Release version 4.3.28.RELEASE

Defer creating logger in StandardWebSocketHandlerAdapter to instantiation time
Closes gh-25427 (cherry picked from commit 64f4703445)
2026-06-08 17:33:33 +00:00 · 2020-07-21 06:58:52 +00:00 · 2020-07-20 17:21:11 +02:00 · 2020-07-20 08:01:51 +02:00 · 2020-07-20 06:32:38 +03:00 · 2020-07-19 20:49:05 +02:00
6860 changed files with 38553 additions and 28416 deletions
@@ -40,5 +40,5 @@ appropriate to the circumstances. Maintainers are obligated to maintain confiden
 with regard to the reporter of an incident.

 This Code of Conduct is adapted from the
-http://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at
-http://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/]
+https://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at
+https://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/]
@@ -1,6 +1,6 @@
 = How to contribute to the reference

-The Spring Framework reference now uses http://asciidoctor.org/[asciidoctor]. This
+The Spring Framework reference now uses https://asciidoctor.org/[asciidoctor]. This
 document describes how to contribute documentation updates.

 == Building with Gradle
@@ -18,7 +18,7 @@ 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]
+https://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]):

@@ -45,7 +45,7 @@ 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]
+* https://asciidoctor.org/docs/asciidoc-syntax-quick-reference/[Asciidoctor Quick Reference]
+* https://asciidoctor.org/docs/user-manual/[Asciidoctor Manual]
+* https://asciidoctor.org/docs/asciidoc-writers-guide/[Asciidoctor Writers Guide]

@@ -101,7 +101,7 @@ present in the framework.
 * 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
+ *      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,
@@ -308,12 +308,12 @@ 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
+[help documentation]: https://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
 [Spring ICLA 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
+[Rewriting History section of Pro Git]: https://git-scm.com/book/en/Git-Tools-Rewriting-History
+[Commit Guidelines section of Pro Git]: https://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
@@ -74,29 +74,29 @@ The Spring Framework is released under version 2.0 of the [Apache License][].

 [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
+[family of projects]: https://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
+[Javadoc]: https://docs.spring.io/spring-framework/docs/current/javadoc-api/
+[reference docs]: https://docs.spring.io/spring-framework/docs/current/spring-framework-reference/
+[spring tags]: https://spring.io/questions
+[Stack Overflow]: https://stackoverflow.com/faq
+[Commercial support]: https://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]: https://gradle.org
+[`./gradlew`]: https://vimeo.com/34436402
+[Git]: https://help.github.com/set-up-git-redirect
+[JDK8 build]: https://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
+[Pull requests]: https://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
+[The Spring Blog]: https://spring.io/blog/
+[news feed]: https://spring.io/blog/category/news
+[Apache License]: https://www.apache.org/licenses/LICENSE-2.0
@@ -3,17 +3,13 @@ buildscript {
 		maven { url "https://repo.spring.io/plugins-release" }
 	}
 	dependencies {
-		classpath("org.springframework.build.gradle:propdeps-plugin:0.0.7")
-		classpath("org.asciidoctor:asciidoctor-gradle-plugin:1.5.2")
+		classpath("io.spring.gradle:propdeps-plugin:0.0.9.RELEASE")
 		classpath("io.spring.gradle:docbook-reference-plugin:0.3.1")
+		classpath("org.asciidoctor:asciidoctor-gradle-plugin:1.5.2")
 		classpath("ws.antonov.gradle.plugins:gradle-plugin-protobuf:0.9.1")
 	}
 }

-plugins {
-	id "org.sonarqube" version "1.1"
-}
-
 ext {
 	linkHomepage = 'https://projects.spring.io/spring-framework'
 	linkCi = 'https://build.spring.io/browse/SPR'
@@ -31,7 +27,7 @@ configure(allprojects) { project ->
 	group = "org.springframework"
 	version = qualifyVersionIfNecessary(version)

-	ext.aspectjVersion       = "1.8.10"
+	ext.aspectjVersion       = "1.8.9"
 	ext.caffeineVersion      = "2.3.5"
 	ext.eclipselinkVersion   = "2.4.2"
 	ext.ehcacheVersion       = "2.10.4"
@@ -40,8 +36,8 @@ configure(allprojects) { project ->
 	ext.ejbVersion           = "3.0"
 	ext.fileuploadVersion    = "1.3.3"
 	ext.freemarkerVersion    = "2.3.23"
-	ext.groovyVersion        = "2.4.12"
-	ext.gsonVersion          = "2.8.1"
+	ext.groovyVersion        = "2.4.17"
+	ext.gsonVersion          = "2.8.5"
 	ext.guavaVersion         = "20.0"
 	ext.hamcrestVersion      = "1.3"
 	ext.hibernate3Version    = "3.6.10.Final"
@@ -50,34 +46,34 @@ configure(allprojects) { project ->
 	ext.hibval4Version       = "4.3.2.Final"
 	ext.hibval5Version       = "5.2.5.Final"
 	ext.hsqldbVersion        = "2.3.4"
-	ext.httpasyncVersion     = "4.1.3"
-	ext.httpclientVersion    = "4.5.3"
-	ext.jackson2Version      = "2.8.9"
+	ext.httpasyncVersion     = "4.1.4"
+	ext.httpclientVersion    = "4.5.6"
+	ext.jackson2Version      = "2.8.11.3"
 	ext.jasperreportsVersion = "6.2.1"  // our tests fail with JR-internal NPEs against 6.2.2 and higher
 	ext.javamailVersion      = "1.5.6"
 	ext.jettyVersion         = "9.3.14.v20161028"  // as of 9.3.15, Jetty has hard Servlet 3.1 requirement
 	ext.jetty94Version       = "9.4.6.v20170531"  // for spring-websocket support, optimized for Jetty 9.4
 	ext.jodaVersion          = "2.9.9"
-	ext.jrubyVersion         = "1.7.26"  // JRuby 9000 primarily supported through JSR-223 (StandardScriptFactory)
+	ext.jrubyVersion         = "1.7.27"  // JRuby 9000 primarily supported through JSR-223 (StandardScriptFactory)
 	ext.jtaVersion           = "1.2"
 	ext.junitVersion         = "4.12"
 	ext.log4jVersion         = "1.2.17"
-	ext.nettyVersion         = "4.1.13.Final"
+	ext.nettyVersion         = "4.1.39.Final"
 	ext.okhttpVersion        = "2.7.5"
-	ext.okhttp3Version       = "3.7.0"
-	ext.openjpaVersion       = "2.4.1"
-	ext.poiVersion           = "3.14"
+	ext.okhttp3Version       = "3.8.1"
+	ext.openjpaVersion       = "2.4.2"
+	ext.poiVersion           = "3.17"
 	ext.reactorVersion       = "2.0.8.RELEASE"
-	ext.romeVersion          = "1.7.2"
-	ext.slf4jVersion         = "1.7.21"
+	ext.romeVersion          = "1.7.4"
+	ext.slf4jVersion         = "1.7.25"
 	ext.snakeyamlVersion     = "1.17"
-	ext.snifferVersion       = "1.15"
+	ext.snifferVersion       = "1.18"
 	ext.testngVersion        = "6.9.10"
 	ext.tiles2Version        = "2.2.2"
-	ext.tiles3Version        = "3.0.7"
-	ext.tomcatVersion        = "8.5.16"
+	ext.tiles3Version        = "3.0.8"
+	ext.tomcatVersion        = "8.5.45"
 	ext.tyrusVersion         = "1.3.5"  // constrained by WebLogic 12.1.3 support
-	ext.undertowVersion      = "1.3.30.Final"
+	ext.undertowVersion      = "1.3.33.Final"
 	ext.xmlunitVersion       = "1.6"
 	ext.xstreamVersion       = "1.4.9"

