, test -> {
test.setGroup(LifecycleBasePlugin.VERIFICATION_GROUP);
ConfigurableFileCollection testClassesDirs = objects.fileCollection();
testClassesDirs.from(testSourceSet.getOutput());
testClassesDirs.from(sharedTestSourceSet.getOutput());
test.setTestClassesDirs(testClassesDirs);
ConfigurableFileCollection classpath = objects.fileCollection();
// must put the MRJar first on classpath
classpath.from(tasks.named("jar"));
// then we put the specific test sourceset tests, so that we can override
// the shared versions
classpath.from(testSourceSet.getOutput());
// then we add the shared tests
classpath.from(sharedTestSourceSet.getRuntimeClasspath());
test.setClasspath(classpath);
});
return testTask;
}
private void configureMultiReleaseJar(int version, SourceSet languageSourceSet) {
tasks.named("jar", Jar.class, jar -> {
jar.into("META-INF/versions/" + version, s -> s.from(languageSourceSet.getOutput()));
Attributes attributes = jar.getManifest().getAttributes();
attributes.put("Multi-Release", "true");
});
}
}
@@ -1,76 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import javax.inject.Inject;
import org.gradle.api.JavaVersion;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.artifacts.ConfigurationContainer;
import org.gradle.api.artifacts.dsl.DependencyHandler;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.plugins.ExtensionContainer;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.TaskContainer;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.api.tasks.bundling.AbstractArchiveTask;
import org.gradle.jvm.tasks.Jar;
import org.gradle.jvm.toolchain.JavaLanguageVersion;
import org.gradle.jvm.toolchain.JavaToolchainService;
/**
* A plugin which adds support for building multi-release jars
* with Gradle.
* @author Cedric Champeau
* @author Brian Clozel
* @see <a href="https://github.com/melix/mrjar-gradle-plugin">original project</a>
*/
public class MultiReleaseJarPlugin implements Plugin<Project> {
public static String VALIDATE_JAR_TASK_NAME = "validateMultiReleaseJar";
@Inject
protected JavaToolchainService getToolchains() {
throw new UnsupportedOperationException();
}
public void apply(Project project) {
project.getPlugins().apply(JavaPlugin.class);
ExtensionContainer extensions = project.getExtensions();
JavaPluginExtension javaPluginExtension = extensions.getByType(JavaPluginExtension.class);
ConfigurationContainer configurations = project.getConfigurations();
TaskContainer tasks = project.getTasks();
DependencyHandler dependencies = project.getDependencies();
ObjectFactory objects = project.getObjects();
extensions.create("multiRelease", MultiReleaseExtension.class,
javaPluginExtension.getSourceSets(),
configurations,
tasks,
dependencies,
objects);
if (JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_25)) {
TaskProvider<MultiReleaseJarValidateTask> validateJarTask = tasks.register(VALIDATE_JAR_TASK_NAME, MultiReleaseJarValidateTask.class, (task) -> {
task.getJar().set(tasks.named("jar", Jar.class).flatMap(AbstractArchiveTask::getArchiveFile));
task.getJavaLauncher().set(task.getJavaToolchainService().launcherFor(spec -> spec.getLanguageVersion().set(JavaLanguageVersion.of(25))));
});
tasks.named("check", task -> task.dependsOn(validateJarTask));
}
}
}
@@ -1,47 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import org.gradle.api.file.RegularFileProperty;
import org.gradle.api.tasks.CacheableTask;
import org.gradle.api.tasks.InputFile;
import org.gradle.api.tasks.JavaExec;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.jvm.toolchain.JavaToolchainService;
import java.util.List;
import javax.inject.Inject;
@CacheableTask
public abstract class MultiReleaseJarValidateTask extends JavaExec {
public MultiReleaseJarValidateTask() {
getMainModule().set("jdk.jartool");
getArgumentProviders().add(() -> List.of("--validate", "--file", getJar().get().getAsFile().getAbsolutePath()));
}
@Inject
protected abstract JavaToolchainService getJavaToolchainService();
@InputFile
@PathSensitive(PathSensitivity.RELATIVE)
public abstract RegularFileProperty getJar();
}
@@ -1,56 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.optional;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.SourceSetContainer;
/**
* A {@code Plugin} that adds support for Maven-style optional dependencies. Creates a new
* {@code optional} configuration. The {@code optional} configuration is part of the
* project's compile and runtime classpaths but does not affect the classpath of
* dependent projects.
*
* @author Andy Wilkinson
*/
public class OptionalDependenciesPlugin implements Plugin<Project> {
/**
* Name of the {@code optional} configuration.
*/
public static final String OPTIONAL_CONFIGURATION_NAME = "optional";
@Override
public void apply(Project project) {
Configuration optional = project.getConfigurations().create(OPTIONAL_CONFIGURATION_NAME);
optional.setCanBeConsumed(false);
optional.setCanBeResolved(false);
project.getPlugins().withType(JavaBasePlugin.class, (javaBasePlugin) -> {
SourceSetContainer sourceSets = project.getExtensions().getByType(JavaPluginExtension.class)
.getSourceSets();
sourceSets.all((sourceSet) -> {
project.getConfigurations().getByName(sourceSet.getCompileClasspathConfigurationName()).extendsFrom(optional);
project.getConfigurations().getByName(sourceSet.getRuntimeClasspathConfigurationName()).extendsFrom(optional);
});
});
}
}
@@ -1,191 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.shadow;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.gradle.api.DefaultTask;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.component.ModuleComponentSelector;
import org.gradle.api.artifacts.query.ArtifactResolutionQuery;
import org.gradle.api.artifacts.result.ArtifactResolutionResult;
import org.gradle.api.artifacts.result.ComponentArtifactsResult;
import org.gradle.api.artifacts.result.DependencyResult;
import org.gradle.api.artifacts.result.ResolutionResult;
import org.gradle.api.artifacts.result.ResolvedArtifactResult;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileCopyDetails;
import org.gradle.api.file.FileTree;
import org.gradle.api.tasks.Classpath;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.Nested;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.TaskAction;
import org.gradle.jvm.JvmLibrary;
import org.gradle.language.base.artifact.SourcesArtifact;
/**
* Gradle task to add source from shadowed jars into our own source jars.
*
* @author Phillip Webb
* @author Andy Wilkinson
*/
public class ShadowSource extends DefaultTask {
private final DirectoryProperty outputDirectory = getProject().getObjects().directoryProperty();
private List<Configuration> configurations = new ArrayList<>();
private final List<Relocation> relocations = new ArrayList<>();
@Classpath
@Optional
public List<Configuration> getConfigurations() {
return this.configurations;
}
public void setConfigurations(List<Configuration> configurations) {
this.configurations = configurations;
}
@Nested
public List<Relocation> getRelocations() {
return this.relocations;
}
public void relocate(String pattern, String destination) {
this.relocations.add(new Relocation(pattern, destination));
}
@OutputDirectory
public DirectoryProperty getOutputDirectory() {
return this.outputDirectory;
}
@TaskAction
void syncSourceJarFiles() {
sync(getSourceJarFiles());
}
private List<File> getSourceJarFiles() {
List<File> sourceJarFiles = new ArrayList<>();
for (Configuration configuration : this.configurations) {
ResolutionResult resolutionResult = configuration.getIncoming().getResolutionResult();
resolutionResult.getRootComponent().get().getDependencies().forEach(dependency -> {
Set<ComponentArtifactsResult> artifactsResults = resolveSourceArtifacts(dependency);
for (ComponentArtifactsResult artifactResult : artifactsResults) {
artifactResult.getArtifacts(SourcesArtifact.class).forEach(sourceArtifact -> {
sourceJarFiles.add(((ResolvedArtifactResult) sourceArtifact).getFile());
});
}
});
}
return Collections.unmodifiableList(sourceJarFiles);
}
private Set<ComponentArtifactsResult> resolveSourceArtifacts(DependencyResult dependency) {
ModuleComponentSelector componentSelector = (ModuleComponentSelector) dependency.getRequested();
ArtifactResolutionQuery query = getProject().getDependencies().createArtifactResolutionQuery()
.forModule(componentSelector.getGroup(), componentSelector.getModule(), componentSelector.getVersion());
return executeQuery(query).getResolvedComponents();
}
@SuppressWarnings("unchecked")
private ArtifactResolutionResult executeQuery(ArtifactResolutionQuery query) {
return query.withArtifacts(JvmLibrary.class, SourcesArtifact.class).execute();
}
private void sync(List<File> sourceJarFiles) {
getProject().sync(spec -> {
spec.into(this.outputDirectory);
spec.eachFile(this::relocateFile);
spec.filter(this::transformContent);
spec.exclude("META-INF/**");
spec.setIncludeEmptyDirs(false);
sourceJarFiles.forEach(sourceJar -> spec.from(zipTree(sourceJar)));
});
}
private void relocateFile(FileCopyDetails details) {
String path = details.getPath();
for (Relocation relocation : this.relocations) {
path = relocation.relocatePath(path);
}
details.setPath(path);
}
private String transformContent(String content) {
for (Relocation relocation : this.relocations) {
content = relocation.transformContent(content);
}
return content;
}
private FileTree zipTree(File sourceJar) {
return getProject().zipTree(sourceJar);
}
/**
* A single relocation.
*/
static class Relocation {
private final String pattern;
private final String pathPattern;
private final String destination;
private final String pathDestination;
Relocation(String pattern, String destination) {
this.pattern = pattern;
this.pathPattern = pattern.replace('.', '/');
this.destination = destination;
this.pathDestination = destination.replace('.', '/');
}
@Input
public String getPattern() {
return this.pattern;
}
@Input
public String getDestination() {
return this.destination;
}
String relocatePath(String path) {
return path.replace(this.pathPattern, this.pathDestination);
}
public String transformContent(String content) {
return content.replaceAll("\\b" + this.pattern, this.destination);
}
}
}
@@ -0,0 +1 @@
implementation-class=org.springframework.build.gradle.DetectSplitPackagesPlugin
@@ -0,0 +1 @@
implementation-class=org.springframework.build.gradle.MergePlugin
@@ -0,0 +1 @@
implementation-class=org.springframework.build.gradle.TestSourceSetDependenciesPlugin
@@ -1,182 +0,0 @@
/*
* Copyright 2002-present the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.build.multirelease;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import org.gradle.testkit.runner.BuildResult;
import org.gradle.testkit.runner.GradleRunner;
import org.gradle.testkit.runner.UnexpectedBuildFailure;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.DisabledForJreRange;
import org.junit.jupiter.api.condition.JRE;
import org.junit.jupiter.api.io.TempDir;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
/**
* Tests for {@link MultiReleaseJarPlugin}
*/
public class MultiReleaseJarPluginTests {
private File projectDir;
private File buildFile;
private File propertiesFile;
@BeforeEach
void setup(@TempDir File projectDir) {
this.projectDir = projectDir;
this.buildFile = new File(this.projectDir, "build.gradle");
this.propertiesFile = new File(this.projectDir, "gradle.properties");
}
@Test
void configureSourceSets() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
multiRelease { releaseVersions 21, 24 }
task printSourceSets {
doLast {
sourceSets.all { println it.name }
}
}
""");
BuildResult buildResult = runGradle("printSourceSets");
assertThat(buildResult.getOutput()).contains("main", "test", "java21", "java21Test", "java24", "java24Test");
}
@Test
void configureToolchainReleaseVersion() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
multiRelease { releaseVersions 21 }
task printReleaseVersion {
doLast {
tasks.all { println it.name }
tasks.named("compileJava21Java") {
println "compileJava21Java releaseVersion: ${it.options.release.get()}"
}
tasks.named("compileJava21TestJava") {
println "compileJava21TestJava releaseVersion: ${it.options.release.get()}"
}
}
}
""");
BuildResult buildResult = runGradle("printReleaseVersion");
assertThat(buildResult.getOutput()).contains("compileJava21Java releaseVersion: 21")
.contains("compileJava21TestJava releaseVersion: 21");
}
@Test
void packageInJar() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
version = '1.2.3'
multiRelease { releaseVersions 17 }
""");
writeClass("src/main/java17", "Main.java", """
public class Main {}
""");
BuildResult buildResult = runGradle("assemble");
File file = new File(this.projectDir, "/build/libs/" + this.projectDir.getName() + "-1.2.3.jar");
assertThat(file).exists();
try (JarFile jar = new JarFile(file)) {
Attributes mainAttributes = jar.getManifest().getMainAttributes();
assertThat(mainAttributes.getValue("Multi-Release")).isEqualTo("true");
assertThat(jar.entries().asIterator()).toIterable()
.anyMatch(entry -> entry.getName().equals("META-INF/versions/17/Main.class"));
}
}
@Test
@DisabledForJreRange(max = JRE.JAVA_24, disabledReason = "'jar --validate' is available as of Java 25")
void validateJar() throws IOException {
writeBuildFile("""
plugins {
id 'java'
id 'org.springframework.build.multiReleaseJar'
}
version = '1.2.3'
tasks.withType(JavaCompile).configureEach {
options.release = 11
}
multiRelease { releaseVersions 17 }
""");
writeGradleProperties("""
org.gradle.jvmargs=-Duser.language=en
""");
writeClass("src/main/java17", "Main.java", """
public class Main {
public void method() {}
}
""");
writeClass("src/main/java", "Main.java", """
public class Main {}
""");
assertThatThrownBy(() ->runGradle("validateMultiReleaseJar"))
.isInstanceOf(UnexpectedBuildFailure.class)
.hasMessageContaining("entry: META-INF/versions/17/Main.class, contains a class with different api from earlier version");
}
private void writeBuildFile(String buildContent) throws IOException {
try (PrintWriter out = new PrintWriter(new FileWriter(this.buildFile))) {
out.print(buildContent);
}
}
private void writeGradleProperties(String properties) throws IOException {
try (PrintWriter out = new PrintWriter(new FileWriter(this.propertiesFile))) {
out.print(properties);
}
}
private void writeClass(String path, String fileName, String fileContent) throws IOException {
Path folder = this.projectDir.toPath().resolve(path);
Files.createDirectories(folder);
Path filePath = folder.resolve(fileName);
Files.createFile(filePath);
Files.writeString(filePath, fileContent);
}
private BuildResult runGradle(String... args) {
return GradleRunner.create().withProjectDir(this.projectDir).withArguments(args).withPluginClasspath().build();
}
}
-127
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@@ -1,127 +0,0 @@
plugins {
id 'java-platform'
id 'io.freefair.aggregate-javadoc' version '8.13.1'
id 'org.jetbrains.dokka'
}
description = "Spring Framework API Docs"
apply from: "${rootDir}/gradle/publications.gradle"
repositories {
maven {
url = "https://repo.spring.io/release"
}
}
dependencies {
moduleProjects.each { moduleProject ->
javadoc moduleProject
}
}
def springAspectsOutput = project(":spring-aspects").sourceSets.main.output
javadoc {
javadocTool.set(javaToolchains.javadocToolFor({
languageVersion = JavaLanguageVersion.of(25)
}))
title = "${rootProject.description} ${version} API"
failOnError = true
options {
encoding = "UTF-8"
memberLevel = JavadocMemberLevel.PROTECTED
author = true
header = rootProject.description
use = true
overview = project.relativePath("$rootProject.rootDir/framework-docs/src/docs/api/overview.html")
destinationDir = project.java.docsDir.dir("javadoc-api").get().asFile
splitIndex = true
links(rootProject.ext.javadocLinks)
// Check for 'syntax' and 'reference' during linting.
addBooleanOption('Xdoclint:syntax,reference', true)
// Change modularity mismatch from warn to info.
