mirror of
https://github.com/spring-projects/spring-framework
synced 2026-06-08 17:33:33 +00:00
Removed deprecated helper classes and methods (that have been deprecated since 3.0 or before)
This commit is contained in:
Juergen Hoeller
@@ -893,7 +893,7 @@ public class DispatcherServlet extends FrameworkServlet {
|
||||
multipartRequestParsed = processedRequest != request;
|
||||
|
||||
// Determine handler for the current request.
|
||||
mappedHandler = getHandler(processedRequest, false);
|
||||
mappedHandler = getHandler(processedRequest);
|
||||
if (mappedHandler == null || mappedHandler.getHandler() == null) {
|
||||
noHandlerFound(processedRequest, response);
|
||||
return;
|
||||
@@ -1063,19 +1063,6 @@ public class DispatcherServlet extends FrameworkServlet {
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the HandlerExecutionChain for this request. Try all handler mappings in order.
|
||||
* @param request current HTTP request
|
||||
* @param cache whether to cache the HandlerExecutionChain in a request attribute
|
||||
* @return the HandlerExecutionChain, or {@code null} if no handler could be found
|
||||
* @deprecated as of Spring 3.0.4, in favor of {@link #getHandler(javax.servlet.http.HttpServletRequest)},
|
||||
* with this method's cache attribute now effectively getting ignored
|
||||
*/
|
||||
@Deprecated
|
||||
protected HandlerExecutionChain getHandler(HttpServletRequest request, boolean cache) throws Exception {
|
||||
return getHandler(request);
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the HandlerExecutionChain for this request.
|
||||
* <p>Tries all handler mappings in order.
|
||||
|
||||
+1
-12
@@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright 2002-2012 the original author or authors.
|
||||
* Copyright 2002-2013 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
@@ -17,14 +17,12 @@
|
||||
package org.springframework.web.servlet.tags.form;
|
||||
|
||||
import java.beans.PropertyEditor;
|
||||
|
||||
import javax.servlet.ServletRequest;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.jsp.JspException;
|
||||
import javax.servlet.jsp.PageContext;
|
||||
|
||||
import org.springframework.beans.PropertyAccessor;
|
||||
import org.springframework.core.Conventions;
|
||||
import org.springframework.util.StringUtils;
|
||||
import org.springframework.web.servlet.support.BindStatus;
|
||||
import org.springframework.web.servlet.support.RequestDataValueProcessor;
|
||||
@@ -52,15 +50,6 @@ public abstract class AbstractDataBoundFormElementTag extends AbstractFormTag im
|
||||
*/
|
||||
protected static final String NESTED_PATH_VARIABLE_NAME = NestedPathTag.NESTED_PATH_VARIABLE_NAME;
|
||||
|
||||
/**
|
||||
* The name of the {@link javax.servlet.jsp.PageContext} attribute under which the
|
||||
* command object name is exposed.
|
||||
* @deprecated as of Spring 2.5, in favor of {@link FormTag#MODEL_ATTRIBUTE_VARIABLE_NAME}
|
||||
*/
|
||||
@Deprecated
|
||||
public static final String COMMAND_NAME_VARIABLE_NAME =
|
||||
Conventions.getQualifiedAttributeName(AbstractFormTag.class, "commandName");
|
||||
|
||||
|
||||
/**
|
||||
* The property path from the {@link FormTag#setModelAttribute form object}.
|
||||
|
||||
@@ -17,7 +17,6 @@
|
||||
package org.springframework.web.servlet.tags.form;
|
||||
|
||||
import java.util.Map;
|
||||
|
||||
import javax.servlet.ServletRequest;
|
||||
import javax.servlet.ServletResponse;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
@@ -42,17 +41,11 @@ import org.springframework.web.util.HtmlUtils;
|
||||
* populating the data for their view. The name of this form object can be
|
||||
* configured using the {@link #setModelAttribute "modelAttribute"} property.
|
||||
*
|
||||
* <p>The default value for the {@link #setModelAttribute "modelAttribute"}
|
||||
* property is '{@code command}' which corresponds to the default name
|
||||
* when using the
|
||||
* {@link org.springframework.web.servlet.mvc.SimpleFormController SimpleFormController}.