@@ -186,27 +182,28 @@ configure(allprojects) { project ->
 	}

 	ext.javadocLinks = [
-		"http://docs.oracle.com/javase/8/docs/api/",
-		"http://docs.oracle.com/javaee/7/api/",
-		"http://docs.oracle.com/cd/E13222_01/wls/docs90/javadocs/",  // CommonJ
-		"http://pic.dhe.ibm.com/infocenter/wasinfo/v7r0/topic/com.ibm.websphere.javadoc.doc/web/apidocs/",
-		"http://glassfish.java.net/nonav/docs/v3/api/",
-		"http://docs.jboss.org/jbossas/javadoc/4.0.5/connector/",
-		"http://docs.jboss.org/jbossas/javadoc/7.1.2.Final/",
-		"http://commons.apache.org/proper/commons-lang/javadocs/api-2.5/",
-		"http://commons.apache.org/proper/commons-codec/apidocs/",
-		"http://commons.apache.org/proper/commons-dbcp/apidocs/",
-		"http://portals.apache.org/pluto/portlet-2.0-apidocs/",
-		"http://tiles.apache.org/tiles-request/apidocs/",
-		"http://tiles.apache.org/framework/apidocs/",
-		"http://www.eclipse.org/aspectj/doc/released/aspectj5rt-api/",
-		"http://ehcache.org/apidocs/${ehcacheVersion}",
-		"http://ehcache.org/apidocs/${ehcache3Version}",
-		"http://quartz-scheduler.org/api/2.2.1/",
-		"http://fasterxml.github.io/jackson-core/javadoc/2.8/",
-		"http://fasterxml.github.io/jackson-databind/javadoc/2.8/",
-		"http://fasterxml.github.io/jackson-dataformat-xml/javadoc/2.8/",
-		"http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/"
+		"https://docs.oracle.com/javase/8/docs/api/",
+		"https://docs.oracle.com/javaee/7/api/",
+		"https://docs.oracle.com/cd/E13222_01/wls/docs90/javadocs/",  // CommonJ
+		"https://pic.dhe.ibm.com/infocenter/wasinfo/v7r0/topic/com.ibm.websphere.javadoc.doc/web/apidocs/",
+		"https://glassfish.java.net/nonav/docs/v3/api/",
+		"https://docs.jboss.org/jbossas/javadoc/4.0.5/connector/",
+		"https://docs.jboss.org/jbossas/javadoc/7.1.2.Final/",
+		"https://commons.apache.org/proper/commons-lang/javadocs/api-2.5/",
+		"https://commons.apache.org/proper/commons-codec/apidocs/",
+		"https://commons.apache.org/proper/commons-dbcp/apidocs/",
+		"https://portals.apache.org/pluto/portlet-2.0-apidocs/",
+		"https://tiles.apache.org/tiles-request/apidocs/",
+		"https://tiles.apache.org/framework/apidocs/",
+		"https://www.eclipse.org/aspectj/doc/released/aspectj5rt-api/",
+		"https://www.ehcache.org/apidocs/${ehcacheVersion}/",
+		"https://www.ehcache.org/apidocs/${ehcache3Version}/",
+		"https://www.quartz-scheduler.org/api/2.2.3/",
+		"https://fasterxml.github.io/jackson-core/javadoc/2.8/",
+		"https://fasterxml.github.io/jackson-databind/javadoc/2.8/",
+		"https://fasterxml.github.io/jackson-dataformat-xml/javadoc/2.8/",
+		"https://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/",
+		"https://junit.org/junit4/javadoc/${junitVersion}/"
 	] as String[]
 }

@@ -221,12 +218,6 @@ configure(subprojects - project(":spring-build-src")) { subproject ->
 		jacoco("org.jacoco:org.jacoco.agent:0.7.5.201505241946:runtime")
 	}

-	gradle.taskGraph.whenReady {taskGraph ->
-		if (taskGraph.hasTask(':sonarqube')) {
-			test.jvmArgs "-javaagent:${configurations.jacoco.asPath}=destfile=${buildDir}/jacoco.exec,includes=org.springframework.*"
-		}
-	}
-
 	jar {
 		manifest.attributes["Created-By"] =
 			"${System.getProperty("java.version")} (${System.getProperty("java.specification.vendor")})"
@@ -289,11 +280,10 @@ project("spring-build-src") {
 project("spring-core") {
 	description = "Spring Core"

-	// As of Spring 4.0.3, spring-core includes asm 5.x and repackages cglib 3.2, inlining
-	// both into the spring-core jar. cglib 3.2 itself depends on asm 5.x and is therefore
-	// further transformed by the JarJar task to depend on org.springframework.asm; this
-	// avoids including two different copies of asm unnecessarily.
-	def cglibVersion = "3.2.5"
+	// spring-core includes asm and repackages cglib, inlining both into the spring-core jar.
+	// cglib itself depends on asm and is therefore further transformed by the JarJar task to
+	// depend on org.springframework.asm; this avoids including two different copies of asm.
+	def cglibVersion = "3.2.6"
 	def objenesisVersion = "2.6"

 	configurations {
@@ -316,7 +306,7 @@ project("spring-core") {
 					}
 					// Repackage net.sf.cglib => org.springframework.cglib
 					rule(pattern: "net.sf.cglib.**", result: "org.springframework.cglib.@1")
-					// As mentioned above, transform cglib"s internal asm dependencies from
+					// As mentioned above, transform cglib's internal asm dependencies from
 					// org.objectweb.asm => org.springframework.asm. Doing this counts on the
 					// the fact that Spring and cglib depend on the same version of asm!
 					rule(pattern: "org.objectweb.asm.**", result: "org.springframework.asm.@1")
@@ -475,8 +465,8 @@ project("spring-context") {
 	dependencies {
 		compile(project(":spring-aop"))
 		compile(project(":spring-beans"))
-		compile(project(":spring-expression"))
 		compile(project(":spring-core"))
+		compile(project(":spring-expression"))
 		compile(files(project(":spring-core").cglibRepackJar))
 		optional(project(":spring-instrument"))
 		optional("javax.inject:javax.inject:1")
@@ -658,6 +648,8 @@ project("spring-context-support") {
 		testCompile("org.slf4j:slf4j-api:${slf4jVersion}")
 		testRuntime("com.sun.mail:javax.mail:${javamailVersion}")
 		testRuntime("org.ehcache:jcache:${ehcachejcacheVersion}")
+		testRuntime("org.ehcache:ehcache:${ehcache3Version}")
+		testRuntime("org.terracotta:management-model:2.3.0")
 	}
 }

@@ -702,7 +694,7 @@ project("spring-web") {
 		optional("com.squareup.okhttp:okhttp:${okhttpVersion}")
 		optional("com.squareup.okhttp3:okhttp:${okhttp3Version}")
 		optional("com.fasterxml.jackson.core:jackson-databind:${jackson2Version}")
-		optional("com.fasterxml.jackson.dataformat:jackson-dataformat-xml:${jackson2Version}")
+		optional("com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.8.11")
 		optional("com.google.code.gson:gson:${gsonVersion}")
 		optional("com.rometools:rome:${romeVersion}")
 		optional("org.eclipse.jetty:jetty-servlet:${jettyVersion}") {
@@ -718,13 +710,15 @@ project("spring-web") {
 		testCompile(project(":spring-context-support"))  // for JafMediaTypeFactory
 		testCompile("xmlunit:xmlunit:${xmlunitVersion}")
 		testCompile("org.slf4j:slf4j-jcl:${slf4jVersion}")
+		testCompile("org.skyscreamer:jsonassert:1.4.0")
 		testCompile("org.apache.taglibs:taglibs-standard-jstlel:1.2.1") {
 			exclude group: "org.apache.taglibs", module: "taglibs-standard-spec"
 		}
-		testCompile("com.fasterxml.jackson.datatype:jackson-datatype-joda:${jackson2Version}")
-		testCompile("com.fasterxml.jackson.datatype:jackson-datatype-jdk8:${jackson2Version}")
-		testCompile("com.fasterxml.jackson.module:jackson-module-kotlin:${jackson2Version}")
-    testCompile("com.squareup.okhttp3:mockwebserver:${okhttp3Version}")
+		testCompile("com.fasterxml.jackson.datatype:jackson-datatype-joda:2.8.11")
+		testCompile("com.fasterxml.jackson.datatype:jackson-datatype-jdk8:2.8.11")
+		testCompile("com.fasterxml.jackson.module:jackson-module-kotlin:2.8.11.1")
+		testCompile("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.8.11")
+    	testCompile("com.squareup.okhttp3:mockwebserver:${okhttp3Version}")
 		testRuntime("com.sun.mail:javax.mail:${javamailVersion}")
 	}
 }
@@ -834,7 +828,7 @@ project("spring-webmvc") {
 			exclude group: "org.springframework", module: "spring-context"
 		}
 		optional("com.fasterxml.jackson.core:jackson-databind:${jackson2Version}")
-		optional("com.fasterxml.jackson.dataformat:jackson-dataformat-xml:${jackson2Version}")
+		optional("com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.8.11")
 		optional("com.rometools:rome:${romeVersion}")
 		optional("javax.el:javax.el-api:2.2.5")
 		optional("org.apache.tiles:tiles-api:${tiles3Version}")
@@ -854,7 +848,7 @@ project("spring-webmvc") {
 			exclude group: "org.slf4j", module: "jcl-over-slf4j"
 			exclude group: "org.springframework", module: "spring-web"
 		}
-		optional('org.webjars:webjars-locator:0.32')
+		optional('org.webjars:webjars-locator:0.32-1')
 		testCompile("xmlunit:xmlunit:${xmlunitVersion}")
 		testCompile("dom4j:dom4j:1.6.1") {
 			exclude group: "xml-apis", module: "xml-apis"
@@ -877,7 +871,7 @@ project("spring-webmvc") {
 		testCompile("commons-io:commons-io:1.4")
 		testCompile("joda-time:joda-time:${jodaVersion}")
 		testCompile("org.slf4j:slf4j-jcl:${slf4jVersion}")
-		testCompile("org.mozilla:rhino:1.7.7.1")
+		testCompile("org.mozilla:rhino:1.7.7.2")
 		testRuntime("org.jruby:jruby:${jrubyVersion}")
 		testRuntime("org.python:jython-standalone:2.5.3")
 		testRuntime("org.webjars:underscorejs:1.8.3")
@@ -979,6 +973,10 @@ project("spring-websocket") {
 project("spring-test") {
 	description = "Spring TestContext Framework"

+	// Disable warning for annotation processing in order to get the
+	// build passing again after it mysteriously started failing in 2020.
+	compileJava.options.compilerArgs -= "-Xlint:processing"
+
 	dependencies {
 		compile(project(":spring-core"))
 		optional(project(":spring-aop"))
@@ -1034,8 +1032,6 @@ project("spring-test") {
 		testCompile("org.apache.httpcomponents:httpclient:${httpclientVersion}")
 		testCompile("javax.cache:cache-api:1.0.0")
 		testRuntime("log4j:log4j:${log4jVersion}")
-		testRuntime("org.ehcache:ehcache:${ehcache3Version}")
-		testRuntime("org.terracotta:management-model:2.3.0")
 	}

 	task testNG(type: Test) {
@@ -1128,20 +1124,6 @@ project("spring-framework-bom") {
 	}
 }