// See https://github.com/spring-projects/spring-framework/issues/27497
addStringOption("-link-modularity-mismatch", "info")
// Fail build on Javadoc warnings.
addBooleanOption('Werror', true)
}
maxMemory = "1024m"
doFirst {
classpath += files(
// ensure the javadoc process can resolve types compiled from .aj sources
springAspectsOutput
)
classpath += files(moduleProjects.collect { it.sourceSets.main.compileClasspath })
}
}
dokka {
moduleName = "spring-framework"
dokkaPublications.html {
outputDirectory = project.java.docsDir.dir("kdoc-api")
includes.from("$rootProject.rootDir/framework-docs/src/docs/api/dokka-overview.md")
}
}
/**
* Zip all Java docs (javadoc & kdoc) into a single archive
*/
tasks.register('docsZip', Zip) {
dependsOn = ['javadoc', 'dokkaGenerate']
group = "distribution"
description = "Builds -${archiveClassifier} archive containing api and reference " +
"for deployment at https://docs.spring.io/spring-framework/docs/."
archiveBaseName.set("spring-framework")
archiveClassifier.set("docs")
from("src/dist") {
include "changelog.txt"
}
from(javadoc) {
into "javadoc-api"
}
from(project.java.docsDir.dir("kdoc-api")) {
into "kdoc-api"
}
}
/**
* Zip all Spring Framework schemas into a single archive
*/
tasks.register('schemaZip', Zip) {
group = "distribution"
archiveBaseName.set("spring-framework")
archiveClassifier.set("schema")
description = "Builds -${archiveClassifier} archive containing all " +
"XSDs for deployment at https://springframework.org/schema."
duplicatesStrategy = DuplicatesStrategy.EXCLUDE
moduleProjects.each { module ->
def Properties schemas = new Properties();
module.sourceSets.main.resources.find {
(it.path.endsWith("META-INF/spring.schemas") || it.path.endsWith("META-INF\\spring.schemas"))
}?.withInputStream { schemas.load(it) }
for (def key : schemas.keySet()) {
def shortName = key.replaceAll(/http.*schema.(.*).spring-.*/, '$1')
assert shortName != key
File xsdFile = module.sourceSets.main.resources.find {
(it.path.endsWith(schemas.get(key)) || it.path.endsWith(schemas.get(key).replaceAll('\\/', '\\\\')))
}
assert xsdFile != null
into(shortName) {
from xsdFile.path
}
}
}
}
publishing {
publications {
mavenJava(MavenPublication) {
artifact docsZip
artifact schemaZip
}
}
}
-23
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@@ -1,23 +0,0 @@
description = "Spring Framework (Bill of Materials)"
apply plugin: 'java-platform'
apply from: "$rootDir/gradle/publications.gradle"
group = "org.springframework"
dependencies {
constraints {
parent.moduleProjects.sort { "$it.name" }.each {
api it
}
}
}
publishing {
publications {
mavenJava(MavenPublication) {
artifactId = 'spring-framework-bom'
from components.javaPlatform
}
}
}
-41
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@@ -1,41 +0,0 @@
antora:
extensions:
- require: '@springio/antora-extensions'
root_component_name: 'framework'
site:
title: Spring Framework
url: https://docs.spring.io/spring-framework/reference
robots: allow
git:
ensure_git_suffix: false
content:
sources:
- url: https://github.com/spring-projects/spring-framework
# Refname matching:
# https://docs.antora.org/antora/latest/playbook/content-refname-matching/
# branches: We include snapshots for main, 6.2.x, and 7.0.x to 9.*.x.
branches: ['main', '6.2.x', '{7..9}.+({0..9}).x']
# tags: include all releases from 6.2.0 to 9.*.*.
tags: ['v6.2.+({0..9})', 'v{7..9}.+({0..9}).+({0..9})?(-{RC,M}*)']
start_path: framework-docs
asciidoc:
extensions:
- '@asciidoctor/tabs'
- '@springio/asciidoctor-extensions'
- '@springio/asciidoctor-extensions/include-code-extension'
attributes:
page-stackoverflow-url: https://stackoverflow.com/questions/tagged/spring
page-pagination: ''
hide-uri-scheme: '@'
tabs-sync-option: '@'
include-java: 'example$docs-src/main/java/org/springframework/docs'
urls:
latest_version_segment_strategy: redirect:to
latest_version_segment: ''
redirect_facility: httpd
runtime:
log:
failure_level: warn
ui:
bundle:
url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.26/ui-bundle.zip
-97
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@@ -1,97 +0,0 @@
name: framework
version: true
title: Spring Framework
nav:
- modules/ROOT/nav.adoc
ext:
collector:
run:
command: gradlew -q -PbuildSrc.skipTests=true "-Dorg.gradle.jvmargs=-Xmx3g" :framework-docs:generateAntoraResources
local: true
scan:
dir: ./build/generated-antora-resources
asciidoc:
attributes:
attribute-missing: 'warn'
# FIXME: the copyright is not removed
# FIXME: The package is not renamed
chomp: 'all'
fold: 'all'
table-stripes: 'odd'
include-java: 'example$docs-src/main/java/org/springframework/docs'
include-kotlin: 'example$docs-src/main/kotlin/org/springframework/docs'
include-xml: 'example$docs-src/main/resources/org/springframework/docs'
spring-site: 'https://spring.io'
spring-site-blog: '{spring-site}/blog'
spring-site-cve: "{spring-site}/security"
spring-site-guides: '{spring-site}/guides'
spring-site-projects: '{spring-site}/projects'
spring-site-tools: "{spring-site}/tools"
spring-org: 'spring-projects'
spring-github-org: "https://github.com/{spring-org}"
spring-framework-github: "https://github.com/{spring-org}/spring-framework"
spring-framework-code: '{spring-framework-github}/tree/main'
spring-framework-issues: '{spring-framework-github}/issues'
spring-framework-wiki: '{spring-framework-github}/wiki'
# Docs
docs-site: 'https://docs.spring.io'
spring-framework-docs-root: '{docs-site}/spring-framework/docs'
spring-framework-api: '{spring-framework-docs-root}/{spring-version}/javadoc-api/org/springframework'
spring-framework-api-kdoc: '{spring-framework-docs-root}/{spring-version}/kdoc-api'
spring-framework-reference: '{spring-framework-docs-root}/{spring-version}/reference'
#
# Other Spring portfolio projects
spring-boot-docs: '{docs-site}/spring-boot'
spring-boot-docs-ref: '{spring-boot-docs}/reference'
spring-boot-issues: '{spring-github-org}/spring-boot/issues'
# TODO add more projects / links or just build up on {docs-site}?
# TODO rename the below using new conventions
docs-spring-gemfire: '{docs-site}/spring-gemfire/docs/current/reference'
docs-spring-security: '{docs-site}/spring-security/reference'
docs-spring-session: '{docs-site}/spring-session/reference'
#
# External projects URLs and related attributes
aspectj-site: 'https://www.eclipse.org/aspectj'
aspectj-docs: "{aspectj-site}/doc/released"
aspectj-api: "{aspectj-docs}/runtime-api"
aspectj-docs-devguide: "{aspectj-docs}/devguide"
aspectj-docs-progguide: "{aspectj-docs}/progguide"
assertj-docs: 'https://assertj.github.io/doc'
baeldung-blog: 'https://www.baeldung.com'
bean-validation-site: 'https://beanvalidation.org'
graalvm-docs: 'https://www.graalvm.org/22.3/reference-manual'
hibernate-validator-site: 'https://hibernate.org/validator/'
jackson-docs: 'https://fasterxml.github.io'
jackson-github-org: 'https://github.com/FasterXML'
java-api: 'https://docs.oracle.com/en/java/javase/17/docs/api'
java-tutorial: 'https://docs.oracle.com/javase/tutorial'
JSR: 'https://www.jcp.org/en/jsr/detail?id='
kotlin-site: 'https://kotlinlang.org'
kotlin-docs: '{kotlin-site}/docs'
kotlin-api: '{kotlin-site}/api/latest'
kotlin-coroutines-api: '{kotlin-site}/api/kotlinx.coroutines'
kotlin-github-org: 'https://github.com/Kotlin'
kotlin-issues: 'https://youtrack.jetbrains.com/issue'
micrometer-docs: 'https://docs.micrometer.io/micrometer/reference'
micrometer-context-propagation-docs: 'https://docs.micrometer.io/context-propagation/reference'
petclinic-github-org: 'https://github.com/spring-petclinic'
reactive-streams-site: 'https://www.reactive-streams.org'
reactive-streams-spec: 'https://github.com/reactive-streams/reactive-streams-jvm/blob/master/README.md#specification'
reactor-github-org: 'https://github.com/reactor'
reactor-site: 'https://projectreactor.io'
rsocket-github-org: 'https://github.com/rsocket'
rsocket-java: '{rsocket-github-org}/rsocket-java'
rsocket-java-code: '{rsocket-java}/tree/master/'
rsocket-protocol-extensions: '{rsocket-github-org}/rsocket/tree/master/Extensions'
rsocket-site: 'https://rsocket.io'
rfc-site: 'https://datatracker.ietf.org/doc/html'
sockjs-client: 'https://github.com/sockjs/sockjs-client'
sockjs-protocol: 'https://github.com/sockjs/sockjs-protocol'
sockjs-protocol-site: "https://sockjs.github.io/sockjs-protocol"
stackoverflow-site: 'https://stackoverflow.com'
stackoverflow-questions: '{stackoverflow-site}/questions'
stackoverflow-spring-tag: "{stackoverflow-questions}/tagged/spring"
stackoverflow-spring-kotlin-tags: "{stackoverflow-spring-tag}+kotlin"
testcontainers-site: 'https://www.testcontainers.org'
vavr-docs: 'https://vavr-io.github.io/vavr-docs'
-98
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@@ -1,98 +0,0 @@
import org.jetbrains.kotlin.gradle.dsl.JvmTarget
import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
plugins {
id 'kotlin'
id 'io.spring.antora.generate-antora-yml' version '0.0.1'
id 'org.antora' version '1.0.0'
}
description = "Spring Framework Docs"
apply from: "${rootDir}/gradle/ide.gradle"
apply from: "${rootDir}/gradle/publications.gradle"
antora {
options = [clean: true, fetch: !project.gradle.startParameter.offline, stacktrace: true]
environment = [
'BUILD_REFNAME': 'HEAD',
'BUILD_VERSION': project.version,
]
}
node {
version = '24.15.0'
}
tasks.named("generateAntoraYml") {
asciidocAttributes = project.provider( {
return ["spring-version": project.version ]
} )
}
tasks.register("generateAntoraResources") {
dependsOn 'generateAntoraYml'
}
jar {
enabled = false
}
javadoc {
enabled = false
}
repositories {
maven {
url = "https://repo.spring.io/release"
}
}
// To avoid a redeclaration error with Kotlin compiler and set the JVM target
tasks.withType(KotlinCompilationTask.class).configureEach {
javaSources.from = []
compilerOptions.jvmTarget = JvmTarget.JVM_17
compilerOptions.freeCompilerArgs.addAll(
"-Xjdk-release=17", // Needed due to https://youtrack.jetbrains.com/issue/KT-49746
"-Xannotation-default-target=param-property" // Upcoming default, see https://youtrack.jetbrains.com/issue/KT-73255
)
}
dependencies {
implementation(project(":spring-aspects"))
implementation(project(":spring-context"))
implementation(project(":spring-context-support"))
implementation(project(":spring-core-test"))
implementation(project(":spring-jdbc"))
implementation(project(":spring-jms"))
implementation(project(":spring-test"))
implementation(project(":spring-web"))
implementation(project(":spring-webflux"))
implementation(project(":spring-webmvc"))
implementation(project(":spring-websocket"))
implementation("com.github.ben-manes.caffeine:caffeine")
implementation("com.mchange:c3p0:0.9.5.5")
implementation("com.oracle.database.jdbc:ojdbc11")
implementation("io.micrometer:context-propagation")
implementation("io.projectreactor.netty:reactor-netty-http")
implementation("jakarta.jms:jakarta.jms-api")
implementation("jakarta.servlet:jakarta.servlet-api")
implementation("jakarta.resource:jakarta.resource-api")
implementation("jakarta.validation:jakarta.validation-api")
implementation("jakarta.websocket:jakarta.websocket-client-api")
implementation("javax.cache:cache-api")
implementation("org.apache.activemq:activemq-ra:6.1.2")
implementation("org.apache.commons:commons-dbcp2:2.11.0")
implementation("org.apache.groovy:groovy-templates")
implementation("org.aspectj:aspectjweaver")
implementation("org.assertj:assertj-core")
implementation("org.eclipse.jetty.websocket:jetty-websocket-jetty-api")
implementation("org.freemarker:freemarker")
implementation("org.jetbrains.kotlin:kotlin-stdlib")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor")
implementation("org.junit.jupiter:junit-jupiter-api")
implementation("tools.jackson.core:jackson-databind")
implementation("tools.jackson.dataformat:jackson-dataformat-xml")
}
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* xref:overview.adoc[Overview]
* xref:core.adoc[]
** xref:core/beans.adoc[]
*** xref:core/beans/introduction.adoc[]
*** xref:core/beans/basics.adoc[]
*** xref:core/beans/definition.adoc[]
*** xref:core/beans/dependencies.adoc[]
**** xref:core/beans/dependencies/factory-collaborators.adoc[]
**** xref:core/beans/dependencies/factory-properties-detailed.adoc[]
**** xref:core/beans/dependencies/factory-dependson.adoc[]
**** xref:core/beans/dependencies/factory-lazy-init.adoc[]
**** xref:core/beans/dependencies/factory-autowire.adoc[]
**** xref:core/beans/dependencies/factory-method-injection.adoc[]
*** xref:core/beans/factory-scopes.adoc[]
*** xref:core/beans/factory-nature.adoc[]
*** xref:core/beans/child-bean-definitions.adoc[]
*** xref:core/beans/factory-extension.adoc[]
*** xref:core/beans/annotation-config.adoc[]
**** xref:core/beans/annotation-config/autowired.adoc[]
**** xref:core/beans/annotation-config/autowired-primary.adoc[]
**** xref:core/beans/annotation-config/autowired-qualifiers.adoc[]
**** xref:core/beans/annotation-config/generics-as-qualifiers.adoc[]
**** xref:core/beans/annotation-config/custom-autowire-configurer.adoc[]
**** xref:core/beans/annotation-config/resource.adoc[]
**** xref:core/beans/annotation-config/value-annotations.adoc[]
**** xref:core/beans/annotation-config/postconstruct-and-predestroy-annotations.adoc[]
*** xref:core/beans/classpath-scanning.adoc[]
*** xref:core/beans/standard-annotations.adoc[]
*** xref:core/beans/java.adoc[]
**** xref:core/beans/java/basic-concepts.adoc[]
**** xref:core/beans/java/instantiating-container.adoc[]
**** xref:core/beans/java/bean-annotation.adoc[]
**** xref:core/beans/java/configuration-annotation.adoc[]
**** xref:core/beans/java/composing-configuration-classes.adoc[]
**** xref:core/beans/java/programmatic-bean-registration.adoc[]
*** xref:core/beans/environment.adoc[]
*** xref:core/beans/context-load-time-weaver.adoc[]
*** xref:core/beans/context-introduction.adoc[]
*** xref:core/beans/beanfactory.adoc[]
** xref:core/resources.adoc[]
** xref:core/validation.adoc[]
*** xref:core/validation/validator.adoc[]
*** xref:core/validation/data-binding.adoc[]
*** xref:core/validation/error-code-resolution.adoc[]
*** xref:core/validation/convert.adoc[]
*** xref:core/validation/format.adoc[]
*** xref:core/validation/format-configuring-formatting-globaldatetimeformat.adoc[]
*** xref:core/validation/beanvalidation.adoc[]
** xref:core/expressions.adoc[]
*** xref:core/expressions/evaluation.adoc[]
*** xref:core/expressions/beandef.adoc[]
*** xref:core/expressions/language-ref.adoc[]
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**** xref:core/expressions/language-ref/bean-references.adoc[]
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**** xref:core/expressions/language-ref/collection-selection.adoc[]
**** xref:core/expressions/language-ref/collection-projection.adoc[]
**** xref:core/expressions/language-ref/templating.adoc[]
*** xref:core/expressions/example-classes.adoc[]
** xref:core/aop.adoc[]
*** xref:core/aop/introduction-defn.adoc[]
*** xref:core/aop/introduction-spring-defn.adoc[]
*** xref:core/aop/introduction-proxies.adoc[]
*** xref:core/aop/ataspectj.adoc[]
**** xref:core/aop/ataspectj/aspectj-support.adoc[]
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**** xref:core/aop/ataspectj/example.adoc[]
*** xref:core/aop/schema.adoc[]
*** xref:core/aop/choosing.adoc[]
*** xref:core/aop/mixing-styles.adoc[]
*** xref:core/aop/proxying.adoc[]
*** xref:core/aop/aspectj-programmatic.adoc[]
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*** xref:core/appendix/application-startup-steps.adoc[]
* xref:data-access.adoc[]
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** xref:data-access/dao.adoc[]