|
||||
*
|
||||
* @author Rob Harrop
|
||||
* @author Juergen Hoeller
|
||||
* @author Scott Andrews
|
||||
* @author Rossen Stoyanchev
|
||||
* @since 2.0
|
||||
* @see org.springframework.web.servlet.mvc.SimpleFormController
|
||||
*/
|
||||
@SuppressWarnings("serial")
|
||||
public class FormTag extends AbstractHtmlElementTag {
|
||||
@@ -360,7 +353,6 @@ public class FormTag extends AbstractHtmlElementTag {
|
||||
// Expose the form object name for nested tags...
|
||||
String modelAttribute = resolveModelAttribute();
|
||||
this.pageContext.setAttribute(MODEL_ATTRIBUTE_VARIABLE_NAME, modelAttribute, PageContext.REQUEST_SCOPE);
|
||||
this.pageContext.setAttribute(COMMAND_NAME_VARIABLE_NAME, modelAttribute, PageContext.REQUEST_SCOPE);
|
||||
|
||||
// Save previous nestedPath value, build and expose current nestedPath value.
|
||||
// Use request scope to expose nestedPath to included pages too.
|
||||
@@ -487,7 +479,6 @@ public class FormTag extends AbstractHtmlElementTag {
|
||||
public void doFinally() {
|
||||
super.doFinally();
|
||||
this.pageContext.removeAttribute(MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE);
|
||||
this.pageContext.removeAttribute(COMMAND_NAME_VARIABLE_NAME, PageContext.REQUEST_SCOPE);
|
||||
if (this.previousNestedPath != null) {
|
||||
// Expose previous nestedPath value.
|
||||
this.pageContext.setAttribute(NESTED_PATH_VARIABLE_NAME, this.previousNestedPath, PageContext.REQUEST_SCOPE);
|
||||
|
||||
-579
@@ -1,579 +0,0 @@
|
||||
/*
|
||||
* Copyright 2002-2012 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.springframework.web.servlet.view.xslt;
|
||||
|
||||
import java.io.BufferedOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.net.URL;
|
||||
import java.util.Enumeration;
|
||||
import java.util.Map;
|
||||
import java.util.Properties;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.http.HttpServletResponse;
|
||||
import javax.xml.transform.ErrorListener;
|
||||
import javax.xml.transform.OutputKeys;
|
||||
import javax.xml.transform.Result;
|
||||
import javax.xml.transform.Source;
|
||||
import javax.xml.transform.Templates;
|
||||
import javax.xml.transform.Transformer;
|
||||
import javax.xml.transform.TransformerConfigurationException;
|
||||
import javax.xml.transform.TransformerException;
|
||||
import javax.xml.transform.TransformerFactory;
|
||||
import javax.xml.transform.TransformerFactoryConfigurationError;
|
||||
import javax.xml.transform.URIResolver;
|
||||
import javax.xml.transform.dom.DOMSource;
|
||||
import javax.xml.transform.stream.StreamResult;
|
||||
import javax.xml.transform.stream.StreamSource;
|
||||
|
||||
import org.w3c.dom.Node;
|
||||
|
||||
import org.springframework.context.ApplicationContextException;
|
||||
import org.springframework.core.io.Resource;
|
||||
import org.springframework.util.Assert;
|
||||
import org.springframework.util.xml.SimpleTransformErrorListener;
|
||||
import org.springframework.util.xml.TransformerUtils;
|
||||
import org.springframework.web.servlet.view.AbstractView;
|
||||
import org.springframework.web.util.NestedServletException;
|
||||
|
||||
/**
|
||||
* Convenient superclass for views rendered using an XSLT stylesheet.
|
||||
*
|
||||
* <p>Subclasses typically must provide the {@link Source} to transform
|
||||
* by overriding {@link #createXsltSource}. Subclasses do not need to
|
||||
* concern themselves with XSLT other than providing a valid stylesheet location.