-sonarqube {
-	properties {
-		property "sonar.projectName", "Spring Framework"
-		property "sonar.profile", "Spring Framework"
-		property "sonar.jacoco.reportPath", "${buildDir.name}/jacoco.exec"
-		property "sonar.links.homepage", linkHomepage
-		property "sonar.links.ci", linkCi
-		property "sonar.links.issue", linkIssue
-		property "sonar.links.scm", linkScmUrl
-		property "sonar.links.scm_dev", linkScmDevConnection
-		property "sonar.java.coveragePlugin", "jacoco"
-	}
-}
-
 configure(rootProject) {
 	description = "Spring Framework"

@@ -1245,7 +1227,7 @@ configure(rootProject) {
 		baseName = "spring-framework"
 		classifier = "docs"
 		description = "Builds -${classifier} archive containing api and reference " +
-			"for deployment at http://static.springframework.org/spring-framework/docs."
+			"for deployment at https://docs.spring.io/spring-framework/docs."

 		from("src/dist") {
 			include "changelog.txt"
@@ -1265,20 +1247,20 @@ configure(rootProject) {
 		baseName = "spring-framework"
 		classifier = "schema"
 		description = "Builds -${classifier} archive containing all " +
-			"XSDs for deployment at http://springframework.org/schema."
+			"XSDs for deployment at https://springframework.org/schema."
 		duplicatesStrategy 'exclude'
 		moduleProjects.each { subproject ->
 			def Properties schemas = new Properties();

 			subproject.sourceSets.main.resources.find {
-				it.path.endsWith("META-INF/spring.schemas")
+				(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 = subproject.sourceSets.main.resources.find {
-					it.path.endsWith(schemas.get(key))
+					(it.path.endsWith(schemas.get(key)) || it.path.endsWith(schemas.get(key).replaceAll('\\/','\\\\')))
 				}
 				assert xsdFile != null
 				into (shortName) {
@@ -1364,9 +1346,9 @@ configure(rootProject) {
 		archives distZip
 	}

-	task wrapper(type: Wrapper) {
+	wrapper {
 		description = "Generates gradlew[.bat] scripts"
-		gradleVersion = "2.14.1"
+		gradleVersion = "4.10.2"

 		doLast() {
 			def gradleOpts = "-XX:MaxMetaspaceSize=1024m -Xmx1024m"
@@ -1382,21 +1364,6 @@ configure(rootProject) {

 }

-configure([project(':spring-build-src'), project(':spring-framework-bom')]) {
-	sonarqube {
-		skipProject = true
-	}
-}
-
-configure(project(':spring-core')) {
-	sonarqube {
-		properties {
-			property "sonar.exclusions",
-					"src/main/java/org/springframework/cglib/**/*,src/main/java/org/springframework/asm/**/*"
-		}
-	}
-}
-
 /*
 * Support publication of artifacts versioned by topic branch.
 * CI builds supply `-P BRANCH_NAME=<TOPIC>` to gradle at build time.
@@ -1 +1 @@
-version=4.3.10.BUILD-SNAPSHOT
+version=4.3.28.RELEASE
@@ -11,7 +11,7 @@ eclipse.jdt {
 }

 // Replace classpath entries with project dependencies (GRADLE-1116)
-// http://issues.gradle.org/browse/GRADLE-1116
+// https://issues.gradle.org/browse/GRADLE-1116
 eclipse.classpath.file.whenMerged { classpath ->
 	def regexp = /.*?\/([^\/]+)\/build\/[^\/]+\/(?:main|test)/ // only match those that end in main or test (avoids removing necessary entries like build/classes/jaxb)
 	def projectOutputDependencies = classpath.entries.findAll { entry -> entry.path =~ regexp }
@@ -21,7 +21,7 @@ eclipse.classpath.file.whenMerged { classpath ->
 			def projectName = matcher[0][1]
 			def path = "/${projectName}"
 			if(!classpath.entries.find { e -> e instanceof ProjectDependency && e.path == path }) {
-				def dependency = new ProjectDependency(path, project(":${projectName}").path)
+				def dependency = new ProjectDependency(path)
 				dependency.exported = true
 				classpath.entries.add(dependency)
 			}
@@ -11,7 +11,7 @@ difference between two public Java APIs.

 The file jdiff.html contains the reference page for JDiff.  The latest
 version of JDiff can be downloaded at:
-http://sourceforge.net/projects/javadiff
+https://sourceforge.net/projects/javadiff

 To use the Ant task on your own project, see example.xml. More examples
 of using JDiff to compare the public APIs of J2SE1.3 and J2SE1.4 can
@@ -40,7 +40,7 @@ Acknowledgements
 JDiff uses Stuart D. Gathman's Java translation of Gene Myers' O(ND) 
 difference algorithm.

-JDiff uses Xerces 1.4.2 from http://www.apache.org.
+JDiff uses Xerces 1.4.2 from https://www.apache.org.

 JDiff also includes a script to use the classdoc application from
 http://classdoc.sourceforge.net or http://www.jensgulden.de, by Jens
@@ -56,4 +56,4 @@ much of this work.
 Footnote:

 If you are looking for a generalized diff tool for XML, try diffmk from
-http://wwws.sun.com/software/xml/developers/diffmk/
+https://wwws.sun.com/software/xml/developers/diffmk/
@@ -7,10 +7,10 @@
 <BODY BGCOLOR="#ffffff">
 <table width="100%">
 <tr>
-<td align="left"><A href="http://sourceforge.net/projects/javadiff/">
+<td align="left"><A href="https://sourceforge.net/projects/javadiff/">
 <IMG src="http://javadiff.cvs.sourceforge.net/*checkout*/javadiff/jdiff/lib/jdiff_logo.gif"
 width="88" height="31" border="0" alt="JDiff Logo"></A></td>
-<td align="right"><A href="http://sourceforge.net"> <IMG src="http://sourceforge.net/sflogo.php?group_id=37160" width="88" height="31" border="0" alt="SourceForge Logo"></A></td>
+<td align="right"><A href="https://sourceforge.net"> <IMG src="https://sourceforge.net/sflogo.php?group_id=37160" width="88" height="31" border="0" alt="SourceForge Logo"></A></td>
 </tr>
 </table>

@@ -21,7 +21,7 @@ width="88" height="31" border="0" alt="JDiff Logo"></A></td>

 <BLOCKQUOTE>
 <b>JDiff</b> is a Javadoc <a
-href="http://java.sun.com/j2se/javadoc">doclet</a> which generates an
+href="https://java.sun.com/j2se/javadoc">doclet</a> which generates an
 HTML report of all the packages, classes, constructors, methods, and
 fields which have been removed, added or changed in any way, including
 their documentation, when two APIs are compared. This is very useful
@@ -312,7 +312,7 @@ the HTML output to the given directory.
  <code>-javadocnew</code> &lt;<i>javadoc files location for the new API</i>></DT>
  <DD STYLE="margin-right: 2cm; margin-bottom: 0.5cm">
   The location of existing Javadoc files
-   for the new API, e.g. "http://java.sun.com/j2se/<b>1.5.0</b>/docs/api/" for the
+   for the new API, e.g. "https://java.sun.com/j2se/<b>1.5.0</b>/docs/api/" for the
   public documentation for J2SE1.5.0. The default value is "../", which implies
   that the documentation directory generated by Javadoc is at the same level as
   the "changes.html" file generated by JDiff. Slashes are always
@@ -325,7 +325,7 @@ the HTML output to the given directory.
  <DT STYLE="margin-right: 2cm; margin-bottom: 0.5cm">
  <code>-javadocold</code> &lt;<i>javadoc files location for the old API</i>></DT>
  <DD STYLE="margin-right: 2cm; margin-bottom: 0.5cm"> The location of existing 
-   Javadoc files for the old API, e.g. "http://java.sun.com/j2se/<b>1.5.0</b>/docs/API/" 
+   Javadoc files for the old API, e.g. "https://java.sun.com/j2se/<b>1.5.0</b>/docs/API/" 
   for the public documentation for J2SE1.5.0. The default value is null, which 
   results in no links to Javadoc-generated documentation for the previous 
   release. Slashes are always forward in the argument, since this is an HTML 
@@ -426,7 +426,7 @@ the HTML output to the given directory.
  <code>-showallchanges</code></DT>
  <DD STYLE="margin-right: 2cm; margin-bottom: 0.5cm">
   If this argument is used, JDiff will show changes in
-   native and synchronized modifiers. See <a href="http://java.sun.com/j2se/1.4.1/docs/tooldocs/solaris/javadoc.html#generatedapideclarations">here</a> for why these are not shown by default.
+   native and synchronized modifiers. See <a href="https://java.sun.com/j2se/1.4.1/docs/tooldocs/solaris/javadoc.html#generatedapideclarations">here</a> for why these are not shown by default.
  </DD>

  <DT STYLE="margin-right: 2cm; margin-bottom: 0.5cm">
@@ -547,7 +547,7 @@ moved to the end of the file and placed inside XML comments.