** xref:data-access/jdbc.adoc[]
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*** xref:data-access/jdbc/core.adoc[]
*** xref:data-access/jdbc/connections.adoc[]
*** xref:data-access/jdbc/advanced.adoc[]
*** xref:data-access/jdbc/simple.adoc[]
*** xref:data-access/jdbc/object.adoc[]
*** xref:data-access/jdbc/parameter-handling.adoc[]
*** xref:data-access/jdbc/embedded-database-support.adoc[]
*** xref:data-access/jdbc/initializing-datasource.adoc[]
** xref:data-access/r2dbc.adoc[]
** xref:data-access/orm.adoc[]
*** xref:data-access/orm/introduction.adoc[]
*** xref:data-access/orm/general.adoc[]
*** xref:data-access/orm/hibernate.adoc[]
*** xref:data-access/orm/jpa.adoc[]
** xref:data-access/oxm.adoc[]
** xref:data-access/appendix.adoc[]
* xref:web.adoc[]
** xref:web/webmvc.adoc[]
*** xref:web/webmvc/mvc-servlet.adoc[]
**** xref:web/webmvc/mvc-servlet/context-hierarchy.adoc[]
**** xref:web/webmvc/mvc-servlet/special-bean-types.adoc[]
**** xref:web/webmvc/mvc-servlet/config.adoc[]
**** xref:web/webmvc/mvc-servlet/container-config.adoc[]
**** xref:web/webmvc/mvc-servlet/sequence.adoc[]
**** xref:web/webmvc/mvc-servlet/handlermapping-path.adoc[]
**** xref:web/webmvc/mvc-servlet/handlermapping-interceptor.adoc[]
**** xref:web/webmvc/mvc-servlet/exceptionhandlers.adoc[]
**** xref:web/webmvc/mvc-servlet/viewresolver.adoc[]
**** xref:web/webmvc/mvc-servlet/localeresolver.adoc[]
**** xref:web/webmvc/mvc-servlet/multipart.adoc[]
**** xref:web/webmvc/mvc-servlet/logging.adoc[]
*** xref:web/webmvc/filters.adoc[]
*** xref:web/webmvc/message-converters.adoc[]
*** xref:web/webmvc/mvc-controller.adoc[]
**** xref:web/webmvc/mvc-controller/ann.adoc[]
**** xref:web/webmvc/mvc-controller/ann-requestmapping.adoc[]
**** xref:web/webmvc/mvc-controller/ann-methods.adoc[]
***** xref:web/webmvc/mvc-controller/ann-methods/arguments.adoc[]
***** xref:web/webmvc/mvc-controller/ann-methods/return-types.adoc[]
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***** xref:web/webmvc/mvc-controller/ann-methods/matrix-variables.adoc[]
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**** xref:web/webmvc/mvc-controller/ann-modelattrib-methods.adoc[]
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**** xref:web/webmvc/mvc-controller/ann-exceptionhandler.adoc[]
**** xref:web/webmvc/mvc-controller/ann-advice.adoc[]
*** xref:web/webmvc-functional.adoc[]
*** xref:web/webmvc/mvc-uri-building.adoc[]
*** xref:web/webmvc/mvc-ann-async.adoc[]
*** xref:web/webmvc/mvc-range.adoc[]
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*** xref:web/webmvc/mvc-ann-rest-exceptions.adoc[]
*** xref:web/webmvc/mvc-security.adoc[]
*** xref:web/webmvc/mvc-caching.adoc[]
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**** xref:web/webmvc-view/mvc-thymeleaf.adoc[]
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**** xref:web/webmvc-view/mvc-jsp.adoc[]
**** xref:web/webmvc-view/mvc-feeds.adoc[]
**** xref:web/webmvc-view/mvc-document.adoc[]
**** xref:web/webmvc-view/mvc-jackson.adoc[]
**** xref:web/webmvc-view/mvc-xml-marshalling.adoc[]
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*** xref:web/webmvc/mvc-config.adoc[]
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**** xref:web/webmvc/mvc-config/api-version.adoc[]
**** xref:web/webmvc/mvc-config/advanced-java.adoc[]
**** xref:web/webmvc/mvc-config/advanced-xml.adoc[]
*** xref:web/webmvc/mvc-http2.adoc[]
** xref:web/webmvc-client.adoc[]
** xref:web/webmvc-test.adoc[]
** xref:web/websocket.adoc[]
*** xref:web/websocket/server.adoc[]
*** xref:web/websocket/fallback.adoc[]
*** xref:web/websocket/stomp.adoc[]
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**** xref:web/websocket/stomp/benefits.adoc[]
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**** xref:web/websocket/stomp/testing.adoc[]
* xref:web-reactive.adoc[]
** xref:web/webflux.adoc[]
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** xref:web/webflux-webclient.adoc[]
*** xref:web/webflux-webclient/client-builder.adoc[]
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* {spring-framework-docs-root}/{spring-version}/javadoc-api/[Java API,window=_blank, role=link-external]
* {spring-framework-api-kdoc}/[Kotlin API,window=_blank, role=link-external]
* {spring-framework-wiki}[Wiki, window=_blank, role=link-external]
@@ -1,156 +0,0 @@
[[appendix]]
= Appendix
This part of the reference documentation covers topics that apply to multiple modules
within the core Spring Framework.
[[appendix-spring-properties]]
== Spring Properties
{spring-framework-api}/core/SpringProperties.html[`SpringProperties`] is a static holder
for properties that control certain low-level aspects of the Spring Framework. Users can
configure these properties via JVM system properties or programmatically via the
`SpringProperties.setProperty(String key, String value)` method. The latter may be
necessary if the deployment environment disallows custom JVM system properties. As an
alternative, these properties may be configured in a `spring.properties` file in the root
of the classpath -- for example, deployed within the application's JAR file.
The following table lists all currently supported Spring properties.
.Supported Spring Properties
[cols="1,1"]
|===
| Name | Description
| `spring.aop.ajc.ignore`
| Instructs Spring to ignore ajc-compiled aspects for Spring AOP proxying, restoring traditional
Spring behavior for scenarios where both weaving and AspectJ auto-proxying are enabled. See
{spring-framework-api}++/aop/aspectj/annotation/AbstractAspectJAdvisorFactory.html#IGNORE_AJC_PROPERTY_NAME++[`AbstractAspectJAdvisorFactory`]
for details.
| `spring.aot.enabled`
| Indicates the application should run with AOT generated artifacts. See
xref:core/aot.adoc[Ahead of Time Optimizations] and
{spring-framework-api}++/aot/AotDetector.html#AOT_ENABLED++[`AotDetector`]
for details.
| `spring.beaninfo.ignore`
| Instructs Spring to use the `Introspector.IGNORE_ALL_BEANINFO` mode when calling the
JavaBeans `Introspector`. See
{spring-framework-api}++/beans/StandardBeanInfoFactory.html#IGNORE_BEANINFO_PROPERTY_NAME++[`StandardBeanInfoFactory`]
for details.
| `spring.cache.reactivestreams.ignore`
| Instructs Spring's caching infrastructure to ignore the presence of Reactive Streams,
in particular Reactor's `Mono`/`Flux` in `@Cacheable` method return type declarations. See
{spring-framework-api}++/cache/interceptor/CacheAspectSupport.html#IGNORE_REACTIVESTREAMS_PROPERTY_NAME++[`CacheAspectSupport`]
for details.
| `spring.classformat.ignore`
| Instructs Spring to ignore class format exceptions during classpath scanning, in
particular for unsupported class file versions. See
{spring-framework-api}++/context/annotation/ClassPathScanningCandidateComponentProvider.html#IGNORE_CLASSFORMAT_PROPERTY_NAME++[`ClassPathScanningCandidateComponentProvider`]
for details.
| `spring.context.checkpoint`
| Property that specifies a common context checkpoint. See
xref:integration/checkpoint-restore.adoc#_automatic_checkpointrestore_at_startup[Automatic checkpoint/restore at startup] and
{spring-framework-api}++/context/support/DefaultLifecycleProcessor.html#CHECKPOINT_PROPERTY_NAME++[`DefaultLifecycleProcessor`]
for details.
| `spring.context.exit`
| Property for terminating the JVM when the context reaches a specific phase. See
xref:integration/checkpoint-restore.adoc#_automatic_checkpointrestore_at_startup[Automatic checkpoint/restore at startup] and
{spring-framework-api}++/context/support/DefaultLifecycleProcessor.html#EXIT_PROPERTY_NAME++[`DefaultLifecycleProcessor`]
for details.
| `spring.context.expression.maxLength`
| The maximum length for
xref:core/expressions/evaluation.adoc#expressions-parser-configuration[Spring Expression Language]
expressions used in XML bean definitions, `@Value`, etc.
| `spring.expression.compiler.mode`
| The mode to use when compiling expressions for the
xref:core/expressions/evaluation.adoc#expressions-compiler-configuration[Spring Expression Language].
| `spring.expression.maxOperations`
| The default maximum number of operations permitted during
xref:core/expressions/evaluation.adoc#expressions-parser-configuration[Spring Expression Language]
expression evaluation.
| `spring.getenv.ignore`
| Instructs Spring to ignore operating system environment variables if a Spring
`Environment` property -- for example, a placeholder in a configuration String -- isn't
resolvable otherwise. See
{spring-framework-api}++/core/env/AbstractEnvironment.html#IGNORE_GETENV_PROPERTY_NAME++[`AbstractEnvironment`]
for details.
| `spring.http.response.flush.enabled`
| Configures the Spring MVC `ServletServerHttpResponse` to allow flushing on the `OutputStream`
returned by `ServletServerHttpResponse#getBody()`. By default, such flush calls are ignored and
only `ServletServerHttpResponse#flush()` will actually flush the response to the network.
| `spring.jdbc.getParameterType.ignore`
| Instructs Spring to ignore `java.sql.ParameterMetaData.getParameterType` completely.
See the note in xref:data-access/jdbc/advanced.adoc#jdbc-batch-list[Batch Operations with a List of Objects].
| `spring.jndi.ignore`
| Instructs Spring to ignore a default JNDI environment, as an optimization for scenarios
where nothing is ever to be found for such JNDI fallback searches to begin with, avoiding
the repeated JNDI lookup overhead. See
{spring-framework-api}++/jndi/JndiLocatorDelegate.html#IGNORE_JNDI_PROPERTY_NAME++[`JndiLocatorDelegate`]
for details.
| `spring.locking.strict`
| Instructs Spring to enforce strict locking during bean creation, rather than the mix of
strict and lenient locking that 6.2 applies by default. See
{spring-framework-api}++/beans/factory/support/DefaultListableBeanFactory.html#STRICT_LOCKING_PROPERTY_NAME++[`DefaultListableBeanFactory`]
for details.
| `spring.objenesis.ignore`
| Instructs Spring to ignore Objenesis, not even attempting to use it. See
{spring-framework-api}++/objenesis/SpringObjenesis.html#IGNORE_OBJENESIS_PROPERTY_NAME++[`SpringObjenesis`]
for details.
| `spring.placeholder.escapeCharacter.default`
| The default escape character for property placeholder support. If not set, `'\'` will
be used. Can be set to a custom escape character or an empty string to disable support
for an escape character. The default escape character be explicitly overridden in
`PropertySourcesPlaceholderConfigurer` and subclasses of `AbstractPropertyResolver`. See
{spring-framework-api}++/core/env/AbstractPropertyResolver.html#DEFAULT_PLACEHOLDER_ESCAPE_CHARACTER_PROPERTY_NAME++[`AbstractPropertyResolver`]
for details.
| `spring.test.aot.processing.failOnError`
| A boolean flag that controls whether errors encountered during AOT processing in the
_Spring TestContext Framework_ should result in an exception that fails the overall process.
See xref:testing/testcontext-framework/aot.adoc[Ahead of Time Support for Tests].
| `spring.test.constructor.autowire.mode`
| The default _test constructor autowire mode_ to use if `@TestConstructor` is not present
on a test class. See xref:testing/annotations/integration-junit-jupiter.adoc#integration-testing-annotations-testconstructor[Changing the default test constructor autowire mode].
| `spring.test.context.cache.maxSize`
| The maximum size of the context cache in the _Spring TestContext Framework_. See
xref:testing/testcontext-framework/ctx-management/caching.adoc[Context Caching].
| `spring.test.context.cache.pause`
| The pause mode for the context cache in the _Spring TestContext Framework_. See
xref:testing/testcontext-framework/ctx-management/context-pausing.adoc[Context Pausing].
| `spring.test.context.failure.threshold`
| The failure threshold for errors encountered while attempting to load an `ApplicationContext`
in the _Spring TestContext Framework_. See
xref:testing/testcontext-framework/ctx-management/failure-threshold.adoc[Context Failure Threshold].
| `spring.test.extension.context.scope`
| The default _extension context scope_ used by the `SpringExtension` in `@Nested` test
class hierarchies. See
xref:testing/annotations/integration-junit-jupiter.adoc#integration-testing-annotations-springextensionconfig[`@SpringExtensionConfig`].
| `spring.test.enclosing.configuration`
| The default _enclosing configuration inheritance mode_ to use if
`@NestedTestConfiguration` is not present on a test class. See
xref:testing/annotations/integration-junit-jupiter.adoc#integration-testing-annotations-nestedtestconfiguration[Changing the default enclosing configuration inheritance mode].
|===
@@ -1,19 +0,0 @@
[[spring-core]]
= Core Technologies
This part of the reference documentation covers all the technologies that are
absolutely integral to the Spring Framework.
Foremost amongst these is the Spring Framework's Inversion of Control (IoC) container.
A thorough treatment of the Spring Framework's IoC container is closely followed by
comprehensive coverage of Spring's Aspect-Oriented Programming (AOP) technologies.
The Spring Framework has its own AOP framework, which is conceptually easy to
understand and which successfully addresses the 80% sweet spot of AOP requirements
in Java enterprise programming.
Coverage of Spring's integration with AspectJ (currently the richest -- in terms of
features -- and certainly most mature AOP implementation in the Java enterprise space)
is also provided.
AOT processing can be used to optimize your application ahead-of-time. It is typically
used for native image deployment using GraalVM.
@@ -1,8 +0,0 @@
[[aop-api]]
= Spring AOP APIs
:page-section-summary-toc: 1
The previous chapter described the Spring's support for AOP with @AspectJ and schema-based
aspect definitions. In this chapter, we discuss the lower-level Spring AOP APIs. For common
applications, we recommend the use of Spring AOP with AspectJ pointcuts as described in the
previous chapter.
@@ -1,575 +0,0 @@
[[aop-api-advice]]
= Advice API in Spring
Now we can examine how Spring AOP handles advice.
[[aop-api-advice-lifecycle]]
== Advice Lifecycles
Each advice is a Spring bean. An advice instance can be shared across all advised
objects or be unique to each advised object. This corresponds to per-class or
per-instance advice.
Per-class advice is used most often. It is appropriate for generic advice, such as
transaction advisors. These do not depend on the state of the proxied object or add new
state. They merely act on the method and arguments.
Per-instance advice is appropriate for introductions, to support mixins. In this case,
the advice adds state to the proxied object.
You can use a mix of shared and per-instance advice in the same AOP proxy.
[[aop-api-advice-types]]
== Advice Types in Spring
Spring provides several advice types and is extensible to support
arbitrary advice types. This section describes the basic concepts and standard advice types.
[[aop-api-advice-around]]
=== Interception Around Advice
The most fundamental advice type in Spring is _interception around advice_.
Spring is compliant with the AOP Alliance interface for around advice that uses method
interception. Classes that implement around advice should therefore implement the
following `MethodInterceptor` interface from the `org.aopalliance.intercept` package:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface MethodInterceptor extends Interceptor {
Object invoke(MethodInvocation invocation) throws Throwable;
}
----
The `MethodInvocation` argument to the `invoke()` method exposes the method being
invoked, the target join point, the AOP proxy, and the arguments to the method. The
`invoke()` method should return the invocation's result: typically the return value of
the join point.