|
||||
*
|
||||
* <p>Properties:
|
||||
* <ul>
|
||||
* <li>{@link #setStylesheetLocation(org.springframework.core.io.Resource) stylesheetLocation}:
|
||||
* a {@link Resource} pointing to the XSLT stylesheet
|
||||
* <li>{@link #setRoot(String) root}: the name of the root element; defaults to {@link #DEFAULT_ROOT "DocRoot"}
|
||||
* <li>{@link #setUriResolver(javax.xml.transform.URIResolver) uriResolver}:
|
||||
* the {@link URIResolver} to be used in the transform
|
||||
* <li>{@link #setErrorListener(javax.xml.transform.ErrorListener) errorListener} (optional):
|
||||
* the {@link ErrorListener} implementation instance for custom handling of warnings and errors during TransformerFactory operations
|
||||
* <li>{@link #setIndent(boolean) indent} (optional): whether additional whitespace
|
||||
* may be added when outputting the result; defaults to {@code true}
|
||||
* <li>{@link #setCache(boolean) cache} (optional): are templates to be cached; debug setting only; defaults to {@code true}
|
||||
* </ul>
|
||||
*
|
||||
* <p>Note that setting {@link #setCache(boolean) "cache"} to {@code false}
|
||||
* will cause the template objects to be reloaded for each rendering. This is
|
||||
* useful during development, but will seriously affect performance in production
|
||||
* and is not thread-safe.
|
||||
*
|
||||
* @author Rod Johnson
|
||||
* @author Juergen Hoeller
|
||||
* @author Darren Davison
|
||||
* @deprecated since Spring 2.5; superseded by {@link XsltView} and its
|
||||
* more flexible {@link XsltView#locateSource} mechanism
|
||||
*/
|
||||
@Deprecated
|
||||
public abstract class AbstractXsltView extends AbstractView {
|
||||
|
||||
/** The default content type if no stylesheet specified */
|
||||
public static final String XML_CONTENT_TYPE = "text/xml;charset=ISO-8859-1";
|
||||
|
||||
/** The default document root name */
|
||||
public static final String DEFAULT_ROOT = "DocRoot";
|
||||
|
||||
|
||||
private boolean customContentTypeSet = false;
|
||||
|
||||
private Class transformerFactoryClass;
|
||||
|
||||
private Resource stylesheetLocation;
|
||||
|
||||
private String root = DEFAULT_ROOT;
|
||||
|
||||
private boolean useSingleModelNameAsRoot = true;
|
||||
|
||||
private URIResolver uriResolver;
|
||||
|
||||
private ErrorListener errorListener = new SimpleTransformErrorListener(logger);
|
||||
|
||||
private boolean indent = true;
|
||||
|
||||
private Properties outputProperties;
|
||||
|
||||
private boolean cache = true;
|
||||
|
||||
private TransformerFactory transformerFactory;
|
||||
|
||||
private volatile Templates cachedTemplates;
|
||||
|
||||
|
||||
/**
|
||||
* This constructor sets the content type to "text/xml;charset=ISO-8859-1"
|
||||
* by default. This will be switched to the standard web view default
|
||||
* "text/html;charset=ISO-8859-1" if a stylesheet location has been specified.
|
||||
* <p>A specific content type can be configured via the
|
||||
* {@link #setContentType "contentType"} bean property.
|
||||
*/
|
||||
protected AbstractXsltView() {
|
||||
super.setContentType(XML_CONTENT_TYPE);
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public void setContentType(String contentType) {
|
||||
super.setContentType(contentType);
|
||||
this.customContentTypeSet = true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Specify the XSLT TransformerFactory class to use.
|
||||
* <p>The default constructor of the specified class will be called
|
||||
* to build the TransformerFactory for this view.
|
||||
*/
|
||||
public void setTransformerFactoryClass(Class transformerFactoryClass) {
|
||||
Assert.isAssignable(TransformerFactory.class, transformerFactoryClass);
|
||||
this.transformerFactoryClass = transformerFactoryClass;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the location of the XSLT stylesheet.
|
||||
* <p>If the {@link TransformerFactory} used by this instance has already
|
||||
* been initialized then invoking this setter will result in the
|
||||
* {@link TransformerFactory#newTemplates(javax.xml.transform.Source) attendant templates}
|
||||
* being re-cached.
|
||||
* @param stylesheetLocation the location of the XSLT stylesheet
|
||||
* @see org.springframework.context.ApplicationContext#getResource
|
||||
*/
|
||||
public void setStylesheetLocation(Resource stylesheetLocation) {
|
||||
this.stylesheetLocation = stylesheetLocation;
|
||||
// Re-cache templates if transformer factory already initialized.
|
||||
resetCachedTemplates();
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the location of the XSLT stylesheet, if any.
|
||||
*/
|
||||
protected Resource getStylesheetLocation() {
|
||||
return this.stylesheetLocation;
|
||||
}
|
||||
|
||||
/**
|
||||
* The document root element name. Default is {@link #DEFAULT_ROOT "DocRoot"}.