 <BLOCKQUOTE> The text which is added can be HTML text if necessary, but if the 
  HTML is incorrect, JDiff may fail to read the comments file and exit. Note that 
-  the required HTML is in fact <a href="http://www.w3.org/TR/xhtml1/diffs.html">XHTML</a>. Since this HTML is stored in an XML document, single tags without their closing ("slash") element are not permitted. 
+  the required HTML is in fact <a href="https://www.w3.org/TR/xhtml1/diffs.html">XHTML</a>. Since this HTML is stored in an XML document, single tags without their closing ("slash") element are not permitted. 
  For example, most browsers permit HTML which looks like "&lt;p>Here is some 
  text.", with no closing tag. XML requires that either a closing tag exists ("&lt;/p>"), 
  or that the single tag is closed, e.g. "&lt;p/>Here is some text.". 
@@ -988,7 +988,7 @@ it can tell you how the content has changed.
 Nor does it
 compare what the methods in an API do; if JDiff could tell you what had changed about the way two
 versions of an API execute, the <a
-href="http://en.wikipedia.org/wiki/Halting_Problem">Halting
+href="https://en.wikipedia.org/wiki/Halting_Problem">Halting
 Problem</a> would be solved, and our lives would be very different.</li>
 <li>On a P3 450MHz machine, to scan all of the J2SE <code>Java</code> 
 and <code>javax</code> packages and generate XML takes about 2 minutes
@@ -1002,14 +1002,14 @@ per version. To generate a report from the XML files takes about 30s</li>

 <BLOCKQUOTE>
 <UL>
-  <LI><A HREF="http://www.sys-con.com/java">Java Developer's Journal
+  <LI><A HREF="https://www.sys-con.com/java">Java Developer's Journal
 	</A>, April 2002 contained an article about JDiff. The article
 	can also be <a
 	href="http://javadiff.cvs.sourceforge.net/*checkout*/javadiff/jdiff/doc/JDiffArticle.pdf">found
 	here</a>.</LI>
-  <LI><A HREF="http://java.sun.com/j2se/javadoc/">Javadoc</A> and Doclet
+  <LI><A HREF="https://java.sun.com/j2se/javadoc/">Javadoc</A> and Doclet
 	documentation from Sun.</LI>
-  <LI><A HREF="http://java.sun.com/j2se/javadoc/faq.html#doclets">Third-party
+  <LI><A HREF="https://java.sun.com/j2se/javadoc/faq.html#doclets">Third-party
 	doclets</a> as listed by Sun.</LI>
  <LI><A HREF="http://www.doclet.com">Third-party doclets</a> as listed by others.</LI>
 </UL>
@@ -25,12 +25,12 @@ def customizePom(pom, gradleProject) {
 			url = "https://github.com/spring-projects/spring-framework"
 			organization {
 				name = "Spring IO"
-				url = "http://projects.spring.io/spring-framework"
+				url = "https://projects.spring.io/spring-framework"
 			}
 			licenses {
 				license {
 					name "Apache License, Version 2.0"
-					url "http://www.apache.org/licenses/LICENSE-2.0"
+					url "https://www.apache.org/licenses/LICENSE-2.0"
 					distribution "repo"
 				}
 			}
@@ -1,6 +1,5 @@
-#Wed Aug 17 21:21:18 CEST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-bin.zip
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh

 ##############################################################################
 ##
@@ -34,11 +34,11 @@ DEFAULT_JVM_OPTS=""
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"

-warn ( ) {
+warn () {
    echo "$*"
 }

-die ( ) {
+die () {
    echo
    echo "$*"
    echo
@@ -155,11 +155,19 @@ if $cygwin ; then
    esac
 fi

-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")

-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
@@ -50,7 +50,6 @@ goto fail
@rem Get command-line arguments, handling Windows variants

 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args

 :win9xME_args
@rem Slurp the command line arguments.
@@ -61,11 +60,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute

 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$

 :execute
@rem Setup the command line
@@ -17,7 +17,7 @@ echo been tested against STS %STS_TEST_VERSION%), but at the minimum you will
 echo need Eclipse + AJDT.
 echo.
 echo If you need to download and install STS, please do that now by
-echo visiting http://spring.io/tools/sts/all 
+echo visiting https://spring.io/tools/sts/all 
 echo.
 echo Otherwise, press enter and we'll begin.

@@ -19,9 +19,9 @@ This script has been tested against:
 If you need to download and install Eclipse or STS, please do that now
 by visiting one of the following sites:

- Eclipse downloads: http://download.eclipse.org/eclipse/downloads
- STS downloads: http://spring.io/tools/sts/all
- STS nightly builds: http://dist.springsource.com/snapshot/STS/nightly-distributions.html
+- Eclipse downloads: https://download.eclipse.org/eclipse/downloads
+- STS downloads: https://spring.io/tools/sts/all
+- STS nightly builds: https://dist.springsource.com/snapshot/STS/nightly-distributions.html

 If you need to install a recent CI build for AJDT (i.e., so that the
 spring-aspects module properly compiles in Eclipse/STS), click on the
@@ -14,7 +14,7 @@ _Within your locally cloned spring-framework working directory:_

 1. `spring-oxm` should be pre-compiled since it's using repackaged dependencies (see *RepackJar tasks)
 2. `spring-aspects` does not compile out of the box due to references to aspect types unknown to IDEA.
-See http://youtrack.jetbrains.com/issue/IDEA-64446 for details. In the meantime, the 'spring-aspects'
+See https://youtrack.jetbrains.com/issue/IDEA-64446 for details. In the meantime, the 'spring-aspects'
 should be excluded from the overall project to avoid compilation errors.
 3. While all JUnit tests pass from the command line with Gradle, many will fail when run from IDEA.
 Resolving this is a work in progress. If attempting to run all JUnit tests from within IDEA, you will
@@ -28,6 +28,6 @@ You'll notice these files are already intentionally in .gitignore. The same poli

 ## FAQ

-Q. What about IDEA's own [Gradle support](http://confluence.jetbrains.net/display/IDEADEV/Gradle+integration)?
+Q. What about IDEA's own [Gradle support](https://confluence.jetbrains.net/display/IDEADEV/Gradle+integration)?

-A. Keep an eye on http://youtrack.jetbrains.com/issue/IDEA-53476
+A. Keep an eye on https://youtrack.jetbrains.com/issue/IDEA-53476
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -48,10 +48,11 @@ import java.lang.reflect.Method;
 public interface MethodMatcher {

 	/**
-	 * Perform static checking whether the given method matches. If this
-	 * returns {@code false} or if the {@link #isRuntime()} method
-	 * returns {@code false}, no runtime check (i.e. no.
-	 * {@link #matches(java.lang.reflect.Method, Class, Object[])} call) will be made.
+	 * Perform static checking whether the given method matches.
+	 * <p>If this returns {@code false} or if the {@link #isRuntime()}
+	 * method returns {@code false}, no runtime check (i.e. no
+	 * {@link #matches(java.lang.reflect.Method, Class, Object[])} call)
+	 * will be made.
 	 * @param method the candidate method
 	 * @param targetClass the target class (may be {@code null}, in which case
 	 * the candidate class must be taken to be the method's declaring class)
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*<
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2017 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
+ *      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,
@@ -34,9 +34,8 @@ public interface TargetSource extends TargetClassAware {

 	/**
 	 * Return the type of targets returned by this {@link TargetSource}.
-	 * <p>Can return {@code null}, although certain usages of a
-	 * {@code TargetSource} might just work with a predetermined
-	 * target class.
+	 * <p>Can return {@code null}, although certain usages of a {@code TargetSource}
+	 * might just work with a predetermined target class.
 	 * @return the type of targets returned by this {@link TargetSource}
 	 */
 	@Override
@@ -44,9 +43,8 @@ public interface TargetSource extends TargetClassAware {

 	/**
 	 * Will all calls to {@link #getTarget()} return the same object?
-	 * <p>In that case, there will be no need to invoke
-	 * {@link #releaseTarget(Object)}, and the AOP framework can cache
-	 * the return value of {@link #getTarget()}.
+	 * <p>In that case, there will be no need to invoke {@link #releaseTarget(Object)},
+	 * and the AOP framework can cache the return value of {@link #getTarget()}.
 	 * @return {@code true} if the target is immutable
 	 * @see #getTarget
 	 */
@@ -55,14 +53,15 @@ public interface TargetSource extends TargetClassAware {
 	/**
 	 * Return a target instance. Invoked immediately before the
 	 * AOP framework calls the "target" of an AOP method invocation.
-	 * @return the target object, which contains the joinpoint
+	 * @return the target object which contains the joinpoint,
+	 * or {@code null} if there is no actual target instance
 	 * @throws Exception if the target object can't be resolved
 	 */
 	Object getTarget() throws Exception;

 	/**
 	 * Release the given target object obtained from the
-	 * {@link #getTarget()} method.
+	 * {@link #getTarget()} method, if any.
 	 * @param target object obtained from a call to {@link #getTarget()}
 	 * @throws Exception if the object can't be released
 	 */
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -103,8 +103,8 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence
 	private final AspectInstanceFactory aspectInstanceFactory;

 	/**
-	 * The name of the aspect (ref bean) in which this advice was defined (used
-	 * when determining advice precedence so that we can determine
+	 * The name of the aspect (ref bean) in which this advice was defined
+	 * (used when determining advice precedence so that we can determine
 	 * whether two pieces of advice come from the same aspect).
 	 */
 	private String aspectName;
@@ -118,13 +118,13 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence
 	 * This will be non-null if the creator of this advice object knows the argument names
 	 * and sets them explicitly
 	 */
-	private String[] argumentNames = null;
+	private String[] argumentNames;