The following example shows a simple `MethodInterceptor` implementation:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public class DebugInterceptor implements MethodInterceptor {
public Object invoke(MethodInvocation invocation) throws Throwable {
System.out.println("Before: invocation=[" + invocation + "]");
Object result = invocation.proceed();
System.out.println("Invocation returned");
return result;
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class DebugInterceptor : MethodInterceptor {
override fun invoke(invocation: MethodInvocation): Any {
println("Before: invocation=[$invocation]")
val result = invocation.proceed()
println("Invocation returned")
return result
}
}
----
======
Note the call to the `proceed()` method of `MethodInvocation`. This proceeds down the
interceptor chain towards the join point. Most interceptors invoke this method and
return its return value. However, a `MethodInterceptor`, like any around advice, can
return a different value or throw an exception rather than invoke the proceed method.
However, you do not want to do this without good reason.
NOTE: `MethodInterceptor` implementations offer interoperability with other AOP Alliance-compliant AOP
implementations. The other advice types discussed in the remainder of this section
implement common AOP concepts but in a Spring-specific way. While there is an advantage
in using the most specific advice type, stick with `MethodInterceptor` around advice if
you are likely to want to run the aspect in another AOP framework. Note that pointcuts
are not currently interoperable between frameworks, and the AOP Alliance does not
currently define pointcut interfaces.
[[aop-api-advice-before]]
=== Before Advice
A simpler advice type is a _before advice_. This does not need a `MethodInvocation`
object, since it is called only before entering the method.
The main advantage of a before advice is that there is no need to invoke the `proceed()`
method and, therefore, no possibility of inadvertently failing to proceed down the
interceptor chain.
The following listing shows the `MethodBeforeAdvice` interface:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface MethodBeforeAdvice extends BeforeAdvice {
void before(Method m, Object[] args, Object target) throws Throwable;
}
----
Note that the return type is `void`. Before advice can insert custom behavior before the join
point runs but cannot change the return value. If a before advice throws an
exception, it stops further execution of the interceptor chain. The exception
propagates back up the interceptor chain. If it is unchecked or on the signature of
the invoked method, it is passed directly to the client. Otherwise, it is
wrapped in an unchecked exception by the AOP proxy.
The following example shows a before advice in Spring, which counts all method invocations:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public class CountingBeforeAdvice implements MethodBeforeAdvice {
private int count;
public void before(Method m, Object[] args, Object target) throws Throwable {
++count;
}
public int getCount() {
return count;
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class CountingBeforeAdvice : MethodBeforeAdvice {
var count: Int = 0
override fun before(m: Method, args: Array<Any>, target: Any?) {
++count
}
}
----
======
TIP: Before advice can be used with any pointcut.
[[aop-api-advice-throws]]
=== Throws Advice
_Throws advice_ is invoked after the return of the join point if the join point threw
an exception. Spring offers typed throws advice. Note that this means that the
`org.springframework.aop.ThrowsAdvice` interface does not contain any methods. It is a
marker interface identifying that the given object implements one or more typed throws
advice methods. These should be in the following form:
[source,java,indent=0,subs="verbatim,quotes"]
----
afterThrowing([Method, args, target], subclassOfThrowable)
----
Only the last argument is required. The method signatures may have either one or four
arguments, depending on whether the advice method is interested in the method and
arguments. The next two listings show classes that are examples of throws advice.
The following advice is invoked if a `RemoteException` is thrown (including subclasses of
`RemoteException`):
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public class RemoteThrowsAdvice implements ThrowsAdvice {
public void afterThrowing(RemoteException ex) throws Throwable {
// Do something with remote exception
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class RemoteThrowsAdvice : ThrowsAdvice {
fun afterThrowing(ex: RemoteException) {
// Do something with remote exception
}
}
----
======
Unlike the preceding advice, the next example declares four arguments, so that it has
access to the invoked method, method arguments, and target object. The following advice
is invoked if a `ServletException` is thrown:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public class ServletThrowsAdviceWithArguments implements ThrowsAdvice {
public void afterThrowing(Method m, Object[] args, Object target, ServletException ex) {
// Do something with all arguments
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class ServletThrowsAdviceWithArguments : ThrowsAdvice {
fun afterThrowing(m: Method, args: Array<Any>, target: Any, ex: ServletException) {
// Do something with all arguments
}
}
----
======
The final example illustrates how these two methods could be used in a single class
that handles both `RemoteException` and `ServletException`. Any number of throws advice
methods can be combined in a single class. The following listing shows the final example:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public static class CombinedThrowsAdvice implements ThrowsAdvice {
public void afterThrowing(RemoteException ex) throws Throwable {
// Do something with remote exception
}
public void afterThrowing(Method m, Object[] args, Object target, ServletException ex) {
// Do something with all arguments
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class CombinedThrowsAdvice : ThrowsAdvice {
fun afterThrowing(ex: RemoteException) {
// Do something with remote exception
}
fun afterThrowing(m: Method, args: Array<Any>, target: Any, ex: ServletException) {
// Do something with all arguments
}
}
----
======
NOTE: If a throws-advice method throws an exception itself, it overrides the
original exception (that is, it changes the exception thrown to the user). The overriding
exception is typically a RuntimeException, which is compatible with any method
signature. However, if a throws-advice method throws a checked exception, it must
match the declared exceptions of the target method and is, hence, to some degree
coupled to specific target method signatures. _Do not throw an undeclared checked
exception that is incompatible with the target method's signature!_
TIP: Throws advice can be used with any pointcut.
[[aop-api-advice-after-returning]]
=== After Returning Advice
An _after returning advice_ in Spring must implement the
`org.springframework.aop.AfterReturningAdvice` interface, which the following listing shows:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface AfterReturningAdvice extends Advice {
void afterReturning(Object returnValue, Method m, Object[] args, Object target)
throws Throwable;
}
----
An after returning advice has access to the return value (which it cannot modify),
the invoked method, the method's arguments, and the target.
The following after returning advice counts all successful method invocations that have
not thrown exceptions:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public class CountingAfterReturningAdvice implements AfterReturningAdvice {
private int count;
public void afterReturning(Object returnValue, Method m, Object[] args, Object target)
throws Throwable {
++count;
}
public int getCount() {
return count;
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class CountingAfterReturningAdvice : AfterReturningAdvice {
var count: Int = 0
private set
override fun afterReturning(returnValue: Any?, m: Method, args: Array<Any>, target: Any?) {
++count
}
}
----
======
This advice does not change the execution path. If it throws an exception, it is
thrown up the interceptor chain instead of the return value.
TIP: After returning advice can be used with any pointcut.
[[aop-api-advice-introduction]]
=== Introduction Advice
Spring treats _introduction advice_ as a special kind of interception advice.
Introduction requires an `IntroductionAdvisor` and an `IntroductionInterceptor` that
implement the following interface:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface IntroductionInterceptor extends MethodInterceptor {
boolean implementsInterface(Class intf);
}
----
The `invoke()` method inherited from the AOP Alliance `MethodInterceptor` interface must
implement the introduction. That is, if the invoked method is on an introduced
interface, the introduction interceptor is responsible for handling the method call -- it
cannot invoke `proceed()`.
Introduction advice cannot be used with any pointcut, as it applies only at the class,
rather than the method, level. You can only use introduction advice with the
`IntroductionAdvisor`, which has the following methods:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface IntroductionAdvisor extends Advisor, IntroductionInfo {
ClassFilter getClassFilter();
void validateInterfaces() throws IllegalArgumentException;
}
public interface IntroductionInfo {
Class<?>[] getInterfaces();
}
----
There is no `MethodMatcher` and, hence, no `Pointcut` associated with introduction
advice. Only class filtering is logical.
The `getInterfaces()` method returns the interfaces introduced by this advisor.
The `validateInterfaces()` method is used internally to see whether or not the
introduced interfaces can be implemented by the configured `IntroductionInterceptor`.
Consider an example from the Spring test suite and suppose we want to
introduce the following interface to one or more objects:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface Lockable {
void lock();
void unlock();
boolean locked();
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
interface Lockable {
fun lock()
fun unlock()
fun locked(): Boolean
}
----
======
This illustrates a mixin. We want to be able to cast advised objects to `Lockable`,
whatever their type and call lock and unlock methods. If we call the `lock()` method, we
want all setter methods to throw a `LockedException`. Thus, we can add an aspect that
provides the ability to make objects immutable without them having any knowledge of it:
a good example of AOP.
First, we need an `IntroductionInterceptor` that does the heavy lifting. In this
case, we extend the `org.springframework.aop.support.DelegatingIntroductionInterceptor`
convenience class. We could implement `IntroductionInterceptor` directly, but using
`DelegatingIntroductionInterceptor` is best for most cases.
The `DelegatingIntroductionInterceptor` is designed to delegate an introduction to an
actual implementation of the introduced interfaces, concealing the use of interception
to do so. You can set the delegate to any object using a constructor argument. The
default delegate (when the no-argument constructor is used) is `this`. Thus, in the next example,
the delegate is the `LockMixin` subclass of `DelegatingIntroductionInterceptor`.
Given a delegate (by default, itself), a `DelegatingIntroductionInterceptor` instance
looks for all interfaces implemented by the delegate (other than
`IntroductionInterceptor`) and supports introductions against any of them.
Subclasses such as `LockMixin` can call the `suppressInterface(Class intf)`
method to suppress interfaces that should not be exposed. However, no matter how many
interfaces an `IntroductionInterceptor` is prepared to support, the
`IntroductionAdvisor` used controls which interfaces are actually exposed. An
introduced interface conceals any implementation of the same interface by the target.
Thus, `LockMixin` extends `DelegatingIntroductionInterceptor` and implements `Lockable`
itself. The superclass automatically picks up that `Lockable` can be supported for
introduction, so we do not need to specify that. We could introduce any number of
interfaces in this way.
Note the use of the `locked` instance variable. This effectively adds additional state
to that held in the target object.
The following example shows the example `LockMixin` class:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public class LockMixin extends DelegatingIntroductionInterceptor implements Lockable {
private boolean locked;
public void lock() {
this.locked = true;
}
public void unlock() {
this.locked = false;
}
public boolean locked() {
return this.locked;
}
public Object invoke(MethodInvocation invocation) throws Throwable {
if (locked() && invocation.getMethod().getName().indexOf("set") == 0) {
throw new LockedException();
}
return super.invoke(invocation);
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class LockMixin : DelegatingIntroductionInterceptor(), Lockable {
private var locked: Boolean = false
fun lock() {
this.locked = true
}
fun unlock() {
this.locked = false
}
fun locked(): Boolean {
return this.locked
}
override fun invoke(invocation: MethodInvocation): Any? {
if (locked() && invocation.method.name.indexOf("set") == 0) {
throw LockedException()
}
return super.invoke(invocation)
}
}
----
======
Often, you need not override the `invoke()` method. The
`DelegatingIntroductionInterceptor` implementation (which calls the `delegate` method if
the method is introduced, otherwise proceeds towards the join point) usually
suffices. In the present case, we need to add a check: no setter method can be invoked
if in locked mode.
The required introduction only needs to hold a distinct
`LockMixin` instance and specify the introduced interfaces (in this case, only
`Lockable`). A more complex example might take a reference to the introduction
interceptor (which would be defined as a prototype). In this case, there is no
configuration relevant for a `LockMixin`, so we create it by using `new`.
The following example shows our `LockMixinAdvisor` class:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
public class LockMixinAdvisor extends DefaultIntroductionAdvisor {
public LockMixinAdvisor() {
super(new LockMixin(), Lockable.class);
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class LockMixinAdvisor : DefaultIntroductionAdvisor(LockMixin(), Lockable::class.java)
----
======
We can apply this advisor very simply, because it requires no configuration. (However, it
is impossible to use an `IntroductionInterceptor` without an
`IntroductionAdvisor`.) As usual with introductions, the advisor must be per-instance,
as it is stateful. We need a different instance of `LockMixinAdvisor`, and hence
`LockMixin`, for each advised object. The advisor comprises part of the advised object's
state.
We can apply this advisor programmatically by using the `Advised.addAdvisor()` method or
(the recommended way) in XML configuration, as any other advisor. All proxy creation
choices discussed below, including "`auto proxy creators,`" correctly handle introductions
and stateful mixins.
@@ -1,144 +0,0 @@
[[aop-api-advised]]
= Manipulating Advised Objects
However you create AOP proxies, you can manipulate them BY using the
`org.springframework.aop.framework.Advised` interface. Any AOP proxy can be cast to this
interface, no matter which other interfaces it implements. This interface includes the
following methods:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
Advisor[] getAdvisors();
void addAdvice(Advice advice) throws AopConfigException;
void addAdvice(int pos, Advice advice) throws AopConfigException;
void addAdvisor(Advisor advisor) throws AopConfigException;
void addAdvisor(int pos, Advisor advisor) throws AopConfigException;
int indexOf(Advisor advisor);
boolean removeAdvisor(Advisor advisor) throws AopConfigException;
void removeAdvisor(int index) throws AopConfigException;
boolean replaceAdvisor(Advisor a, Advisor b) throws AopConfigException;
boolean isFrozen();
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
fun getAdvisors(): Array<Advisor>
@Throws(AopConfigException::class)
fun addAdvice(advice: Advice)
@Throws(AopConfigException::class)
fun addAdvice(pos: Int, advice: Advice)
@Throws(AopConfigException::class)
fun addAdvisor(advisor: Advisor)
@Throws(AopConfigException::class)
fun addAdvisor(pos: Int, advisor: Advisor)
fun indexOf(advisor: Advisor): Int
@Throws(AopConfigException::class)
fun removeAdvisor(advisor: Advisor): Boolean
@Throws(AopConfigException::class)
fun removeAdvisor(index: Int)
@Throws(AopConfigException::class)
fun replaceAdvisor(a: Advisor, b: Advisor): Boolean
fun isFrozen(): Boolean
----
======
The `getAdvisors()` method returns an `Advisor` for every advisor, interceptor, or
other advice type that has been added to the factory. If you added an `Advisor`, the
returned advisor at this index is the object that you added. If you added an
interceptor or other advice type, Spring wrapped this in an advisor with a
pointcut that always returns `true`. Thus, if you added a `MethodInterceptor`, the advisor
returned for this index is a `DefaultPointcutAdvisor` that returns your
`MethodInterceptor` and a pointcut that matches all classes and methods.
The `addAdvisor()` methods can be used to add any `Advisor`. Usually, the advisor holding
pointcut and advice is the generic `DefaultPointcutAdvisor`, which you can use with
any advice or pointcut (but not for introductions).
By default, it is possible to add or remove advisors or interceptors even once a proxy
has been created. The only restriction is that it is impossible to add or remove an
introduction advisor, as existing proxies from the factory do not show the interface
change. (You can obtain a new proxy from the factory to avoid this problem.)
The following example shows casting an AOP proxy to the `Advised` interface and examining and
manipulating its advice:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
Advised advised = (Advised) myObject;
Advisor[] advisors = advised.getAdvisors();
int oldAdvisorCount = advisors.length;
System.out.println(oldAdvisorCount + " advisors");
// Add an advice like an interceptor without a pointcut
// Will match all proxied methods
// Can use for interceptors, before, after returning or throws advice
advised.addAdvice(new DebugInterceptor());
// Add selective advice using a pointcut
advised.addAdvisor(new DefaultPointcutAdvisor(mySpecialPointcut, myAdvice));
assertEquals("Added two advisors", oldAdvisorCount + 2, advised.getAdvisors().length);
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
val advised = myObject as Advised
val advisors = advised.advisors
val oldAdvisorCount = advisors.size
println("$oldAdvisorCount advisors")
// Add an advice like an interceptor without a pointcut
// Will match all proxied methods
// Can use for interceptors, before, after returning or throws advice
advised.addAdvice(DebugInterceptor())
// Add selective advice using a pointcut
advised.addAdvisor(DefaultPointcutAdvisor(mySpecialPointcut, myAdvice))
assertEquals("Added two advisors", oldAdvisorCount + 2, advised.advisors.size)
----
======
NOTE: It is questionable whether it is advisable (no pun intended) to modify advice on a
business object in production, although there are, no doubt, legitimate usage cases.