|
||||
* <p>Only used if we're not passed a single {@link Node} as the model.
|
||||
* @param root the document root element name
|
||||
* @see #DEFAULT_ROOT
|
||||
*/
|
||||
public void setRoot(String root) {
|
||||
this.root = root;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set whether to use the name of a given single model object as the
|
||||
* document root element name.
|
||||
* <p>Default is {@code true} : If you pass in a model with a single object
|
||||
* named "myElement", then the document root will be named "myElement"
|
||||
* as well. Set this flag to {@code false} if you want to pass in a single
|
||||
* model object while still using the root element name configured
|
||||
* through the {@link #setRoot(String) "root" property}.
|
||||
* @param useSingleModelNameAsRoot {@code true} if the name of a given single
|
||||
* model object is to be used as the document root element name
|
||||
* @see #setRoot
|
||||
*/
|
||||
public void setUseSingleModelNameAsRoot(boolean useSingleModelNameAsRoot) {
|
||||
this.useSingleModelNameAsRoot = useSingleModelNameAsRoot;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the URIResolver used in the transform.
|
||||
* <p>The URIResolver handles calls to the XSLT {@code document()} function.
|
||||
*/
|
||||
public void setUriResolver(URIResolver uriResolver) {
|
||||
this.uriResolver = uriResolver;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set an implementation of the {@link javax.xml.transform.ErrorListener}
|
||||
* interface for custom handling of transformation errors and warnings.
|
||||
* <p>If not set, a default
|
||||
* {@link org.springframework.util.xml.SimpleTransformErrorListener} is
|
||||
* used that simply logs warnings using the logger instance of the view class,
|
||||
* and rethrows errors to discontinue the XML transformation.
|
||||
* @see org.springframework.util.xml.SimpleTransformErrorListener
|
||||
*/
|
||||
public void setErrorListener(ErrorListener errorListener) {
|
||||
this.errorListener = errorListener;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set whether the XSLT transformer may add additional whitespace when
|
||||
* outputting the result tree.
|
||||
* <p>Default is {@code true} (on); set this to {@code false} (off)
|
||||
* to not specify an "indent" key, leaving the choice up to the stylesheet.
|
||||
* @see javax.xml.transform.OutputKeys#INDENT
|
||||
*/
|
||||
public void setIndent(boolean indent) {
|
||||
this.indent = indent;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set arbitrary transformer output properties to be applied to the stylesheet.
|
||||
* <p>Any values specified here will override defaults that this view sets
|
||||
* programmatically.
|
||||
* @see javax.xml.transform.Transformer#setOutputProperty
|
||||
*/
|
||||
public void setOutputProperties(Properties outputProperties) {
|
||||
this.outputProperties = outputProperties;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set whether to activate the template cache for this view.
|
||||
* <p>Default is {@code true}. Turn this off to refresh
|
||||
* the Templates object on every access, e.g. during development.
|
||||
* @see #resetCachedTemplates()
|
||||
*/
|
||||
public void setCache(boolean cache) {
|
||||
this.cache = cache;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reset the cached Templates object, if any.
|
||||
* <p>The Templates object will subsequently be rebuilt on next
|
||||
* {@link #getTemplates() access}, if caching is enabled.
|
||||
* @see #setCache
|
||||
*/
|
||||
public final void resetCachedTemplates() {
|
||||
this.cachedTemplates = null;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Here we load our template, as we need the
|
||||
* {@link org.springframework.context.ApplicationContext} to do it.
|
||||
*/
|
||||
@Override
|
||||
protected final void initApplicationContext() throws ApplicationContextException {
|
||||
this.transformerFactory = newTransformerFactory(this.transformerFactoryClass);
|
||||
this.transformerFactory.setErrorListener(this.errorListener);
|
||||
if (this.uriResolver != null) {
|
||||
this.transformerFactory.setURIResolver(this.uriResolver);
|
||||
}
|
||||
if (getStylesheetLocation() != null && !this.customContentTypeSet) {
|
||||
// Use "text/html" as default (instead of "text/xml") if a stylesheet
|
||||
// has been configured but no custom content type has been set.