 	/** Non-null if after throwing advice binds the thrown value */
-	private String throwingName = null;
+	private String throwingName;

 	/** Non-null if after returning advice binds the return value */
-	private String returningName = null;
+	private String returningName;

 	private Class<?> discoveredReturningType = Object.class;

@@ -227,7 +227,7 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence
 	}

 	/**
-	 * Sets the <b>declaration order</b> of this advice within the aspect
+	 * Set the declaration order of this advice within the aspect.
 	 */
 	public void setDeclarationOrder(int order) {
 		this.declarationOrder = order;
@@ -295,8 +295,8 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence
 			}
 			catch (Throwable ex) {
 				throw new IllegalArgumentException("Returning name '" + name  +
-						"' is neither a valid argument name nor the fully-qualified name of a Java type on the classpath. " +
-						"Root cause: " + ex);
+						"' is neither a valid argument name nor the fully-qualified " +
+						"name of a Java type on the classpath. Root cause: " + ex);
 			}
 		}
 	}
@@ -329,8 +329,8 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence
 			}
 			catch (Throwable ex) {
 				throw new IllegalArgumentException("Throwing name '" + name  +
-						"' is neither a valid argument name nor the fully-qualified name of a Java type on the classpath. " +
-						"Root cause: " + ex);
+						"' is neither a valid argument name nor the fully-qualified " +
+						"name of a Java type on the classpath. Root cause: " + ex);
 			}
 		}
 	}
@@ -366,7 +366,7 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence
 	 * to which argument name. There are multiple strategies for determining
 	 * this binding, which are arranged in a ChainOfResponsibility.
 	 */
-	public synchronized final void calculateArgumentBindings() {
+	public final synchronized void calculateArgumentBindings() {
 		// The simple case... nothing to bind.
 		if (this.argumentsIntrospected || this.parameterTypes.length == 0) {
 			return;
@@ -374,10 +374,8 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence

 		int numUnboundArgs = this.parameterTypes.length;
 		Class<?>[] parameterTypes = this.aspectJAdviceMethod.getParameterTypes();
-		if (maybeBindJoinPoint(parameterTypes[0]) || maybeBindProceedingJoinPoint(parameterTypes[0])) {
-			numUnboundArgs--;
-		}
-		else if (maybeBindJoinPointStaticPart(parameterTypes[0])) {
+		if (maybeBindJoinPoint(parameterTypes[0]) || maybeBindProceedingJoinPoint(parameterTypes[0]) ||
+				maybeBindJoinPointStaticPart(parameterTypes[0])) {
 			numUnboundArgs--;
 		}

@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2017 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
+ *      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,
@@ -113,6 +113,7 @@ import org.springframework.util.StringUtils;
 * returning {@code null} in the case that the parameter names cannot be discovered.
 *
 * @author Adrian Colyer
+ * @author Juergen Hoeller
 * @since 2.0
 */
 public class AspectJAdviceParameterNameDiscoverer implements ParameterNameDiscoverer {
@@ -154,23 +155,17 @@ public class AspectJAdviceParameterNameDiscoverer implements ParameterNameDiscov
 	}


+	/** The pointcut expression associated with the advice, as a simple String */
+	private String pointcutExpression;
+
 	private boolean raiseExceptions;

-	/**
-	 * If the advice is afterReturning, and binds the return value, this is the parameter name used.
-	 */
+	/** If the advice is afterReturning, and binds the return value, this is the parameter name used */
 	private String returningName;

-	/**
-	 * If the advice is afterThrowing, and binds the thrown value, this is the parameter name used.
-	 */
+	/** If the advice is afterThrowing, and binds the thrown value, this is the parameter name used */
 	private String throwingName;

-	/**
-	 * The pointcut expression associated with the advice, as a simple String.
-	 */
-	private String pointcutExpression;
-
 	private Class<?>[] argumentTypes;

 	private String[] parameterNameBindings;
@@ -186,6 +181,7 @@ public class AspectJAdviceParameterNameDiscoverer implements ParameterNameDiscov
 		this.pointcutExpression = pointcutExpression;
 	}

+
 	/**
 	 * Indicate whether {@link IllegalArgumentException} and {@link AmbiguousBindingException}
 	 * must be thrown as appropriate in the case of failing to deduce advice parameter names.
@@ -213,6 +209,7 @@ public class AspectJAdviceParameterNameDiscoverer implements ParameterNameDiscov
 		this.throwingName = throwingName;
 	}

+
 	/**
 	 * Deduce the parameter names for an advice method.
 	 * <p>See the {@link AspectJAdviceParameterNameDiscoverer class level javadoc}
@@ -418,7 +415,7 @@ public class AspectJAdviceParameterNameDiscoverer implements ParameterNameDiscov
 		String[] tokens = StringUtils.tokenizeToStringArray(this.pointcutExpression, " ");
 		for (int i = 0; i < tokens.length; i++) {
 			String toMatch = tokens[i];
-			int firstParenIndex = toMatch.indexOf("(");
+			int firstParenIndex = toMatch.indexOf('(');
 			if (firstParenIndex != -1) {
 				toMatch = toMatch.substring(0, firstParenIndex);
 			}
@@ -474,7 +471,7 @@ public class AspectJAdviceParameterNameDiscoverer implements ParameterNameDiscov
 	 * If the token starts meets Java identifier conventions, it's in.
 	 */
 	private String maybeExtractVariableName(String candidateToken) {
-		if (candidateToken == null || candidateToken.equals("")) {
+		if (!StringUtils.hasLength(candidateToken)) {
 			return null;
 		}
 		if (Character.isJavaIdentifierStart(candidateToken.charAt(0)) &&
@@ -578,7 +575,7 @@ public class AspectJAdviceParameterNameDiscoverer implements ParameterNameDiscov
 			if (toMatch.startsWith("!")) {
 				toMatch = toMatch.substring(1);
 			}
-			int firstParenIndex = toMatch.indexOf("(");
+			int firstParenIndex = toMatch.indexOf('(');
 			if (firstParenIndex != -1) {
 				toMatch = toMatch.substring(0, firstParenIndex);
 			}
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -20,6 +20,7 @@ import org.aopalliance.aop.Advice;

 import org.springframework.aop.ClassFilter;
 import org.springframework.aop.IntroductionAdvisor;
+import org.springframework.aop.IntroductionInterceptor;
 import org.springframework.aop.support.ClassFilters;
 import org.springframework.aop.support.DelegatePerTargetObjectIntroductionInterceptor;
 import org.springframework.aop.support.DelegatingIntroductionInterceptor;
@@ -34,12 +35,12 @@ import org.springframework.aop.support.DelegatingIntroductionInterceptor;
 */
 public class DeclareParentsAdvisor implements IntroductionAdvisor {

+	private final Advice advice;
+
 	private final Class<?> introducedInterface;

 	private final ClassFilter typePatternClassFilter;

-	private final Advice advice;
-

 	/**
 	 * Create a new advisor for this DeclareParents field.
@@ -48,8 +49,8 @@ public class DeclareParentsAdvisor implements IntroductionAdvisor {
 	 * @param defaultImpl the default implementation class
 	 */
 	public DeclareParentsAdvisor(Class<?> interfaceType, String typePattern, Class<?> defaultImpl) {
-		this(interfaceType, typePattern, defaultImpl,
-			 new DelegatePerTargetObjectIntroductionInterceptor(defaultImpl, interfaceType));
+		this(interfaceType, typePattern,
+				new DelegatePerTargetObjectIntroductionInterceptor(defaultImpl, interfaceType));
 	}

 	/**
@@ -59,8 +60,7 @@ public class DeclareParentsAdvisor implements IntroductionAdvisor {
 	 * @param delegateRef the delegate implementation object
 	 */
 	public DeclareParentsAdvisor(Class<?> interfaceType, String typePattern, Object delegateRef) {
-		this(interfaceType, typePattern, delegateRef.getClass(),
-			 new DelegatingIntroductionInterceptor(delegateRef));
+		this(interfaceType, typePattern, new DelegatingIntroductionInterceptor(delegateRef));
 	}

 	/**
@@ -68,23 +68,21 @@ public class DeclareParentsAdvisor implements IntroductionAdvisor {
 	 * (cannot use method such as init() to share common code, due the use of final fields)
 	 * @param interfaceType static field defining the introduction
 	 * @param typePattern type pattern the introduction is restricted to
-	 * @param implementationClass implementation class
-	 * @param advice delegation advice
+	 * @param interceptor the delegation advice as {@link IntroductionInterceptor}
 	 */
-	private DeclareParentsAdvisor(Class<?> interfaceType, String typePattern, Class<?> implementationClass, Advice advice) {
+	private DeclareParentsAdvisor(Class<?> interfaceType, String typePattern, IntroductionInterceptor interceptor) {
+		this.advice = interceptor;
 		this.introducedInterface = interfaceType;
-		ClassFilter typePatternFilter = new TypePatternClassFilter(typePattern);

 		// Excludes methods implemented.
+		ClassFilter typePatternFilter = new TypePatternClassFilter(typePattern);
 		ClassFilter exclusion = new ClassFilter() {
 			@Override
 			public boolean matches(Class<?> clazz) {
-				return !(introducedInterface.isAssignableFrom(clazz));
+				return !introducedInterface.isAssignableFrom(clazz);
 			}
 		};
-
 		this.typePatternClassFilter = ClassFilters.intersection(typePatternFilter, exclusion);
-		this.advice = advice;
 	}