However, it can be very useful in development (for example, in tests). We have sometimes
found it very useful to be able to add test code in the form of an interceptor or other
advice, getting inside a method invocation that we want to test. (For example, the advice can
get inside a transaction created for that method, perhaps to run SQL to check that
a database was correctly updated, before marking the transaction for roll back.)
Depending on how you created the proxy, you can usually set a `frozen` flag. In that
case, the `Advised` `isFrozen()` method returns `true`, and any attempts to modify
advice through addition or removal results in an `AopConfigException`. The ability
to freeze the state of an advised object is useful in some cases (for example, to
prevent calling code removing a security interceptor).
@@ -1,16 +0,0 @@
[[aop-api-advisor]]
= The Advisor API in Spring
:page-section-summary-toc: 1
In Spring, an Advisor is an aspect that contains only a single advice object associated
with a pointcut expression.
Apart from the special case of introductions, any advisor can be used with any advice.
`org.springframework.aop.support.DefaultPointcutAdvisor` is the most commonly used
advisor class. It can be used with a `MethodInterceptor`, `BeforeAdvice`, or
`ThrowsAdvice`.
It is possible to mix advisor and advice types in Spring in the same AOP proxy. For
example, you could use an interception around advice, throws advice, and before advice in
one proxy configuration. Spring automatically creates the necessary interceptor
chain.
@@ -1,124 +0,0 @@
[[aop-autoproxy]]
= Using the "auto-proxy" facility
So far, we have considered explicit creation of AOP proxies by using a `ProxyFactoryBean` or
similar factory bean.
Spring also lets us use "`auto-proxy`" bean definitions, which can automatically
proxy selected bean definitions. This is built on Spring's "`bean post processor`"
infrastructure, which enables modification of any bean definition as the container loads.
In this model, you set up some special bean definitions in your XML bean definition file
to configure the auto-proxy infrastructure. This lets you declare the targets
eligible for auto-proxying. You need not use `ProxyFactoryBean`.
There are two ways to do this:
* By using an auto-proxy creator that refers to specific beans in the current context.
* A special case of auto-proxy creation that deserves to be considered separately:
auto-proxy creation driven by source-level metadata attributes.
[[aop-autoproxy-choices]]
== Auto-proxy Bean Definitions
This section covers the auto-proxy creators provided by the
`org.springframework.aop.framework.autoproxy` package.
[[aop-api-autoproxy]]
=== `BeanNameAutoProxyCreator`
The `BeanNameAutoProxyCreator` class is a `BeanPostProcessor` that automatically creates
AOP proxies for beans with names that match literal values or wildcards. The following
example shows how to create a `BeanNameAutoProxyCreator` bean:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<property name="beanNames" value="jdk*,onlyJdk"/>
<property name="interceptorNames">
<list>
<value>myInterceptor</value>
</list>
</property>
</bean>
----
As with `ProxyFactoryBean`, there is an `interceptorNames` property rather than a list
of interceptors, to allow correct behavior for prototype advisors. Named "`interceptors`"
can be advisors or any advice type.
As with auto-proxying in general, the main point of using `BeanNameAutoProxyCreator` is
to apply the same configuration consistently to multiple objects, with minimal volume of
configuration. It is a popular choice for applying declarative transactions to multiple
objects.
Bean definitions whose names match, such as `jdkMyBean` and `onlyJdk` in the preceding
example, are plain old bean definitions with the target class. An AOP proxy is
automatically created by the `BeanNameAutoProxyCreator`. The same advice is applied
to all matching beans. Note that, if advisors are used (rather than the interceptor in
the preceding example), the pointcuts may apply differently to different beans.
[[aop-api-autoproxy-default]]
=== `DefaultAdvisorAutoProxyCreator`
A more general and extremely powerful auto-proxy creator is
`DefaultAdvisorAutoProxyCreator`. This automagically applies eligible advisors in the
current context, without the need to include specific bean names in the auto-proxy
advisor's bean definition. It offers the same merit of consistent configuration and
avoidance of duplication as `BeanNameAutoProxyCreator`.
Using this mechanism involves:
* Specifying a `DefaultAdvisorAutoProxyCreator` bean definition.
* Specifying any number of advisors in the same or related contexts. Note that these
must be advisors, not interceptors or other advice. This is necessary,
because there must be a pointcut to evaluate, to check the eligibility of each advice
to candidate bean definitions.
The `DefaultAdvisorAutoProxyCreator` automatically evaluates the pointcut contained
in each advisor, to see what (if any) advice it should apply to each business object
(such as `businessObject1` and `businessObject2` in the example).
This means that any number of advisors can be applied automatically to each business
object. If no pointcut in any of the advisors matches any method in a business object,
the object is not proxied. As bean definitions are added for new business objects,
they are automatically proxied if necessary.
Auto-proxying in general has the advantage of making it impossible for callers or
dependencies to obtain an un-advised object. Calling `getBean("businessObject1")` on this
`ApplicationContext` returns an AOP proxy, not the target business object. (The "`inner
bean`" idiom shown earlier also offers this benefit.)
The following example creates a `DefaultAdvisorAutoProxyCreator` bean and the other
elements discussed in this section:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"/>
<bean class="org.springframework.transaction.interceptor.TransactionAttributeSourceAdvisor">
<property name="transactionInterceptor" ref="transactionInterceptor"/>
</bean>
<bean id="customAdvisor" class="com.mycompany.MyAdvisor"/>
<bean id="businessObject1" class="com.mycompany.BusinessObject1">
<!-- Properties omitted -->
</bean>
<bean id="businessObject2" class="com.mycompany.BusinessObject2"/>
----
The `DefaultAdvisorAutoProxyCreator` is very useful if you want to apply the same advice
consistently to many business objects. Once the infrastructure definitions are in place,
you can add new business objects without including specific proxy configuration.
You can also easily drop in additional aspects (for example, tracing or
performance monitoring aspects) with minimal change to configuration.
The `DefaultAdvisorAutoProxyCreator` offers support for filtering (by using a naming
convention so that only certain advisors are evaluated, which allows the use of multiple,
differently configured, AdvisorAutoProxyCreators in the same factory) and ordering.
Advisors can implement the `org.springframework.core.Ordered` interface to ensure
correct ordering if this is an issue. The `TransactionAttributeSourceAdvisor` used in the
preceding example has a configurable order value. The default setting is unordered.
@@ -1,67 +0,0 @@
[[aop-concise-proxy]]
= Concise Proxy Definitions
Especially when defining transactional proxies, you may end up with many similar proxy
definitions. The use of parent and child bean definitions, along with inner bean
definitions, can result in much cleaner and more concise proxy definitions.
First, we create a parent, template, bean definition for the proxy, as follows:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="txProxyTemplate" abstract="true"
class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<property name="transactionManager" ref="transactionManager"/>
<property name="transactionAttributes">
<props>
<prop key="*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
----
This is never instantiated itself, so it can actually be incomplete. Then, each proxy
that needs to be created is a child bean definition, which wraps the target of the
proxy as an inner bean definition, since the target is never used on its own anyway.
The following example shows such a child bean:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="myService" parent="txProxyTemplate">
<property name="target">
<bean class="org.springframework.samples.MyServiceImpl">
</bean>
</property>
</bean>
----
You can override properties from the parent template. In the following example,
we override the transaction propagation settings:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="mySpecialService" parent="txProxyTemplate">
<property name="target">
<bean class="org.springframework.samples.MySpecialServiceImpl">
</bean>
</property>
<property name="transactionAttributes">
<props>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="load*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="store*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
----
Note that in the parent bean example, we explicitly marked the parent bean definition as
being abstract by setting the `abstract` attribute to `true`, as described
xref:core/beans/child-bean-definitions.adoc[previously], so that it may not actually ever be
instantiated. Application contexts (but not simple bean factories), by default,
pre-instantiate all singletons. Therefore, it is important (at least for singleton beans)
that, if you have a (parent) bean definition that you intend to use only as a template,
and this definition specifies a class, you must make sure to set the `abstract`
attribute to `true`. Otherwise, the application context actually tries to
pre-instantiate it.
@@ -1,16 +0,0 @@
[[aop-extensibility]]
= Defining New Advice Types
:page-section-summary-toc: 1
Spring AOP is designed to be extensible. While the interception implementation strategy
is presently used internally, it is possible to support arbitrary advice types in
addition to the interception around advice, before, throws advice, and
after returning advice.
The `org.springframework.aop.framework.adapter` package is an SPI package that lets
support for new custom advice types be added without changing the core framework.
The only constraint on a custom `Advice` type is that it must implement the
`org.aopalliance.aop.Advice` marker interface.
See the {spring-framework-api}/aop/framework/adapter/package-summary.html[`org.springframework.aop.framework.adapter`]
javadoc for further information.
@@ -1,321 +0,0 @@
[[aop-pfb]]
= Using the `ProxyFactoryBean` to Create AOP Proxies
If you use the Spring IoC container (an `ApplicationContext` or `BeanFactory`) for your
business objects (and you should be!), you want to use one of Spring's AOP
`FactoryBean` implementations. (Remember that a factory bean introduces a layer of indirection, letting
it create objects of a different type.)
NOTE: The Spring AOP support also uses factory beans under the covers.
The basic way to create an AOP proxy in Spring is to use the
`org.springframework.aop.framework.ProxyFactoryBean`. This gives complete control over
the pointcuts, any advice that applies, and their ordering. However, there are simpler
options that are preferable if you do not need such control.
[[aop-pfb-1]]
== Basics
The `ProxyFactoryBean`, like other Spring `FactoryBean` implementations, introduces a
level of indirection. If you define a `ProxyFactoryBean` named `foo`, objects that
reference `foo` do not see the `ProxyFactoryBean` instance itself but an object
created by the implementation of the `getObject()` method in the `ProxyFactoryBean` . This
method creates an AOP proxy that wraps a target object.
One of the most important benefits of using a `ProxyFactoryBean` or another IoC-aware
class to create AOP proxies is that advice and pointcuts can also be
managed by IoC. This is a powerful feature, enabling certain approaches that are hard to
achieve with other AOP frameworks. For example, an advice may itself reference
application objects (besides the target, which should be available in any AOP
framework), benefiting from all the pluggability provided by Dependency Injection.
[[aop-pfb-2]]
== JavaBean Properties
In common with most `FactoryBean` implementations provided with Spring, the
`ProxyFactoryBean` class is itself a JavaBean. Its properties are used to:
* Specify the target you want to proxy.
* Specify whether to use CGLIB (described later and see also xref:core/aop-api/pfb.adoc#aop-pfb-proxy-types[JDK- and CGLIB-based proxies]).
Some key properties are inherited from `org.springframework.aop.framework.ProxyConfig`
(the superclass for all AOP proxy factories in Spring). These key properties include
the following:
* `proxyTargetClass`: `true` if the target class is to be proxied, rather than the
target class's interfaces. If this property value is set to `true`, then CGLIB proxies
are created (but see also xref:core/aop-api/pfb.adoc#aop-pfb-proxy-types[JDK- and CGLIB-based proxies]).
* `optimize`: Controls whether or not aggressive optimizations are applied to proxies
created through CGLIB. You should not blithely use this setting unless you fully
understand how the relevant AOP proxy handles optimization. This is currently used
only for CGLIB proxies. It has no effect with JDK dynamic proxies.
* `frozen`: If a proxy configuration is `frozen`, changes to the configuration are
no longer allowed. This is useful both as a slight optimization and for those cases
when you do not want callers to be able to manipulate the proxy (through the `Advised`
interface) after the proxy has been created. The default value of this property is
`false`, so changes (such as adding additional advice) are allowed.
* `exposeProxy`: Determines whether or not the current proxy should be exposed in a
`ThreadLocal` so that it can be accessed by the target. If a target needs to obtain
the proxy and the `exposeProxy` property is set to `true`, the target can use the
`AopContext.currentProxy()` method.
Other properties specific to `ProxyFactoryBean` include the following:
* `proxyInterfaces`: An array of `String` interface names. If this is not supplied, a CGLIB
proxy for the target class is used (but see also xref:core/aop-api/pfb.adoc#aop-pfb-proxy-types[JDK- and CGLIB-based proxies]).
* `interceptorNames`: A `String` array of `Advisor`, interceptor, or other advice names to
apply. Ordering is significant, on a first come-first served basis. That is to say
that the first interceptor in the list is the first to be able to intercept the
invocation.
+
The names are bean names in the current factory, including bean names from ancestor
factories. You cannot mention bean references here, since doing so results in the
`ProxyFactoryBean` ignoring the singleton setting of the advice.
+
You can append an interceptor name with an asterisk (`*`). Doing so results in the
application of all advisor beans with names that start with the part before the asterisk
to be applied. You can find an example of using this feature in xref:core/aop-api/pfb.adoc#aop-global-advisors[Using "`Global`" Advisors].
* singleton: Whether or not the factory should return a single object, no matter how
often the `getObject()` method is called. Several `FactoryBean` implementations offer
such a method. The default value is `true`. If you want to use stateful advice - for
example, for stateful mixins - use prototype advice along with a singleton value of
`false`.
[[aop-pfb-proxy-types]]
== JDK- and CGLIB-based proxies
This section serves as the definitive documentation on how the `ProxyFactoryBean`
chooses to create either a JDK-based proxy or a CGLIB-based proxy for a particular target
object (which is to be proxied).
NOTE: The behavior of the `ProxyFactoryBean` with regard to creating JDK- or CGLIB-based
proxies changed between versions 1.2.x and 2.0 of Spring. The `ProxyFactoryBean` now
exhibits similar semantics with regard to auto-detecting interfaces as those of the
`TransactionProxyFactoryBean` class.
If the class of a target object that is to be proxied (hereafter simply referred to as
the target class) does not implement any interfaces, a CGLIB-based proxy is
created. This is the easiest scenario, because JDK proxies are interface-based, and no
interfaces means JDK proxying is not even possible. You can plug in the target bean
and specify the list of interceptors by setting the `interceptorNames` property. Note that a
CGLIB-based proxy is created even if the `proxyTargetClass` property of the
`ProxyFactoryBean` has been set to `false`. (Doing so makes no sense and is best
removed from the bean definition, because it is, at best, redundant, and, at worst
confusing.)
If the target class implements one (or more) interfaces, the type of proxy that is
created depends on the configuration of the `ProxyFactoryBean`.
If the `proxyTargetClass` property of the `ProxyFactoryBean` has been set to `true`,
a CGLIB-based proxy is created. This makes sense and is in keeping with the
principle of least surprise. Even if the `proxyInterfaces` property of the
`ProxyFactoryBean` has been set to one or more fully qualified interface names, the fact
that the `proxyTargetClass` property is set to `true` causes CGLIB-based
proxying to be in effect.
If the `proxyInterfaces` property of the `ProxyFactoryBean` has been set to one or more
fully qualified interface names, a JDK-based proxy is created. The created
proxy implements all of the interfaces that were specified in the `proxyInterfaces`
property. If the target class happens to implement a whole lot more interfaces than
those specified in the `proxyInterfaces` property, that is all well and good, but those
additional interfaces are not implemented by the returned proxy.
If the `proxyInterfaces` property of the `ProxyFactoryBean` has not been set, but
the target class does implement one (or more) interfaces, the
`ProxyFactoryBean` auto-detects the fact that the target class does actually
implement at least one interface, and a JDK-based proxy is created. The interfaces
that are actually proxied are all of the interfaces that the target class
implements. In effect, this is the same as supplying a list of each and every
interface that the target class implements to the `proxyInterfaces` property. However,
it is significantly less work and less prone to typographical errors.
[[aop-api-proxying-intf]]
== Proxying Interfaces
Consider a simple example of `ProxyFactoryBean` in action. This example involves:
* A target bean that is proxied. This is the `personTarget` bean definition in
the example.
* An `Advisor` and an `Interceptor` used to provide advice.
* An AOP proxy bean definition to specify the target object (the `personTarget` bean),
the interfaces to proxy, and the advice to apply.