|
||||
super.setContentType(DEFAULT_CONTENT_TYPE);
|
||||
}
|
||||
try {
|
||||
getTemplates();
|
||||
}
|
||||
catch (TransformerConfigurationException ex) {
|
||||
throw new ApplicationContextException("Cannot load stylesheet for XSLT view '" + getBeanName() + "'", ex);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Instantiate a new TransformerFactory for this view.
|
||||
* <p>The default implementation simply calls
|
||||
* {@link javax.xml.transform.TransformerFactory#newInstance()}.
|
||||
* If a {@link #setTransformerFactoryClass "transformerFactoryClass"}
|
||||
* has been specified explicitly, the default constructor of the
|
||||
* specified class will be called instead.
|
||||
* <p>Can be overridden in subclasses.
|
||||
* @param transformerFactoryClass the specified factory class (if any)
|
||||
* @return the new TransactionFactory instance
|
||||
* @throws TransformerFactoryConfigurationError in case of instantiation failure
|
||||
* @see #setTransformerFactoryClass
|
||||
* @see #getTransformerFactory()
|
||||
*/
|
||||
protected TransformerFactory newTransformerFactory(Class transformerFactoryClass) {
|
||||
if (transformerFactoryClass != null) {
|
||||
try {
|
||||
return (TransformerFactory) transformerFactoryClass.newInstance();
|
||||
}
|
||||
catch (Exception ex) {
|
||||
throw new TransformerFactoryConfigurationError(ex, "Could not instantiate TransformerFactory");
|
||||
}
|
||||
}
|
||||
else {
|
||||
return TransformerFactory.newInstance();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the TransformerFactory used by this view.
|
||||
* Available once the View object has been fully initialized.
|
||||
*/
|
||||
protected final TransformerFactory getTransformerFactory() {
|
||||
return this.transformerFactory;
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
protected final void renderMergedOutputModel(
|
||||
Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
|
||||
|
||||
response.setContentType(getContentType());
|
||||
|
||||
Source source = null;
|
||||
String docRoot = null;
|
||||
// Value of a single element in the map, if there is one.
|
||||
Object singleModel = null;
|
||||
|
||||
if (this.useSingleModelNameAsRoot && model.size() == 1) {
|
||||
docRoot = model.keySet().iterator().next();
|
||||
if (logger.isDebugEnabled()) {
|
||||
logger.debug("Single model object received, key [" + docRoot + "] will be used as root tag");
|
||||
}
|
||||
singleModel = model.get(docRoot);
|
||||
}
|
||||
|
||||
// Handle special case when we have a single node.
|
||||
if (singleModel instanceof Node || singleModel instanceof Source) {
|
||||
// Don't domify if the model is already an XML node/source.
|
||||
// We don't need to worry about model name, either:
|
||||
// we leave the Node alone.
|
||||
logger.debug("No need to domify: was passed an XML Node or Source");
|
||||
source = (singleModel instanceof Node ? new DOMSource((Node) singleModel) : (Source) singleModel);
|
||||
}
|
||||
else {
|
||||
// docRoot local variable takes precedence
|
||||
source = createXsltSource(model, (docRoot != null ? docRoot : this.root), request, response);
|
||||
}
|
||||
|
||||
doTransform(model, source, request, response);
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the XML {@link Source} to transform.
|
||||
* @param model the model Map
|
||||
* @param root name for root element. This can be supplied as a bean property
|
||||
* to concrete subclasses within the view definition file, but will be overridden
|
||||
* in the case of a single object in the model map to be the key for that object.
|
||||
* If no root property is specified and multiple model objects exist, a default
|
||||
* root tag name will be supplied.
|
||||
* @param request HTTP request. Subclasses won't normally use this, as
|
||||
* request processing should have been complete. However, we might want to
|
||||
* create a RequestContext to expose as part of the model.
|
||||
* @param response HTTP response. Subclasses won't normally use this,
|
||||
* however there may sometimes be a need to set cookies.
|
||||
* @return the XSLT Source to transform
|
||||
* @throws Exception if an error occurs
|
||||
*/
|
||||
protected Source createXsltSource(
|
||||
Map<String, Object> model, String root, HttpServletRequest request, HttpServletResponse response)
|
||||
throws Exception {
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Perform the actual transformation, writing to the HTTP response.
|
||||
* <p>The default implementation delegates to the
|
||||
* {@link #doTransform(javax.xml.transform.Source, java.util.Map, javax.xml.transform.Result, String)}
|
||||
* method, building a StreamResult for the ServletResponse OutputStream
|
||||
* or for the ServletResponse Writer (according to {@link #useWriter()}).