@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -32,17 +32,15 @@ import org.springframework.core.ParameterNameDiscoverer;
 import org.springframework.util.Assert;

 /**
- * Implementation of AspectJ ProceedingJoinPoint interface
- * wrapping an AOP Alliance MethodInvocation.
+ * An implementation of the AspectJ {@link ProceedingJoinPoint} interface
+ * wrapping an AOP Alliance {@link org.aopalliance.intercept.MethodInvocation}.
 *
- * <p><b>Note</b>: the {@code getThis()} method returns the current Spring AOP proxy.
+ * <p><b>Note</b>: The {@code getThis()} method returns the current Spring AOP proxy.
 * The {@code getTarget()} method returns the current Spring AOP target (which may be
- * {@code null} if there is no target), and is a plain POJO without any advice.
- * <b>If you want to call the object and have the advice take effect, use
- * {@code getThis()}.</b> A common example is casting the object to an
- * introduced interface in the implementation of an introduction.
- *
- * <p>Of course there is no such distinction between target and proxy in AspectJ.
+ * {@code null} if there is no target instance) as a plain POJO without any advice.
+ * <b>If you want to call the object and have the advice take effect, use {@code getThis()}.</b>
+ * A common example is casting the object to an introduced interface in the implementation of
+ * an introduction. There is no such distinction between target and proxy in AspectJ itself.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
@@ -56,7 +54,7 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,

 	private final ProxyMethodInvocation methodInvocation;

-	private Object[] defensiveCopyOfArgs;
+	private Object[] args;

 	/** Lazily initialized signature object */
 	private Signature signature;
@@ -75,6 +73,7 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,
 		this.methodInvocation = methodInvocation;
 	}

+
 	@Override
 	public void set$AroundClosure(AroundClosure aroundClosure) {
 		throw new UnsupportedOperationException();
@@ -115,12 +114,10 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,

 	@Override
 	public Object[] getArgs() {
-		if (this.defensiveCopyOfArgs == null) {
-			Object[] argsSource = this.methodInvocation.getArguments();
-			this.defensiveCopyOfArgs = new Object[argsSource.length];
-			System.arraycopy(argsSource, 0, this.defensiveCopyOfArgs, 0, argsSource.length);
+		if (this.args == null) {
+			this.args = this.methodInvocation.getArguments().clone();
 		}
-		return this.defensiveCopyOfArgs;
+		return this.args;
 	}

 	@Override
@@ -128,7 +125,7 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,
 		if (this.signature == null) {
 			this.signature = new MethodSignatureImpl();
 		}
-		return signature;
+		return this.signature;
 	}

 	@Override
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -41,6 +41,7 @@ public class SimpleAspectInstanceFactory implements AspectInstanceFactory {
 		this.aspectClass = aspectClass;
 	}

+
 	/**
 	 * Return the specified aspect class (never {@code null}).
 	 */
@@ -48,7 +49,6 @@ public class SimpleAspectInstanceFactory implements AspectInstanceFactory {
 		return this.aspectClass;
 	}

-
 	@Override
 	public final Object getAspectInstance() {
 		try {
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -59,6 +59,9 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac

 	private static final String AJC_MAGIC = "ajc$";

+	private static final Class<?>[] ASPECTJ_ANNOTATION_CLASSES = new Class<?>[] {
+			Pointcut.class, Around.class, Before.class, After.class, AfterReturning.class, AfterThrowing.class};
+

 	/** Logger available to subclasses */
 	protected final Log logger = LogFactory.getLog(getClass());
@@ -122,14 +125,12 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac

 	/**
 	 * Find and return the first AspectJ annotation on the given method
-	 * (there <i>should</i> only be one anyway...)
+	 * (there <i>should</i> only be one anyway...).
 	 */
 	@SuppressWarnings("unchecked")
 	protected static AspectJAnnotation<?> findAspectJAnnotationOnMethod(Method method) {
-		Class<?>[] classesToLookFor = new Class<?>[] {
-				Before.class, Around.class, After.class, AfterReturning.class, AfterThrowing.class, Pointcut.class};
-		for (Class<?> c : classesToLookFor) {
-			AspectJAnnotation<?> foundAnnotation = findAnnotation(method, (Class<Annotation>) c);
+		for (Class<?> clazz : ASPECTJ_ANNOTATION_CLASSES) {
+			AspectJAnnotation<?> foundAnnotation = findAnnotation(method, (Class<Annotation>) clazz);
 			if (foundAnnotation != null) {
 				return foundAnnotation;
 			}
@@ -148,14 +149,13 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 	}


+	/**
+	 * Enum for AspectJ annotation types.
+	 * @see AspectJAnnotation#getAnnotationType()
+	 */
 	protected enum AspectJAnnotationType {

-		AtPointcut,
-		AtBefore,
-		AtAfter,
-		AtAfterReturning,
-		AtAfterThrowing,
-		AtAround
+		AtPointcut, AtAround, AtBefore, AtAfter, AtAfterReturning, AtAfterThrowing
 	}


@@ -165,18 +165,18 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 	 */
 	protected static class AspectJAnnotation<A extends Annotation> {

-		private static final String[] EXPRESSION_PROPERTIES = new String[] {"value", "pointcut"};
+		private static final String[] EXPRESSION_ATTRIBUTES = new String[] {"pointcut", "value"};

-		private static Map<Class<?>, AspectJAnnotationType> annotationTypes =
-				new HashMap<Class<?>, AspectJAnnotationType>();
+		private static Map<Class<?>, AspectJAnnotationType> annotationTypeMap =
+				new HashMap<Class<?>, AspectJAnnotationType>(8);

 		static {
-			annotationTypes.put(Pointcut.class,AspectJAnnotationType.AtPointcut);
-			annotationTypes.put(After.class,AspectJAnnotationType.AtAfter);
-			annotationTypes.put(AfterReturning.class,AspectJAnnotationType.AtAfterReturning);
-			annotationTypes.put(AfterThrowing.class,AspectJAnnotationType.AtAfterThrowing);
-			annotationTypes.put(Around.class,AspectJAnnotationType.AtAround);
-			annotationTypes.put(Before.class,AspectJAnnotationType.AtBefore);
+			annotationTypeMap.put(Pointcut.class, AspectJAnnotationType.AtPointcut);
+			annotationTypeMap.put(Around.class, AspectJAnnotationType.AtAround);
+			annotationTypeMap.put(Before.class, AspectJAnnotationType.AtBefore);
+			annotationTypeMap.put(After.class, AspectJAnnotationType.AtAfter);
+			annotationTypeMap.put(AfterReturning.class, AspectJAnnotationType.AtAfterReturning);
+			annotationTypeMap.put(AfterThrowing.class, AspectJAnnotationType.AtAfterThrowing);
 		}

 		private final A annotation;
@@ -190,44 +190,31 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 		public AspectJAnnotation(A annotation) {
 			this.annotation = annotation;
 			this.annotationType = determineAnnotationType(annotation);
-			// We know these methods exist with the same name on each object,
-			// but need to invoke them reflectively as there isn't a common interface.
 			try {
 				this.pointcutExpression = resolveExpression(annotation);
-				this.argumentNames = (String) annotation.getClass().getMethod("argNames").invoke(annotation);
+				this.argumentNames = (String) AnnotationUtils.getValue(annotation, "argNames");
 			}
 			catch (Exception ex) {
-				throw new IllegalArgumentException(annotation + " cannot be an AspectJ annotation", ex);
+				throw new IllegalArgumentException(annotation + " is not a valid AspectJ annotation", ex);
 			}
 		}

 		private AspectJAnnotationType determineAnnotationType(A annotation) {
-			for (Class<?> type : annotationTypes.keySet()) {
-				if (type.isInstance(annotation)) {
-					return annotationTypes.get(type);
-				}
+			AspectJAnnotationType type = annotationTypeMap.get(annotation.annotationType());
+			if (type != null) {
+				return type;
 			}
-			throw new IllegalStateException("Unknown annotation type: " + annotation.toString());
+			throw new IllegalStateException("Unknown annotation type: " + annotation);
 		}