The following listing shows the example:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="personTarget" class="com.mycompany.PersonImpl">
<property name="name" value="Tony"/>
<property name="age" value="51"/>
</bean>
<bean id="myAdvisor" class="com.mycompany.MyAdvisor">
<property name="someProperty" value="Custom string property value"/>
</bean>
<bean id="debugInterceptor" class="org.springframework.aop.interceptor.DebugInterceptor">
</bean>
<bean id="person"
class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="proxyInterfaces" value="com.mycompany.Person"/>
<property name="target" ref="personTarget"/>
<property name="interceptorNames">
<list>
<value>myAdvisor</value>
<value>debugInterceptor</value>
</list>
</property>
</bean>
----
Note that the `interceptorNames` property takes a list of `String`, which holds the bean names of the
interceptors or advisors in the current factory. You can use advisors, interceptors, before, after
returning, and throws advice objects. The ordering of advisors is significant.
NOTE: You might be wondering why the list does not hold bean references. The reason for this is
that, if the singleton property of the `ProxyFactoryBean` is set to `false`, it must be able to
return independent proxy instances. If any of the advisors is itself a prototype, an
independent instance would need to be returned, so it is necessary to be able to obtain
an instance of the prototype from the factory. Holding a reference is not sufficient.
The `person` bean definition shown earlier can be used in place of a `Person` implementation, as
follows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
Person person = (Person) factory.getBean("person");
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
val person = factory.getBean("person") as Person
----
======
Other beans in the same IoC context can express a strongly typed dependency on it, as
with an ordinary Java object. The following example shows how to do so:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="personUser" class="com.mycompany.PersonUser">
<property name="person"><ref bean="person"/></property>
</bean>
----
The `PersonUser` class in this example exposes a property of type `Person`. As far as
it is concerned, the AOP proxy can be used transparently in place of a "`real`" person
implementation. However, its class would be a dynamic proxy class. It would be possible
to cast it to the `Advised` interface (discussed later).
You can conceal the distinction between target and proxy by using an anonymous
inner bean. Only the `ProxyFactoryBean` definition is different. The
advice is included only for completeness. The following example shows how to use an
anonymous inner bean:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="myAdvisor" class="com.mycompany.MyAdvisor">
<property name="someProperty" value="Custom string property value"/>
</bean>
<bean id="debugInterceptor" class="org.springframework.aop.interceptor.DebugInterceptor"/>
<bean id="person" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="proxyInterfaces" value="com.mycompany.Person"/>
<!-- Use inner bean, not local reference to target -->
<property name="target">
<bean class="com.mycompany.PersonImpl">
<property name="name" value="Tony"/>
<property name="age" value="51"/>
</bean>
</property>
<property name="interceptorNames">
<list>
<value>myAdvisor</value>
<value>debugInterceptor</value>
</list>
</property>
</bean>
----
Using an anonymous inner bean has the advantage that there is only one object of type `Person`. This is useful if we want
to prevent users of the application context from obtaining a reference to the un-advised
object or need to avoid any ambiguity with Spring IoC autowiring. There is also,
arguably, an advantage in that the `ProxyFactoryBean` definition is self-contained.
However, there are times when being able to obtain the un-advised target from the
factory might actually be an advantage (for example, in certain test scenarios).
[[aop-api-proxying-class]]
== Proxying Classes
What if you need to proxy a class, rather than one or more interfaces?
Imagine that in our earlier example, there was no `Person` interface. We needed to advise
a class called `Person` that did not implement any business interface. In this case, you
can configure Spring to use CGLIB proxying rather than dynamic proxies. To do so, set the
`proxyTargetClass` property on the `ProxyFactoryBean` shown earlier to `true`. While it is best to
program to interfaces rather than classes, the ability to advise classes that do not
implement interfaces can be useful when working with legacy code. (In general, Spring
is not prescriptive. While it makes it easy to apply good practices, it avoids forcing a
particular approach.)
If you want to, you can force the use of CGLIB in any case, even if you do have
interfaces.
CGLIB proxying works by generating a subclass of the target class at runtime. Spring
configures this generated subclass to delegate method calls to the original target. The
subclass is used to implement the Decorator pattern, weaving in the advice.
CGLIB proxying should generally be transparent to users. However, there are some issues
to consider:
* `final` classes cannot be proxied, because they cannot be extended.
* `final` methods cannot be advised, because they cannot be overridden.
* `private` methods cannot be advised, because they cannot be overridden.
* Methods that are not visible, typically package private methods in a parent class
from a different package, cannot be advised because they are effectively private.
NOTE: There is no need to add CGLIB to your classpath. CGLIB is repackaged and included
in the `spring-core` JAR. In other words, CGLIB-based AOP works "out of the box", as do
JDK dynamic proxies.
There is little performance difference between CGLIB proxies and dynamic proxies.
Performance should not be a decisive consideration in this case.
[[aop-global-advisors]]
== Using "`Global`" Advisors
By appending an asterisk to an interceptor name, all advisors with bean names that match
the part before the asterisk are added to the advisor chain. This can come in handy
if you need to add a standard set of "`global`" advisors. The following example defines
two global advisors:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="proxy" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="target" ref="service"/>
<property name="interceptorNames">
<list>
<value>global*</value>
</list>
</property>
</bean>
<bean id="global_debug" class="org.springframework.aop.interceptor.DebugInterceptor"/>
<bean id="global_performance" class="org.springframework.aop.interceptor.PerformanceMonitorInterceptor"/>
----
@@ -1,219 +0,0 @@
[[aop-api-pointcuts]]
= Pointcut API in Spring
This section describes how Spring handles the crucial pointcut concept.
[[aop-api-concepts]]
== Concepts
Spring's pointcut model enables pointcut reuse independent of advice types. You can
target different advice with the same pointcut.
The `org.springframework.aop.Pointcut` interface is the central interface, used to
target advice to particular classes and methods. The complete interface follows:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface Pointcut {
ClassFilter getClassFilter();
MethodMatcher getMethodMatcher();
}
----
Splitting the `Pointcut` interface into two parts allows reuse of class and method
matching parts and fine-grained composition operations (such as performing a "`union`"
with another method matcher).
The `ClassFilter` interface is used to restrict the pointcut to a given set of target
classes. If the `matches()` method always returns true, all target classes are
matched. The following listing shows the `ClassFilter` interface definition:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface ClassFilter {
boolean matches(Class clazz);
}
----
The `MethodMatcher` interface is normally more important. The complete interface follows:
[source,java,indent=0,subs="verbatim,quotes"]
----
public interface MethodMatcher {
boolean matches(Method m, Class<?> targetClass);
boolean isRuntime();
boolean matches(Method m, Class<?> targetClass, Object... args);
}
----
The `matches(Method, Class)` method is used to test whether this pointcut ever
matches a given method on a target class. This evaluation can be performed when an AOP
proxy is created to avoid the need for a test on every method invocation. If the
two-argument `matches` method returns `true` for a given method, and the `isRuntime()`
method for the MethodMatcher returns `true`, the three-argument matches method is
invoked on every method invocation. This lets a pointcut look at the arguments passed
to the method invocation immediately before the target advice starts.
Most `MethodMatcher` implementations are static, meaning that their `isRuntime()` method
returns `false`. In this case, the three-argument `matches` method is never invoked.
TIP: If possible, try to make pointcuts static, allowing the AOP framework to cache the
results of pointcut evaluation when an AOP proxy is created.
[[aop-api-pointcut-ops]]
== Operations on Pointcuts
Spring supports operations (notably, union and intersection) on pointcuts.
Union means the methods that either pointcut matches.
Intersection means the methods that both pointcuts match.
Union is usually more useful.
You can compose pointcuts by using the static methods in the
`org.springframework.aop.support.Pointcuts` class or by using the
`ComposablePointcut` class in the same package. However, using AspectJ pointcut
expressions is usually a simpler approach.
[[aop-api-pointcuts-aspectj]]
== AspectJ Expression Pointcuts
Since 2.0, the most important type of pointcut used by Spring is
`org.springframework.aop.aspectj.AspectJExpressionPointcut`. This is a pointcut that
uses an AspectJ-supplied library to parse an AspectJ pointcut expression string.
See the xref:core/aop.adoc[previous chapter] for a discussion of supported AspectJ pointcut primitives.
[[aop-api-pointcuts-impls]]
== Convenience Pointcut Implementations
Spring provides several convenient pointcut implementations. You can use some of them
directly; others are intended to be subclassed in application-specific pointcuts.
[[aop-api-pointcuts-static]]
=== Static Pointcuts
Static pointcuts are based on the method and the target class and cannot take into account
the method's arguments. Static pointcuts suffice -- and are best -- for most usages.
Spring can evaluate a static pointcut only once, when a method is first invoked.
After that, there is no need to evaluate the pointcut again with each method invocation.
The rest of this section describes some of the static pointcut implementations that are
included with Spring.
[[aop-api-pointcuts-regex]]
==== Regular Expression Pointcuts
One obvious way to specify static pointcuts is regular expressions. Several AOP
frameworks besides Spring make this possible.
`org.springframework.aop.support.JdkRegexpMethodPointcut` is a generic regular
expression pointcut that uses the regular expression support in the JDK.
With the `JdkRegexpMethodPointcut` class, you can provide a list of pattern strings.
If any of these is a match, the pointcut evaluates to `true`. (As a consequence,
the resulting pointcut is effectively the union of the specified patterns.)
The following example shows how to use `JdkRegexpMethodPointcut`:
include-code::./JdkRegexpConfiguration[tag=snippet,indent=0]
Spring provides a convenience class named `RegexpMethodPointcutAdvisor`, which lets us
also reference an `Advice` (remember that an `Advice` can be an interceptor, before advice,
throws advice, and others). Behind the scenes, Spring uses a `JdkRegexpMethodPointcut`.
Using `RegexpMethodPointcutAdvisor` simplifies wiring, as the one bean encapsulates both
pointcut and advice, as the following example shows:
include-code::./RegexpConfiguration[tag=snippet,indent=0]
You can use `RegexpMethodPointcutAdvisor` with any `Advice` type.
[[aop-api-pointcuts-attribute-driven]]
==== Attribute-driven Pointcuts
An important type of static pointcut is a metadata-driven pointcut. This uses the
values of metadata attributes (typically, source-level metadata).
[[aop-api-pointcuts-dynamic]]
=== Dynamic pointcuts
Dynamic pointcuts are costlier to evaluate than static pointcuts. They take into account
method arguments as well as static information. This means that they must be
evaluated with every method invocation and that the result cannot be cached, as arguments will
vary.
The main example is the `control flow` pointcut.
[[aop-api-pointcuts-cflow]]
==== Control Flow Pointcuts
Spring control flow pointcuts are conceptually similar to AspectJ `cflow` pointcuts,
although less powerful. (There is currently no way to specify that a pointcut runs
below a join point matched by another pointcut.) A control flow pointcut matches the
current call stack. For example, it might fire if the join point was invoked by a method
in the `com.mycompany.web` package or by the `SomeCaller` class. Control flow pointcuts
are specified by using the `org.springframework.aop.support.ControlFlowPointcut` class.
NOTE: Control flow pointcuts are significantly more expensive to evaluate at runtime than even
other dynamic pointcuts. In Java 1.4, the cost is about five times that of other dynamic
pointcuts.
[[aop-api-pointcuts-superclasses]]
== Pointcut Superclasses
Spring provides useful pointcut superclasses to help you to implement your own pointcuts.
Because static pointcuts are most useful, you should probably subclass
`StaticMethodMatcherPointcut`. This requires implementing only one
abstract method (although you can override other methods to customize behavior). The
following example shows how to subclass `StaticMethodMatcherPointcut`:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
class TestStaticPointcut extends StaticMethodMatcherPointcut {
public boolean matches(Method m, Class targetClass) {
// return true if custom criteria match
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
class TestStaticPointcut : StaticMethodMatcherPointcut() {
override fun matches(method: Method, targetClass: Class<*>): Boolean {
// return true if custom criteria match
}
}
----
======
There are also superclasses for dynamic pointcuts.
You can use custom pointcuts with any advice type.
[[aop-api-pointcuts-custom]]
== Custom Pointcuts
Because pointcuts in Spring AOP are Java classes rather than language features (as in
AspectJ), you can declare custom pointcuts, whether static or dynamic. Custom
pointcuts in Spring can be arbitrarily complex. However, we recommend using the AspectJ pointcut
expression language, if you can.
NOTE: Later versions of Spring may offer support for "`semantic pointcuts`" as offered by JAC --
for example, "`all methods that change instance variables in the target object.`"
@@ -1,54 +0,0 @@
[[aop-prog]]
= Creating AOP Proxies Programmatically with the `ProxyFactory`
It is easy to create AOP proxies programmatically with Spring. This lets you use
Spring AOP without dependency on Spring IoC.
The interfaces implemented by the target object are
automatically proxied. The following listing shows creation of a proxy for a target object, with one
interceptor and one advisor:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
ProxyFactory factory = new ProxyFactory(myBusinessInterfaceImpl);
factory.addAdvice(myMethodInterceptor);
factory.addAdvisor(myAdvisor);
MyBusinessInterface tb = (MyBusinessInterface) factory.getProxy();
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
val factory = ProxyFactory(myBusinessInterfaceImpl)
factory.addAdvice(myMethodInterceptor)
factory.addAdvisor(myAdvisor)
val tb = factory.proxy as MyBusinessInterface
----
======
The first step is to construct an object of type
`org.springframework.aop.framework.ProxyFactory`. You can create this with a target
object, as in the preceding example, or specify the interfaces to be proxied in an alternate
constructor.
You can add advice (with interceptors as a specialized kind of advice), advisors, or both
and manipulate them for the life of the `ProxyFactory`. If you add an
`IntroductionInterceptionAroundAdvisor`, you can cause the proxy to implement additional
interfaces.
There are also convenience methods on `ProxyFactory` (inherited from `AdvisedSupport`)
that let you add other advice types, such as before and throws advice.
`AdvisedSupport` is the superclass of both `ProxyFactory` and `ProxyFactoryBean`.
TIP: Integrating AOP proxy creation with the IoC framework is best practice in most
applications. We recommend that you externalize configuration from Java code with AOP,
as you should in general.
@@ -1,222 +0,0 @@
[[aop-targetsource]]
= Using `TargetSource` Implementations
Spring offers the concept of a `TargetSource`, expressed in the
`org.springframework.aop.TargetSource` interface. This interface is responsible for
returning the "`target object`" that implements the join point. The `TargetSource`
implementation is asked for a target instance each time the AOP proxy handles a method
invocation.
Developers who use Spring AOP do not normally need to work directly with `TargetSource` implementations, but
this provides a powerful means of supporting pooling, hot swappable, and other
sophisticated targets. For example, a pooling `TargetSource` can return a different target
instance for each invocation, by using a pool to manage instances.
If you do not specify a `TargetSource`, a default implementation is used to wrap a
local object. The same target is returned for each invocation (as you would expect).
The rest of this section describes the standard target sources provided with Spring and how you can use them.
TIP: When using a custom target source, your target will usually need to be a prototype
rather than a singleton bean definition. This allows Spring to create a new target
instance when required.
[[aop-ts-swap]]
== Hot-swappable Target Sources
The `org.springframework.aop.target.HotSwappableTargetSource` exists to let the target
of an AOP proxy be switched while letting callers keep their references to it.
Changing the target source's target takes effect immediately. The
`HotSwappableTargetSource` is thread-safe.
You can change the target by using the `swap()` method on HotSwappableTargetSource, as the follow example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
HotSwappableTargetSource swapper = (HotSwappableTargetSource) beanFactory.getBean("swapper");
Object oldTarget = swapper.swap(newTarget);
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
val swapper = beanFactory.getBean("swapper") as HotSwappableTargetSource
val oldTarget = swapper.swap(newTarget)
----
======
The following example shows the required XML definitions:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="initialTarget" class="mycompany.OldTarget"/>
<bean id="swapper" class="org.springframework.aop.target.HotSwappableTargetSource">
<constructor-arg ref="initialTarget"/>
</bean>
<bean id="swappable" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="targetSource" ref="swapper"/>
</bean>
----
The preceding `swap()` call changes the target of the swappable bean. Clients that hold a
reference to that bean are unaware of the change but immediately start hitting
the new target.
Although this example does not add any advice (it is not necessary to add advice to
use a `TargetSource`), any `TargetSource` can be used in conjunction with
arbitrary advice.