|
||||
* @param model the model Map
|
||||
* @param source the Source to transform
|
||||
* @param request current HTTP request
|
||||
* @param response current HTTP response
|
||||
* @throws Exception if an error occurs
|
||||
* @see javax.xml.transform.stream.StreamResult
|
||||
* @see javax.servlet.ServletResponse#getOutputStream()
|
||||
* @see javax.servlet.ServletResponse#getWriter()
|
||||
* @see #useWriter()
|
||||
*/
|
||||
protected void doTransform(
|
||||
Map<String, Object> model, Source source, HttpServletRequest request, HttpServletResponse response)
|
||||
throws Exception {
|
||||
|
||||
Map<String, Object> parameters = getParameters(model, request);
|
||||
Result result = (useWriter() ?
|
||||
new StreamResult(response.getWriter()) :
|
||||
new StreamResult(new BufferedOutputStream(response.getOutputStream())));
|
||||
String encoding = response.getCharacterEncoding();
|
||||
doTransform(source, parameters, result, encoding);
|
||||
}
|
||||
|
||||
/**
|
||||
* Return a Map of transformer parameters to be applied to the stylesheet.
|
||||
* <p>Subclasses can override this method in order to apply one or more
|
||||
* parameters to the transformation process.
|
||||
* <p>The default implementation delegates to the
|
||||
* {@link #getParameters(HttpServletRequest)} variant.
|
||||
* @param model the model Map
|
||||
* @param request current HTTP request
|
||||
* @return a Map of parameters to apply to the transformation process
|
||||
* @see javax.xml.transform.Transformer#setParameter
|
||||
*/
|
||||
protected Map getParameters(Map<String, Object> model, HttpServletRequest request) {
|
||||
return getParameters(request);
|
||||
}
|
||||
|
||||
/**
|
||||
* Return a Map of transformer parameters to be applied to the stylesheet.
|
||||
* <p>Subclasses can override this method in order to apply one or more
|
||||
* parameters to the transformation process.
|
||||
* <p>The default implementation simply returns {@code null}.
|
||||
* @param request current HTTP request
|
||||
* @return a Map of parameters to apply to the transformation process
|
||||
* @see #getParameters(Map, HttpServletRequest)
|
||||
* @see javax.xml.transform.Transformer#setParameter
|
||||
*/
|
||||
protected Map getParameters(HttpServletRequest request) {
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return whether to use a {@code java.io.Writer} to write text content
|
||||
* to the HTTP response. Else, a {@code java.io.OutputStream} will be used,
|
||||
* to write binary content to the response.
|
||||
* <p>The default implementation returns {@code false}, indicating a
|
||||
* a {@code java.io.OutputStream}.
|
||||
* @return whether to use a Writer ({@code true}) or an OutputStream
|
||||
* ({@code false})
|
||||
* @see javax.servlet.ServletResponse#getWriter()
|
||||
* @see javax.servlet.ServletResponse#getOutputStream()
|
||||
*/
|
||||
protected boolean useWriter() {
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Perform the actual transformation, writing to the given result.
|
||||
* @param source the Source to transform
|
||||
* @param parameters a Map of parameters to be applied to the stylesheet
|
||||
* (as determined by {@link #getParameters(Map, HttpServletRequest)})
|
||||
* @param result the result to write to
|
||||
* @param encoding the preferred character encoding that the underlying Transformer should use
|
||||
* @throws Exception if an error occurs
|
||||
*/
|
||||
protected void doTransform(Source source, Map<String, Object> parameters, Result result, String encoding)
|
||||
throws Exception {
|
||||
|
||||
try {
|
||||
Transformer trans = buildTransformer(parameters);
|
||||
|
||||
// Explicitly apply URIResolver to every created Transformer.
|
||||
if (this.uriResolver != null) {
|
||||
trans.setURIResolver(this.uriResolver);
|
||||
}
|
||||
|
||||
// Specify default output properties.
|
||||
trans.setOutputProperty(OutputKeys.ENCODING, encoding);
|
||||
if (this.indent) {
|
||||
TransformerUtils.enableIndenting(trans);
|
||||
}
|
||||
|
||||
// Apply any arbitrary output properties, if specified.