-		private String resolveExpression(A annotation) throws Exception {
-			String expression = null;
-			for (String methodName : EXPRESSION_PROPERTIES) {
-				Method method;
-				try {
-					method = annotation.getClass().getDeclaredMethod(methodName);
-				}
-				catch (NoSuchMethodException ex) {
-					method = null;
-				}
-				if (method != null) {
-					String candidate = (String) method.invoke(annotation);
-					if (StringUtils.hasText(candidate)) {
-						expression = candidate;
-					}
+		private String resolveExpression(A annotation) {
+			for (String attributeName : EXPRESSION_ATTRIBUTES) {
+				String candidate = (String) AnnotationUtils.getValue(annotation, attributeName);
+				if (StringUtils.hasText(candidate)) {
+					return candidate;
 				}
 			}
-			return expression;
+			throw new IllegalStateException("Failed to resolve expression: " + annotation);
 		}

 		public AspectJAnnotationType getAnnotationType() {
@@ -268,11 +255,11 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 			if (annotation == null) {
 				return null;
 			}
-			StringTokenizer strTok = new StringTokenizer(annotation.getArgumentNames(), ",");
-			if (strTok.countTokens() > 0) {
-				String[] names = new String[strTok.countTokens()];
+			StringTokenizer nameTokens = new StringTokenizer(annotation.getArgumentNames(), ",");
+			if (nameTokens.countTokens() > 0) {
+				String[] names = new String[nameTokens.countTokens()];
 				for (int i = 0; i < names.length; i++) {
-					names[i] = strTok.nextToken();
+					names[i] = nameTokens.nextToken();
 				}
 				return names;
 			}
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -168,19 +168,19 @@ public class AspectJProxyFactory extends ProxyCreatorSupport {
 			synchronized (aspectCache) {
 				// To be safe, check within full lock now...
 				instance = aspectCache.get(aspectClass);
-				if (instance != null) {
-					return instance;
-				}
-				try {
-					instance = aspectClass.newInstance();
-					aspectCache.put(aspectClass, instance);
-					return instance;
-				}
-				catch (InstantiationException ex) {
-					throw new AopConfigException("Unable to instantiate aspect class [" + aspectClass.getName() + "]", ex);
-				}
-				catch (IllegalAccessException ex) {
-					throw new AopConfigException("Cannot access aspect class [" + aspectClass.getName() + "]", ex);
+				if (instance == null) {
+					try {
+						instance = aspectClass.newInstance();
+						aspectCache.put(aspectClass, instance);
+					}
+					catch (InstantiationException ex) {
+						throw new AopConfigException(
+								"Unable to instantiate aspect class: " + aspectClass.getName(), ex);
+					}
+					catch (IllegalAccessException ex) {
+						throw new AopConfigException(
+								"Could not access aspect constructor: " + aspectClass.getName(), ex);
+					}
 				}
 			}
 		}
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -127,7 +127,7 @@ public class AspectMetadata implements Serializable {
 	 */
 	private String findPerClause(Class<?> aspectClass) {
 		String str = aspectClass.getAnnotation(Aspect.class).value();
-		str = str.substring(str.indexOf("(") + 1);
+		str = str.substring(str.indexOf('(') + 1);
 		str = str.substring(0, str.length() - 1);
 		return str;
 	}
@@ -148,7 +148,7 @@ public class AspectMetadata implements Serializable {
 	}

 	/**
-	 * Return the aspect class.
+	 * Return the aspect name.
 	 */
 	public String getAspectName() {
 		return this.aspectName;
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -109,14 +109,40 @@ class InstantiationModelAwarePointcutAdvisorImpl


 	/**
-	 * The pointcut for Spring AOP to use. Actual behaviour of the pointcut will change
-	 * depending on the state of the advice.
+	 * The pointcut for Spring AOP to use.
+	 * Actual behaviour of the pointcut will change depending on the state of the advice.
 	 */
 	@Override
 	public Pointcut getPointcut() {
 		return this.pointcut;
 	}

+	@Override
+	public boolean isLazy() {
+		return this.lazy;
+	}
+
+	@Override
+	public synchronized boolean isAdviceInstantiated() {
+		return (this.instantiatedAdvice != null);
+	}
+
+	/**
+	 * Lazily instantiate advice if necessary.
+	 */
+	@Override
+	public synchronized Advice getAdvice() {
+		if (this.instantiatedAdvice == null) {
+			this.instantiatedAdvice = instantiateAdvice(this.declaredPointcut);
+		}
+		return this.instantiatedAdvice;
+	}
+
+	private Advice instantiateAdvice(AspectJExpressionPointcut pcut) {
+		return this.aspectJAdvisorFactory.getAdvice(this.aspectJAdviceMethod, pcut,
+				this.aspectInstanceFactory, this.declarationOrder, this.aspectName);
+	}
+
 	/**
 	 * This is only of interest for Spring AOP: AspectJ instantiation semantics
 	 * are much richer. In AspectJ terminology, all a return of {@code true}
@@ -134,33 +160,6 @@ class InstantiationModelAwarePointcutAdvisorImpl
 		return this.aspectInstanceFactory.getAspectMetadata();
 	}

-	/**
-	 * Lazily instantiate advice if necessary.
-	 */
-	@Override
-	public synchronized Advice getAdvice() {
-		if (this.instantiatedAdvice == null) {
-			this.instantiatedAdvice = instantiateAdvice(this.declaredPointcut);
-		}
-		return this.instantiatedAdvice;
-	}
-
-	@Override
-	public boolean isLazy() {
-		return this.lazy;
-	}
-
-	@Override
-	public synchronized boolean isAdviceInstantiated() {
-		return (this.instantiatedAdvice != null);
-	}
-
-
-	private Advice instantiateAdvice(AspectJExpressionPointcut pcut) {
-		return this.aspectJAdvisorFactory.getAdvice(this.aspectJAdviceMethod, pcut,
-				this.aspectInstanceFactory, this.declarationOrder, this.aspectName);
-	}
-
 	public MetadataAwareAspectInstanceFactory getAspectInstanceFactory() {
 		return this.aspectInstanceFactory;
 	}
@@ -213,33 +212,26 @@ class InstantiationModelAwarePointcutAdvisorImpl
 		}
 		else {
 			switch (aspectJAnnotation.getAnnotationType()) {
+				case AtPointcut:
+				case AtAround:
+					this.isBeforeAdvice = false;
+					this.isAfterAdvice = false;
+					break;
+				case AtBefore:
+					this.isBeforeAdvice = true;
+					this.isAfterAdvice = false;
+					break;
 				case AtAfter:
 				case AtAfterReturning:
 				case AtAfterThrowing:
+					this.isBeforeAdvice = false;
 					this.isAfterAdvice = true;
-					this.isBeforeAdvice = false;
 					break;
-				case AtAround:
-				case AtPointcut:
-					this.isAfterAdvice = false;
-					this.isBeforeAdvice = false;
-					break;
-				case AtBefore:
-					this.isAfterAdvice = false;
-					this.isBeforeAdvice = true;
 			}
 		}
 	}


-	@Override
-	public String toString() {
-		return "InstantiationModelAwarePointcutAdvisor: expression [" + getDeclaredPointcut().getExpression() +
-			"]; advice method [" + this.aspectJAdviceMethod + "]; perClauseKind=" +
-			this.aspectInstanceFactory.getAspectMetadata().getAjType().getPerClause().getKind();
-
-	}
-
 	private void readObject(ObjectInputStream inputStream) throws IOException, ClassNotFoundException {
 		inputStream.defaultReadObject();
 		try {
@@ -250,11 +242,18 @@ class InstantiationModelAwarePointcutAdvisorImpl
 		}
 	}

+	@Override
+	public String toString() {
+		return "InstantiationModelAwarePointcutAdvisor: expression [" + getDeclaredPointcut().getExpression() +
+				"]; advice method [" + this.aspectJAdviceMethod + "]; perClauseKind=" +
+				this.aspectInstanceFactory.getAspectMetadata().getAjType().getPerClause().getKind();
+	}
+

 	/**
 	 * Pointcut implementation that changes its behaviour when the advice is instantiated.
-	 * Note that this is a <i>dynamic</i> pointcut. Otherwise it might
-	 * be optimized out if it does not at first match statically.
+	 * Note that this is a <i>dynamic</i> pointcut; otherwise it might be optimized out
+	 * if it does not at first match statically.
 	 */
 	private class PerTargetInstantiationModelPointcut extends DynamicMethodMatcherPointcut {

@@ -264,8 +263,9 @@ class InstantiationModelAwarePointcutAdvisorImpl

 		private LazySingletonAspectInstanceFactoryDecorator aspectInstanceFactory;

-		private PerTargetInstantiationModelPointcut(AspectJExpressionPointcut declaredPointcut,
+		public PerTargetInstantiationModelPointcut(AspectJExpressionPointcut declaredPointcut,
 				Pointcut preInstantiationPointcut, MetadataAwareAspectInstanceFactory aspectInstanceFactory) {
+
 			this.declaredPointcut = declaredPointcut;
 			this.preInstantiationPointcut = preInstantiationPointcut;
 			if (aspectInstanceFactory instanceof LazySingletonAspectInstanceFactoryDecorator) {
@@ -275,7 +275,8 @@ class InstantiationModelAwarePointcutAdvisorImpl

 		@Override
 		public boolean matches(Method method, Class<?> targetClass) {
-			// We're either instantiated and matching on declared pointcut, or uninstantiated matching on either pointcut
+			// We're either instantiated and matching on declared pointcut,
+			// or uninstantiated matching on either pointcut...
 			return (isAspectMaterialized() && this.declaredPointcut.matches(method, targetClass)) ||
 					this.preInstantiationPointcut.getMethodMatcher().matches(method, targetClass);
 		}
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2020 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
+ *      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,
@@ -20,9 +20,9 @@ import java.io.Serializable;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
-import java.util.LinkedList;
 import java.util.List;

 import org.aopalliance.aop.Advice;
@@ -80,9 +80,8 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 				new Converter<Method, Annotation>() {
 					@Override
 					public Annotation convert(Method method) {
-						AspectJAnnotation<?> annotation =
-								AbstractAspectJAdvisorFactory.findAspectJAnnotationOnMethod(method);
-						return (annotation != null ? annotation.getAnnotation() : null);
+						AspectJAnnotation<?> ann = AbstractAspectJAdvisorFactory.findAspectJAnnotationOnMethod(method);
+						return (ann != null ? ann.getAnnotation() : null);
 					}
 				}));
 		comparator.addComparator(new ConvertingComparator<Method, String>(
@@ -131,7 +130,7 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 		MetadataAwareAspectInstanceFactory lazySingletonAspectInstanceFactory =
 				new LazySingletonAspectInstanceFactoryDecorator(aspectInstanceFactory);