[[aop-ts-pool]]
== Pooling Target Sources
Using a pooling target source provides a similar programming model to stateless session
EJBs, in which a pool of identical instances is maintained, with method invocations
going to free objects in the pool.
A crucial difference between Spring pooling and SLSB pooling is that Spring pooling can
be applied to any POJO. As with Spring in general, this service can be applied in a
non-invasive way.
Spring provides support for Commons Pool 2, which provides a
fairly efficient pooling implementation. You need the `commons-pool` Jar on your
application's classpath to use this feature. You can also subclass
`org.springframework.aop.target.AbstractPoolingTargetSource` to support any other
pooling API.
The following listing shows an example configuration:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="businessObjectTarget" class="com.mycompany.MyBusinessObject"
scope="prototype">
... properties omitted
</bean>
<bean id="poolTargetSource" class="org.springframework.aop.target.CommonsPool2TargetSource">
<property name="targetBeanName" value="businessObjectTarget"/>
<property name="maxSize" value="25"/>
</bean>
<bean id="businessObject" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="targetSource" ref="poolTargetSource"/>
<property name="interceptorNames" value="myInterceptor"/>
</bean>
----
Note that the target object (`businessObjectTarget` in the preceding example) must be a
prototype. This lets the `PoolingTargetSource` implementation create new instances
of the target to grow the pool as necessary. See the {spring-framework-api}/aop/target/AbstractPoolingTargetSource.html[javadoc of
`AbstractPoolingTargetSource`] and the concrete subclass you wish to use for information
about its properties. `maxSize` is the most basic and is always guaranteed to be present.
In this case, `myInterceptor` is the name of an interceptor that would need to be
defined in the same IoC context. However, you need not specify interceptors to
use pooling. If you want only pooling and no other advice, do not set the
`interceptorNames` property at all.
You can configure Spring to be able to cast any pooled object to the
`org.springframework.aop.target.PoolingConfig` interface, which exposes information
about the configuration and current size of the pool through an introduction. You
need to define an advisor similar to the following:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="poolConfigAdvisor" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<property name="targetObject" ref="poolTargetSource"/>
<property name="targetMethod" value="getPoolingConfigMixin"/>
</bean>
----
This advisor is obtained by calling a convenience method on the
`AbstractPoolingTargetSource` class, hence the use of `MethodInvokingFactoryBean`. This
advisor's name (`poolConfigAdvisor`, here) must be in the list of interceptors names in
the `ProxyFactoryBean` that exposes the pooled object.
The cast is defined as follows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim,quotes"]
----
PoolingConfig conf = (PoolingConfig) beanFactory.getBean("businessObject");
System.out.println("Max pool size is " + conf.getMaxSize());
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim,quotes"]
----
val conf = beanFactory.getBean("businessObject") as PoolingConfig
println("Max pool size is " + conf.maxSize)
----
======
NOTE: Pooling stateless service objects is not usually necessary. We do not believe it should
be the default choice, as most stateless objects are naturally thread-safe, and instance
pooling is problematic if resources are cached.
Simpler pooling is available by using auto-proxying. You can set the `TargetSource` implementations
used by any auto-proxy creator.
[[aop-ts-prototype]]
== Prototype Target Sources
Setting up a "`prototype`" target source is similar to setting up a pooling `TargetSource`. In this
case, a new instance of the target is created on every method invocation. Although
the cost of creating a new object is not high in a modern JVM, the cost of wiring up the
new object (satisfying its IoC dependencies) may be more expensive. Thus, you should not
use this approach without very good reason.
To do this, you could modify the `poolTargetSource` definition shown earlier as follows
(we also changed the name, for clarity):
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="prototypeTargetSource" class="org.springframework.aop.target.PrototypeTargetSource">
<property name="targetBeanName" ref="businessObjectTarget"/>
</bean>
----
The only property is the name of the target bean. Inheritance is used in the
`TargetSource` implementations to ensure consistent naming. As with the pooling target
source, the target bean must be a prototype bean definition.
[[aop-ts-threadlocal]]
== `ThreadLocal` Target Sources
`ThreadLocal` target sources are useful if you need an object to be created for each
incoming request (per thread that is). The concept of a `ThreadLocal` provides a JDK-wide
facility to transparently store a resource alongside a thread. Setting up a
`ThreadLocalTargetSource` is pretty much the same as was explained for the other types
of target source, as the following example shows:
[source,xml,indent=0,subs="verbatim,quotes"]
----
<bean id="threadlocalTargetSource" class="org.springframework.aop.target.ThreadLocalTargetSource">
<property name="targetBeanName" value="businessObjectTarget"/>
</bean>
----
NOTE: `ThreadLocal` instances come with serious issues (potentially resulting in memory leaks) when
incorrectly using them in multi-threaded and multi-classloader environments. You
should always consider wrapping a `ThreadLocal` in some other class and never directly use
the `ThreadLocal` itself (except in the wrapper class). Also, you should
always remember to correctly set and unset (where the latter involves a call to
`ThreadLocal.remove()`) the resource local to the thread. Unsetting should be done in
any case, since not unsetting it might result in problematic behavior. Spring's
`ThreadLocal` support does this for you and should always be considered in favor of using
`ThreadLocal` instances without other proper handling code.
@@ -1,34 +0,0 @@
[[aop]]
= Aspect Oriented Programming with Spring
Aspect-oriented Programming (AOP) complements Object-oriented Programming (OOP) by
providing another way of thinking about program structure. The key unit of modularity
in OOP is the class, whereas in AOP the unit of modularity is the aspect. Aspects
enable the modularization of concerns (such as transaction management) that cut across
multiple types and objects. (Such concerns are often termed "crosscutting" concerns
in AOP literature.)
One of the key components of Spring is the AOP framework. While the Spring IoC
container does not depend on AOP (meaning you do not need to use AOP if you don't want
to), AOP complements Spring IoC to provide a very capable middleware solution.
.Spring AOP with AspectJ pointcuts
****
Spring provides simple and powerful ways of writing custom aspects by using either a
xref:core/aop/schema.adoc[schema-based approach] or the xref:core/aop/ataspectj.adoc[@AspectJ annotation style].
Both of these styles offer fully typed advice and use of the AspectJ pointcut language
while still using Spring AOP for weaving.
This chapter discusses the schema- and @AspectJ-based AOP support.
The lower-level AOP support is discussed in xref:core/aop-api.adoc[the following chapter].
****
AOP is used in the Spring Framework to:
* Provide declarative enterprise services. The most important such service is
xref:data-access/transaction/declarative.adoc[declarative transaction management].
* Let users implement custom aspects, complementing their use of OOP with AOP.
NOTE: If you are interested only in generic declarative services or other pre-packaged
declarative middleware services such as pooling, you do not need to work directly with
Spring AOP, and can skip most of this chapter.
@@ -1,55 +0,0 @@
[[aop-aspectj-programmatic]]
= Programmatic Creation of @AspectJ Proxies
In addition to declaring aspects in your configuration by using either `<aop:config>`
or `<aop:aspectj-autoproxy>`, it is also possible to programmatically create proxies
that advise target objects. For the full details of Spring's AOP API, see the
xref:core/aop-api.adoc[next chapter]. Here, we want to focus on the ability to automatically
create proxies by using @AspectJ aspects.
You can use the `org.springframework.aop.aspectj.annotation.AspectJProxyFactory` class
to create a proxy for a target object that is advised by one or more @AspectJ aspects.
The basic usage for this class is very simple, as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
// create a factory that can generate a proxy for the given target object
AspectJProxyFactory factory = new AspectJProxyFactory(targetObject);
// add an aspect, the class must be an @AspectJ aspect
// you can call this as many times as you need with different aspects
factory.addAspect(SecurityManager.class);
// you can also add existing aspect instances, the type of the object supplied
// must be an @AspectJ aspect
factory.addAspect(usageTracker);
// now get the proxy object...
MyInterfaceType proxy = factory.getProxy();
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
// create a factory that can generate a proxy for the given target object
val factory = AspectJProxyFactory(targetObject)
// add an aspect, the class must be an @AspectJ aspect
// you can call this as many times as you need with different aspects
factory.addAspect(SecurityManager::class.java)
// you can also add existing aspect instances, the type of the object supplied
// must be an @AspectJ aspect
factory.addAspect(usageTracker)
// now get the proxy object...
val proxy = factory.getProxy<Any>()
----
======
See the {spring-framework-api}/aop/aspectj/annotation/AspectJProxyFactory.html[javadoc] for more information.
@@ -1,13 +0,0 @@
[[aop-ataspectj]]
= @AspectJ support
:page-section-summary-toc: 1
@AspectJ refers to a style of declaring aspects as regular Java classes annotated with
annotations. The @AspectJ style was introduced by the
{aspectj-site}[AspectJ project] as part of the AspectJ 5 release. Spring
interprets the same annotations as AspectJ 5, using a library supplied by AspectJ
for pointcut parsing and matching. The AOP runtime is still pure Spring AOP, though, and
there is no dependency on the AspectJ compiler or weaver.
NOTE: Using the AspectJ compiler and weaver enables use of the full AspectJ language and
is discussed in xref:core/aop/using-aspectj.adoc[Using AspectJ with Spring Applications].
@@ -1,939 +0,0 @@
[[aop-advice]]
= Declaring Advice
Advice is associated with a pointcut expression and runs before, after, or around method
executions matched by the pointcut. The pointcut expression may be either an _inline
pointcut_ or a reference to a xref:core/aop/ataspectj/pointcuts.adoc#aop-common-pointcuts[_named pointcut_].
[[aop-advice-before]]
== Before Advice
You can declare before advice in an aspect by using the `@Before` annotation.
The following example uses an inline pointcut expression.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
@Aspect
public class BeforeExample {
@Before("execution(* com.xyz.dao.*.*(..))")
public void doAccessCheck() {
// ...
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.Before
@Aspect
class BeforeExample {
@Before("execution(* com.xyz.dao.*.*(..))")
fun doAccessCheck() {
// ...
}
}
----
======
If we use a xref:core/aop/ataspectj/pointcuts.adoc#aop-common-pointcuts[named pointcut], we can rewrite the preceding example
as follows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
@Aspect
public class BeforeExample {
@Before("com.xyz.CommonPointcuts.dataAccessOperation()")
public void doAccessCheck() {
// ...
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.Before
@Aspect
class BeforeExample {
@Before("com.xyz.CommonPointcuts.dataAccessOperation()")
fun doAccessCheck() {
// ...
}
}
----
======
[[aop-advice-after-returning]]
== After Returning Advice
After returning advice runs when a matched method execution returns normally.
You can declare it by using the `@AfterReturning` annotation.
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.AfterReturning;
@Aspect
public class AfterReturningExample {
@AfterReturning("execution(* com.xyz.dao.*.*(..))")
public void doAccessCheck() {
// ...
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.AfterReturning
@Aspect
class AfterReturningExample {
@AfterReturning("execution(* com.xyz.dao.*.*(..))")
fun doAccessCheck() {
// ...
}
}
----
======
NOTE: You can have multiple advice declarations (and other members as well),
all inside the same aspect. We show only a single advice declaration in these
examples to focus the effect of each one.
Sometimes, you need access in the advice body to the actual value that was returned.
You can use the form of `@AfterReturning` that binds the return value to get that
access, as the following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.AfterReturning;
@Aspect
public class AfterReturningExample {
@AfterReturning(
pointcut="execution(* com.xyz.dao.*.*(..))",
returning="retVal")
public void doAccessCheck(Object retVal) {
// ...
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.AfterReturning
@Aspect
class AfterReturningExample {
@AfterReturning(
pointcut = "execution(* com.xyz.dao.*.*(..))",
returning = "retVal")
fun doAccessCheck(retVal: Any?) {
// ...
}
}
----
======
The name used in the `returning` attribute must correspond to the name of a parameter
in the advice method. When a method execution returns, the return value is passed to
the advice method as the corresponding argument value. A `returning` clause also
restricts matching to only those method executions that return a value of the
specified type (in this case, `Object`, which matches any return value).
Please note that it is not possible to return a totally different reference when
using after returning advice.
[[aop-advice-after-throwing]]
== After Throwing Advice
After throwing advice runs when a matched method execution exits by throwing an
exception. You can declare it by using the `@AfterThrowing` annotation, as the
following example shows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.AfterThrowing;
@Aspect
public class AfterThrowingExample {
@AfterThrowing("execution(* com.xyz.dao.*.*(..))")
public void doRecoveryActions() {
// ...
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.AfterThrowing
@Aspect
class AfterThrowingExample {
@AfterThrowing("execution(* com.xyz.dao.*.*(..))")
fun doRecoveryActions() {
// ...
}
}
----
======
Often, you want the advice to run only when exceptions of a given type are thrown,
and you also often need access to the thrown exception in the advice body. You can
use the `throwing` attribute to both restrict matching (if desired -- use `Throwable`
as the exception type otherwise) and bind the thrown exception to an advice parameter.
The following example shows how to do so:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.AfterThrowing;
@Aspect
public class AfterThrowingExample {
@AfterThrowing(
pointcut="execution(* com.xyz.dao.*.*(..))",
throwing="ex")
public void doRecoveryActions(DataAccessException ex) {
// ...
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.AfterThrowing
@Aspect
class AfterThrowingExample {
@AfterThrowing(
pointcut = "execution(* com.xyz.dao.*.*(..))",
throwing = "ex")
fun doRecoveryActions(ex: DataAccessException) {
// ...
}
}
----
======
The name used in the `throwing` attribute must correspond to the name of a parameter in
the advice method. When a method execution exits by throwing an exception, the exception
is passed to the advice method as the corresponding argument value. A `throwing` clause
also restricts matching to only those method executions that throw an exception of the
specified type (`DataAccessException`, in this case).
[NOTE]
====
Note that `@AfterThrowing` does not indicate a general exception handling callback.
Specifically, an `@AfterThrowing` advice method is only supposed to receive exceptions
from the join point (user-declared target method) itself but not from an accompanying
`@After`/`@AfterReturning` method.
====
[[aop-advice-after-finally]]
== After (Finally) Advice
After (finally) advice runs when a matched method execution exits. It is declared by
using the `@After` annotation. After advice must be prepared to handle both normal and
exception return conditions. It is typically used for releasing resources and similar
purposes. The following example shows how to use after finally advice:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.After;
@Aspect
public class AfterFinallyExample {
@After("execution(* com.xyz.dao.*.*(..))")
public void doReleaseLock() {
// ...
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.After
@Aspect
class AfterFinallyExample {
@After("execution(* com.xyz.dao.*.*(..))")
fun doReleaseLock() {
// ...
}
}
----
======
[NOTE]
====
Note that `@After` advice in AspectJ is defined as "after finally advice", analogous
to a finally block in a try-catch statement. It will be invoked for any outcome,
normal return or exception thrown from the join point (user-declared target method),
in contrast to `@AfterReturning` which only applies to successful normal returns.
====
[[aop-ataspectj-around-advice]]
== Around Advice
The last kind of advice is _around_ advice. Around advice runs "around" a matched
method's execution. It has the opportunity to do work both before and after the method
runs and to determine when, how, and even if the method actually gets to run at all.
Around advice is often used if you need to share state before and after a method
execution in a thread-safe manner for example, starting and stopping a timer.
[TIP]
====
Always use the least powerful form of advice that meets your requirements.
For example, do not use _around_ advice if _before_ advice is sufficient for your needs.
====
Around advice is declared by annotating a method with the `@Around` annotation. The
method should declare `Object` as its return type, and the first parameter of the method
must be of type `ProceedingJoinPoint`. Within the body of the advice method, you must
invoke `proceed()` on the `ProceedingJoinPoint` in order for the underlying method to
run. Invoking `proceed()` without arguments will result in the caller's original
arguments being supplied to the underlying method when it is invoked. For advanced use
cases, there is an overloaded variant of the `proceed()` method which accepts an array of
arguments (`Object[]`). The values in the array will be used as the arguments to the
underlying method when it is invoked.