|
||||
if (this.outputProperties != null) {
|
||||
Enumeration propsEnum = this.outputProperties.propertyNames();
|
||||
while (propsEnum.hasMoreElements()) {
|
||||
String propName = (String) propsEnum.nextElement();
|
||||
trans.setOutputProperty(propName, this.outputProperties.getProperty(propName));
|
||||
}
|
||||
}
|
||||
|
||||
// Perform the actual XSLT transformation.
|
||||
trans.transform(source, result);
|
||||
}
|
||||
catch (TransformerConfigurationException ex) {
|
||||
throw new NestedServletException(
|
||||
"Couldn't create XSLT transformer in XSLT view with name [" + getBeanName() + "]", ex);
|
||||
}
|
||||
catch (TransformerException ex) {
|
||||
throw new NestedServletException(
|
||||
"Couldn't perform transform in XSLT view with name [" + getBeanName() + "]", ex);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Build a Transformer object for immediate use, based on the
|
||||
* given parameters.
|
||||
* @param parameters a Map of parameters to be applied to the stylesheet
|
||||
* (as determined by {@link #getParameters(Map, HttpServletRequest)})
|
||||
* @return the Transformer object (never {@code null})
|
||||
* @throws TransformerConfigurationException if the Transformer object
|
||||
* could not be built
|
||||
*/
|
||||
protected Transformer buildTransformer(Map<String, Object> parameters) throws TransformerConfigurationException {
|
||||
Templates templates = getTemplates();
|
||||
Transformer transformer =
|
||||
(templates != null ? templates.newTransformer() : getTransformerFactory().newTransformer());
|
||||
applyTransformerParameters(parameters, transformer);
|
||||
return transformer;
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtain the Templates object to use, based on the configured
|
||||
* stylesheet, either a cached one or a freshly built one.
|
||||
* <p>Subclasses may override this method e.g. in order to refresh
|
||||
* the Templates instance, calling {@link #resetCachedTemplates()}
|
||||
* before delegating to this {@code getTemplates()} implementation.
|
||||
* @return the Templates object (or {@code null} if there is
|
||||
* no stylesheet specified)
|
||||
* @throws TransformerConfigurationException if the Templates object
|
||||
* could not be built
|
||||
* @see #setStylesheetLocation
|
||||
* @see #setCache
|
||||
* @see #resetCachedTemplates
|
||||
*/
|
||||
protected Templates getTemplates() throws TransformerConfigurationException {
|
||||
if (this.cachedTemplates != null) {
|
||||
return this.cachedTemplates;
|
||||
}
|
||||
Resource location = getStylesheetLocation();
|
||||
if (location != null) {
|
||||
Templates templates = getTransformerFactory().newTemplates(getStylesheetSource(location));
|
||||
if (this.cache) {
|
||||
this.cachedTemplates = templates;
|
||||
}
|
||||
return templates;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Apply the specified parameters to the given Transformer.
|
||||
* @param parameters the transformer parameters
|
||||
* (as determined by {@link #getParameters(Map, HttpServletRequest)})
|
||||
* @param transformer the Transformer to aply the parameters
|
||||
*/
|
||||
protected void applyTransformerParameters(Map<String, Object> parameters, Transformer transformer) {
|
||||
if (parameters != null) {
|
||||
for (Map.Entry<String, Object> entry : parameters.entrySet()) {
|
||||
transformer.setParameter(entry.getKey(), entry.getValue());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Load the stylesheet from the specified location.
|
||||
* @param stylesheetLocation the stylesheet resource to be loaded
|
||||
* @return the stylesheet source
|
||||
* @throws ApplicationContextException if the stylesheet resource could not be loaded
|
||||
*/
|
||||
protected Source getStylesheetSource(Resource stylesheetLocation) throws ApplicationContextException {
|
||||
if (logger.isDebugEnabled()) {
|
||||
logger.debug("Loading XSLT stylesheet from " + stylesheetLocation);
|
||||
}
|
||||
try {
|
||||
URL url = stylesheetLocation.getURL();
|
||||
String urlPath = url.toString();
|
||||
String systemId = urlPath.substring(0, urlPath.lastIndexOf('/') + 1);
|
||||
return new StreamSource(url.openStream(), systemId);
|
||||
}
|
||||
catch (IOException ex) {
|
||||
throw new ApplicationContextException("Can't load XSLT stylesheet from " + stylesheetLocation, ex);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user