-		List<Advisor> advisors = new LinkedList<Advisor>();
+		List<Advisor> advisors = new ArrayList<Advisor>();
 		for (Method method : getAdvisorMethods(aspectClass)) {
 			Advisor advisor = getAdvisor(method, lazySingletonAspectInstanceFactory, advisors.size(), aspectName);
 			if (advisor != null) {
@@ -157,7 +156,7 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 	}

 	private List<Method> getAdvisorMethods(Class<?> aspectClass) {
-		final List<Method> methods = new LinkedList<Method>();
+		final List<Method> methods = new ArrayList<Method>();
 		ReflectionUtils.doWithMethods(aspectClass, new ReflectionUtils.MethodCallback() {
 			@Override
 			public void doWith(Method method) throws IllegalArgumentException {
@@ -176,7 +175,7 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 	 * for the given introduction field.
 	 * <p>Resulting Advisors will need to be evaluated for targets.
 	 * @param introductionField the field to introspect
-	 * @return {@code null} if not an Advisor
+	 * @return the Advisor instance, or {@code null} if not an Advisor
 	 */
 	private Advisor getDeclareParentsAdvisor(Field introductionField) {
 		DeclareParents declareParents = introductionField.getAnnotation(DeclareParents.class);
@@ -253,6 +252,15 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 		AbstractAspectJAdvice springAdvice;

 		switch (aspectJAnnotation.getAnnotationType()) {
+			case AtPointcut:
+				if (logger.isDebugEnabled()) {
+					logger.debug("Processing pointcut '" + candidateAdviceMethod.getName() + "'");
+				}
+				return null;
+			case AtAround:
+				springAdvice = new AspectJAroundAdvice(
+						candidateAdviceMethod, expressionPointcut, aspectInstanceFactory);
+				break;
 			case AtBefore:
 				springAdvice = new AspectJMethodBeforeAdvice(
 						candidateAdviceMethod, expressionPointcut, aspectInstanceFactory);
@@ -277,15 +285,6 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 					springAdvice.setThrowingName(afterThrowingAnnotation.throwing());
 				}
 				break;
-			case AtAround:
-				springAdvice = new AspectJAroundAdvice(
-						candidateAdviceMethod, expressionPointcut, aspectInstanceFactory);
-				break;
-			case AtPointcut:
-				if (logger.isDebugEnabled()) {
-					logger.debug("Processing pointcut '" + candidateAdviceMethod.getName() + "'");
-				}
-				return null;
 			default:
 				throw new UnsupportedOperationException(
 						"Unsupported advice type on method: " + candidateAdviceMethod);
@@ -299,6 +298,7 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 			springAdvice.setArgumentNamesFromStringArray(argNames);
 		}
 		springAdvice.calculateArgumentBindings();
+
 		return springAdvice;
 	}

@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2020 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
+ *      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,
@@ -136,14 +136,8 @@ class AspectJPrecedenceComparator implements Comparator<Advisor> {
 	}

 	private int getAspectDeclarationOrder(Advisor anAdvisor) {
-		AspectJPrecedenceInformation precedenceInfo =
-			AspectJAopUtils.getAspectJPrecedenceInformationFor(anAdvisor);
-		if (precedenceInfo != null) {
-			return precedenceInfo.getDeclarationOrder();
-		}
-		else {
-			return 0;
-		}
+		AspectJPrecedenceInformation precedenceInfo = AspectJAopUtils.getAspectJPrecedenceInformationFor(anAdvisor);
+		return (precedenceInfo != null ? precedenceInfo.getDeclarationOrder() : 0);
 	}

 }
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -31,11 +31,10 @@ import org.springframework.util.Assert;
 /**
 * Utility class for handling registration of AOP auto-proxy creators.
 *
- * <p>Only a single auto-proxy creator can be registered yet multiple concrete
- * implementations are available. Therefore this class wraps a simple escalation
- * protocol, allowing classes to request a particular auto-proxy creator and know
- * that class, {@code or a subclass thereof}, will eventually be resident
- * in the application context.
+ * <p>Only a single auto-proxy creator should be registered yet multiple concrete
+ * implementations are available. This class provides a simple escalation protocol,
+ * allowing a caller to request a particular auto-proxy creator and know that creator,
+ * <i>or a more capable variant thereof</i>, will be registered as a post-processor.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
@@ -54,12 +53,10 @@ public abstract class AopConfigUtils {
 	/**
 	 * Stores the auto proxy creator classes in escalation order.
 	 */
-	private static final List<Class<?>> APC_PRIORITY_LIST = new ArrayList<Class<?>>();
+	private static final List<Class<?>> APC_PRIORITY_LIST = new ArrayList<Class<?>>(3);

-	/**
-	 * Setup the escalation list.
-	 */
 	static {
+		// Set up the escalation list...
 		APC_PRIORITY_LIST.add(InfrastructureAdvisorAutoProxyCreator.class);
 		APC_PRIORITY_LIST.add(AspectJAwareAdvisorAutoProxyCreator.class);
 		APC_PRIORITY_LIST.add(AnnotationAwareAspectJAutoProxyCreator.class);
@@ -107,6 +104,7 @@ public abstract class AopConfigUtils {

 	private static BeanDefinition registerOrEscalateApcAsRequired(Class<?> cls, BeanDefinitionRegistry registry, Object source) {
 		Assert.notNull(registry, "BeanDefinitionRegistry must not be null");
+
 		if (registry.containsBeanDefinition(AUTO_PROXY_CREATOR_BEAN_NAME)) {
 			BeanDefinition apcDefinition = registry.getBeanDefinition(AUTO_PROXY_CREATOR_BEAN_NAME);
 			if (!cls.getName().equals(apcDefinition.getBeanClassName())) {
@@ -118,6 +116,7 @@ public abstract class AopConfigUtils {
 			}
 			return null;
 		}
+
 		RootBeanDefinition beanDefinition = new RootBeanDefinition(cls);
 		beanDefinition.setSource(source);
 		beanDefinition.getPropertyValues().add("order", Ordered.HIGHEST_PRECEDENCE);
@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2020 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
+ *      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,
@@ -61,12 +61,12 @@ public class AopNamespaceHandler extends NamespaceHandlerSupport {
 	 */
 	@Override
 	public void init() {
-		// In 2.0 XSD as well as in 2.1 XSD.
+		// In 2.0 XSD as well as in 2.5+ XSDs
 		registerBeanDefinitionParser("config", new ConfigBeanDefinitionParser());
 		registerBeanDefinitionParser("aspectj-autoproxy", new AspectJAutoProxyBeanDefinitionParser());
 		registerBeanDefinitionDecorator("scoped-proxy", new ScopedProxyBeanDefinitionDecorator());

-		// Only in 2.0 XSD: moved to context namespace as of 2.1
+		// Only in 2.0 XSD: moved to context namespace in 2.5+
 		registerBeanDefinitionParser("spring-configured", new SpringConfiguredBeanDefinitionParser());
 	}

@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2018 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
+ *      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,
@@ -27,11 +27,11 @@ import org.springframework.beans.factory.xml.ParserContext;
 * Utility class for handling registration of auto-proxy creators used internally
 * by the '{@code aop}' namespace tags.
 *
- * <p>Only a single auto-proxy creator can be registered and multiple tags may wish
- * to register different concrete implementations. As such this class delegates to
- * {@link AopConfigUtils} which wraps a simple escalation protocol. Therefore classes
- * may request a particular auto-proxy creator and know that class, <i>or a subclass
- * thereof</i>, will eventually be resident in the application context.
+ * <p>Only a single auto-proxy creator should be registered and multiple configuration
+ * elements may wish to register different concrete implementations. As such this class
+ * delegates to {@link AopConfigUtils} which provides a simple escalation protocol.
+ * Callers may request a particular auto-proxy creator and know that creator,
+ * <i>or a more capable variant thereof</i>, will be registered as a post-processor.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
@@ -81,11 +81,11 @@ public abstract class AopNamespaceUtils {

 	private static void useClassProxyingIfNecessary(BeanDefinitionRegistry registry, Element sourceElement) {
 		if (sourceElement != null) {
-			boolean proxyTargetClass = Boolean.valueOf(sourceElement.getAttribute(PROXY_TARGET_CLASS_ATTRIBUTE));
+			boolean proxyTargetClass = Boolean.parseBoolean(sourceElement.getAttribute(PROXY_TARGET_CLASS_ATTRIBUTE));
 			if (proxyTargetClass) {
 				AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
 			}
-			boolean exposeProxy = Boolean.valueOf(sourceElement.getAttribute(EXPOSE_PROXY_ATTRIBUTE));
+			boolean exposeProxy = Boolean.parseBoolean(sourceElement.getAttribute(EXPOSE_PROXY_ATTRIBUTE));
 			if (exposeProxy) {
 				AopConfigUtils.forceAutoProxyCreatorToExposeProxy(registry);
 			}
@@ -94,9 +94,8 @@ public abstract class AopNamespaceUtils {

 	private static void registerComponentIfNecessary(BeanDefinition beanDefinition, ParserContext parserContext) {
 		if (beanDefinition != null) {
-			BeanComponentDefinition componentDefinition =
-					new BeanComponentDefinition(beanDefinition, AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
-			parserContext.registerComponent(componentDefinition);
+			parserContext.registerComponent(
+					new BeanComponentDefinition(beanDefinition, AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME));
 		}
 	}

@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
@@ -5,7 +5,7 @@
 * 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
+ *      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,
--- a/Show More
+++ b/Show More