[NOTE]
====
The behavior of `proceed` when called with an `Object[]` is a little different than the
behavior of `proceed` for around advice compiled by the AspectJ compiler. For around
advice written using the traditional AspectJ language, the number of arguments passed to
`proceed` must match the number of arguments passed to the around advice (not the number
of arguments taken by the underlying join point), and the value passed to proceed in a
given argument position supplants the original value at the join point for the entity the
value was bound to (do not worry if this does not make sense right now).
The approach taken by Spring is simpler and a better match to its proxy-based,
execution-only semantics. You only need to be aware of this difference if you compile
`@AspectJ` aspects written for Spring and use `proceed` with arguments with the AspectJ
compiler and weaver. There is a way to write such aspects that is 100% compatible across
both Spring AOP and AspectJ, and this is discussed in the
xref:core/aop/ataspectj/advice.adoc#aop-ataspectj-advice-proceeding-with-the-call[following section on advice parameters].
====
The value returned by the around advice is the return value seen by the caller of the
method. For example, a simple caching aspect could return a value from a cache if it has
one or invoke `proceed()` (and return that value) if it does not. Note that `proceed`
may be invoked once, many times, or not at all within the body of the around advice. All
of these are legal.
WARNING: If you declare the return type of your around advice method as `void`, `null`
will always be returned to the caller, effectively ignoring the result of any invocation
of `proceed()`. It is therefore recommended that an around advice method declare a return
type of `Object`. The advice method should typically return the value returned from an
invocation of `proceed()`, even if the underlying method has a `void` return type.
However, the advice may optionally return a cached value, a wrapped value, or some other
value depending on the use case.
The following example shows how to use around advice:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.ProceedingJoinPoint;
@Aspect
public class AroundExample {
@Around("execution(* com.xyz..service.*.*(..))")
public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable {
// start stopwatch
Object retVal = pjp.proceed();
// stop stopwatch
return retVal;
}
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
import org.aspectj.lang.annotation.Aspect
import org.aspectj.lang.annotation.Around
import org.aspectj.lang.ProceedingJoinPoint
@Aspect
class AroundExample {
@Around("execution(* com.xyz..service.*.*(..))")
fun doBasicProfiling(pjp: ProceedingJoinPoint): Any? {
// start stopwatch
val retVal = pjp.proceed()
// stop stopwatch
return retVal
}
}
----
======
[[aop-ataspectj-advice-params]]
== Advice Parameters
Spring offers fully typed advice, meaning that you declare the parameters you need in the
advice signature (as we saw earlier for the returning and throwing examples) rather than
work with `Object[]` arrays all the time. We see how to make argument and other contextual
values available to the advice body later in this section. First, we take a look at how to
write generic advice that can find out about the method the advice is currently advising.
[[aop-ataspectj-advice-params-the-joinpoint]]
=== Access to the Current `JoinPoint`
Any advice method may declare, as its first parameter, a parameter of type
`org.aspectj.lang.JoinPoint`. Note that around advice is required to declare a first
parameter of type `ProceedingJoinPoint`, which is a subclass of `JoinPoint`.
The `JoinPoint` interface provides a number of useful methods:
* `getArgs()`: Returns the method arguments.
* `getThis()`: Returns the proxy object.
* `getTarget()`: Returns the target object.
* `getSignature()`: Returns a description of the method that is being advised.
* `toString()`: Prints a useful description of the method being advised.
See the {aspectj-api}/org/aspectj/lang/JoinPoint.html[javadoc] for more detail.
[[aop-ataspectj-advice-params-passing]]
=== Passing Parameters to Advice
We have already seen how to bind the returned value or exception value (using after
returning and after throwing advice). To make argument values available to the advice
body, you can use the binding form of `args`. If you use a parameter name in place of a
type name in an `args` expression, the value of the corresponding argument is passed as
the parameter value when the advice is invoked. An example should make this clearer.
Suppose you want to advise the execution of DAO operations that take an `Account`
object as the first parameter, and you need access to the account in the advice body.
You could write the following:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Before("execution(* com.xyz.dao.*.*(..)) && args(account,..)")
public void validateAccount(Account account) {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Before("execution(* com.xyz.dao.*.*(..)) && args(account,..)")
fun validateAccount(account: Account) {
// ...
}
----
======
The `args(account,..)` part of the pointcut expression serves two purposes. First, it
restricts matching to only those method executions where the method takes at least one
parameter, and the argument passed to that parameter is an instance of `Account`.
Second, it makes the actual `Account` object available to the advice through the `account`
parameter.
Another way of writing this is to declare a pointcut that "provides" the `Account`
object value when it matches a join point, and then refer to the named pointcut
from the advice. This would look as follows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Pointcut("execution(* com.xyz.dao.*.*(..)) && args(account,..)")
private void accountDataAccessOperation(Account account) {}
@Before("accountDataAccessOperation(account)")
public void validateAccount(Account account) {
// ...
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Pointcut("execution(* com.xyz.dao.*.*(..)) && args(account,..)")
private fun accountDataAccessOperation(account: Account) {
}
@Before("accountDataAccessOperation(account)")
fun validateAccount(account: Account) {
// ...
}
----
======
See the AspectJ programming guide for more details.
The proxy object (`this`), target object (`target`), and annotations (`@within`,
`@target`, `@annotation`, and `@args`) can all be bound in a similar fashion. The next
set of examples shows how to match the execution of methods annotated with an
`@Auditable` annotation and extract the audit code:
The following shows the definition of the `@Auditable` annotation:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Auditable {
AuditCode value();
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Retention(AnnotationRetention.RUNTIME)
@Target(AnnotationTarget.FUNCTION)
annotation class Auditable(val value: AuditCode)
----
======
The following shows the advice that matches the execution of `@Auditable` methods:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Before("com.xyz.Pointcuts.publicMethod() && @annotation(auditable)") // <1>
public void audit(Auditable auditable) {
AuditCode code = auditable.value();
// ...
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Before("com.xyz.Pointcuts.publicMethod() && @annotation(auditable)") // <1>
fun audit(auditable: Auditable) {
val code = auditable.value()
// ...
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
======
[[aop-ataspectj-advice-params-generics]]
=== Advice Parameters and Generics
Spring AOP can handle generics used in class declarations and method parameters. Suppose
you have a generic type like the following:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
public interface Sample<T> {
void sampleGenericMethod(T param);
void sampleGenericCollectionMethod(Collection<T> param);
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
interface Sample<T> {
fun sampleGenericMethod(param: T)
fun sampleGenericCollectionMethod(param: Collection<T>)
}
----
======
You can restrict interception of method types to certain parameter types by
tying the advice parameter to the parameter type for which you want to intercept the method:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Before("execution(* ..Sample+.sampleGenericMethod(*)) && args(param)")
public void beforeSampleMethod(MyType param) {
// Advice implementation
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Before("execution(* ..Sample+.sampleGenericMethod(*)) && args(param)")
fun beforeSampleMethod(param: MyType) {
// Advice implementation
}
----
======
This approach does not work for generic collections. So you cannot define a
pointcut as follows:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Before("execution(* ..Sample+.sampleGenericCollectionMethod(*)) && args(param)")
public void beforeSampleMethod(Collection<MyType> param) {
// Advice implementation
}
----
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Before("execution(* ..Sample+.sampleGenericCollectionMethod(*)) && args(param)")
fun beforeSampleMethod(param: Collection<MyType>) {
// Advice implementation
}
----
======
To make this work, we would have to inspect every element of the collection, which is not
reasonable, as we also cannot decide how to treat `null` values in general. To achieve
something similar to this, you have to type the parameter to `Collection<?>` and manually
check the type of the elements.
[[aop-ataspectj-advice-params-names]]
=== Determining Argument Names
Parameter binding in advice invocations relies on matching the names used in pointcut
expressions to the parameter names declared in advice and pointcut method signatures.
NOTE: This section uses the terms _argument_ and _parameter_ interchangeably, since
AspectJ APIs refer to parameter names as argument names.
Spring AOP uses the following `ParameterNameDiscoverer` implementations to determine
parameter names. Each discoverer will be given a chance to discover parameter names, and
the first successful discoverer wins. If none of the registered discoverers is capable
of determining parameter names, an exception will be thrown.
`AspectJAnnotationParameterNameDiscoverer` :: Uses parameter names that have been explicitly
specified by the user via the `argNames` attribute in the corresponding advice or
pointcut annotation. See xref:core/aop/ataspectj/advice.adoc#aop-ataspectj-advice-params-names-explicit[Explicit Argument Names] for details.
`KotlinReflectionParameterNameDiscoverer` :: Uses Kotlin reflection APIs to determine
parameter names. This discoverer is only used if such APIs are present on the classpath.
`StandardReflectionParameterNameDiscoverer` :: Uses the standard `java.lang.reflect.Parameter`
API to determine parameter names. Requires that code be compiled with the `-parameters`
flag for `javac`. Recommended approach.
`AspectJAdviceParameterNameDiscoverer` :: Deduces parameter names from the pointcut
expression, `returning`, and `throwing` clauses. See the
{spring-framework-api}/aop/aspectj/AspectJAdviceParameterNameDiscoverer.html[javadoc]
for details on the algorithm used.
[[aop-ataspectj-advice-params-names-explicit]]
=== Explicit Argument Names
@AspectJ advice and pointcut annotations have an optional `argNames` attribute that you
can use to specify the argument names of the annotated method.
[TIP]
====
If an @AspectJ aspect has been compiled by the AspectJ compiler (`ajc`) even without
debug information, you do not need to add the `argNames` attribute, since the compiler
retains the needed information.
Similarly, if an @AspectJ aspect has been compiled with `javac` using the `-parameters`
flag, you do not need to add the `argNames` attribute, since the compiler retains the
needed information.
====
The following example shows how to use the `argNames` attribute:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Before(
value = "com.xyz.Pointcuts.publicMethod() && target(bean) && @annotation(auditable)", // <1>
argNames = "bean,auditable") // <2>
public void audit(Object bean, Auditable auditable) {
AuditCode code = auditable.value();
// ... use code and bean
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
<2> Declares `bean` and `auditable` as the argument names.
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Before(
value = "com.xyz.Pointcuts.publicMethod() && target(bean) && @annotation(auditable)", // <1>
argNames = "bean,auditable") // <2>
fun audit(bean: Any, auditable: Auditable) {
val code = auditable.value()
// ... use code and bean
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
<2> Declares `bean` and `auditable` as the argument names.
======
If the first parameter is of type `JoinPoint`, `ProceedingJoinPoint`, or
`JoinPoint.StaticPart`, you can omit the name of the parameter from the value of the
`argNames` attribute. For example, if you modify the preceding advice to receive the join
point object, the `argNames` attribute does not need to include it:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Before(
value = "com.xyz.Pointcuts.publicMethod() && target(bean) && @annotation(auditable)", // <1>
argNames = "bean,auditable") // <2>
public void audit(JoinPoint jp, Object bean, Auditable auditable) {
AuditCode code = auditable.value();
// ... use code, bean, and jp
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
<2> Declares `bean` and `auditable` as the argument names.
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Before(
value = "com.xyz.Pointcuts.publicMethod() && target(bean) && @annotation(auditable)", // <1>
argNames = "bean,auditable") // <2>
fun audit(jp: JoinPoint, bean: Any, auditable: Auditable) {
val code = auditable.value()
// ... use code, bean, and jp
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
<2> Declares `bean` and `auditable` as the argument names.
======
The special treatment given to the first parameter of type `JoinPoint`,
`ProceedingJoinPoint`, or `JoinPoint.StaticPart` is particularly convenient for advice
methods that do not collect any other join point context. In such situations, you may
omit the `argNames` attribute. For example, the following advice does not need to declare
the `argNames` attribute:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Before("com.xyz.Pointcuts.publicMethod()") // <1>
public void audit(JoinPoint jp) {
// ... use jp
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Before("com.xyz.Pointcuts.publicMethod()") // <1>
fun audit(jp: JoinPoint) {
// ... use jp
}
----
<1> References the `publicMethod` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-pointcuts-combining[Combining Pointcut Expressions].
======
[[aop-ataspectj-advice-proceeding-with-the-call]]
=== Proceeding with Arguments
We remarked earlier that we would describe how to write a `proceed` call with
arguments that works consistently across Spring AOP and AspectJ. The solution is
to ensure that the advice signature binds each of the method parameters in order.
The following example shows how to do so:
[tabs]
======
Java::
+
[source,java,indent=0,subs="verbatim"]
----
@Around("execution(List<Account> find*(..)) && " +
"com.xyz.CommonPointcuts.inDataAccessLayer() && " +
"args(accountHolderNamePattern)") // <1>
public Object preProcessQueryPattern(ProceedingJoinPoint pjp,
String accountHolderNamePattern) throws Throwable {
String newPattern = preProcess(accountHolderNamePattern);
return pjp.proceed(new Object[] {newPattern});
}
----
<1> References the `inDataAccessLayer` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-common-pointcuts[Sharing Named Pointcut Definitions].
Kotlin::
+
[source,kotlin,indent=0,subs="verbatim"]
----
@Around("execution(List<Account> find*(..)) && " +
"com.xyz.CommonPointcuts.inDataAccessLayer() && " +
"args(accountHolderNamePattern)") // <1>
fun preProcessQueryPattern(pjp: ProceedingJoinPoint,
accountHolderNamePattern: String): Any? {
val newPattern = preProcess(accountHolderNamePattern)
return pjp.proceed(arrayOf<Any>(newPattern))
}
----
<1> References the `inDataAccessLayer` named pointcut defined in xref:core/aop/ataspectj/pointcuts.adoc#aop-common-pointcuts[Sharing Named Pointcut Definitions].
======
In many cases, you do this binding anyway (as in the preceding example).
[[aop-ataspectj-advice-ordering]]
== Advice Ordering
What happens when multiple pieces of advice all want to run at the same join point?
Spring AOP follows the same precedence rules as AspectJ to determine the order of advice
execution. The highest precedence advice runs first "on the way in" (so, given two pieces
of before advice, the one with highest precedence runs first). "On the way out" from a
join point, the highest precedence advice runs last (so, given two pieces of after
advice, the one with the highest precedence will run second).
When two pieces of advice defined in different aspects both need to run at the same
join point, unless you specify otherwise, the order of execution is undefined. You can
control the order of execution by specifying precedence. This is done in the normal
Spring way by either implementing the `org.springframework.core.Ordered` interface in
the aspect class or annotating it with the `@Order` annotation. Given two aspects, the
aspect returning the lower value from `Ordered.getOrder()` (or the annotation value) has
the higher precedence.
[NOTE]
====
Each of the distinct advice types of a particular aspect is conceptually meant to apply
to the join point directly. As a consequence, an `@AfterThrowing` advice method is not
supposed to receive an exception from an accompanying `@After`/`@AfterReturning` method.
Advice methods defined in the same `@Aspect` class that
need to run at the same join point are assigned precedence based on their advice type in
the following order, from highest to lowest precedence: `@Around`, `@Before`, `@After`,
`@AfterReturning`, `@AfterThrowing`. Note, however, that an `@After` advice method will
effectively be invoked after any `@AfterReturning` or `@AfterThrowing` advice methods
in the same aspect, following AspectJ's "after finally advice" semantics for `@After`.
When two pieces of the same type of advice (for example, two `@After` advice methods)
defined in the same `@Aspect` class both need to run at the same join point, the ordering
is undefined (since there is no way to retrieve the source code declaration order through
reflection for javac-compiled classes). Consider collapsing such advice methods into one
advice method per join point in each `@Aspect` class or refactor the pieces of advice into
separate `@Aspect` classes that you can order at the aspect level via `Ordered` or `@Order`.
====
@@ -1,15 +0,0 @@
[[aop-aspectj-support]]
= Enabling @AspectJ Support
To use @AspectJ aspects in a Spring configuration, you need to enable Spring support for
configuring Spring AOP based on @AspectJ aspects and auto-proxying beans based on
whether or not they are advised by those aspects. By auto-proxying, we mean that, if Spring
determines that a bean is advised by one or more aspects, it automatically generates
a proxy for that bean to intercept method invocations and ensures that advice is run
as needed.
The @AspectJ support can be enabled with programmatic or XML configuration. In either
case, you also need to ensure that AspectJ's `org.aspectj:aspectjweaver` library is on the
classpath of your application (version 1.9 or later).
include-code::./ApplicationConfiguration[tag=snippet,indent=0]

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