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Spring Framework example source code file (XsltViewResolver.java)

This example Spring Framework source code file (XsltViewResolver.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

abstracturlbasedview, class, errorlistener, errorlistener, exception, properties, string, string, uriresolver, urlbasedviewresolver, util, xsltview, xsltview, xsltviewresolver, xsltviewresolver

The Spring Framework XsltViewResolver.java source code

/*
 * Copyright 2002-2007 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.util.Properties;

import javax.xml.transform.ErrorListener;
import javax.xml.transform.URIResolver;

import org.springframework.web.servlet.view.AbstractUrlBasedView;
import org.springframework.web.servlet.view.UrlBasedViewResolver;

/**
 * {@link org.springframework.web.servlet.ViewResolver} implementation that
 * resolves instances of {@link XsltView} by translating the supplied view name
 * into the URL of the XSLT stylesheet.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @since 2.0
 */
public class XsltViewResolver extends UrlBasedViewResolver {

	private String sourceKey;

	private URIResolver uriResolver;

	private ErrorListener errorListener;

	private boolean indent = true;

	private Properties outputProperties;

	private boolean cacheTemplates = true;


	public XsltViewResolver() {
		setViewClass(XsltView.class);
	}


	/**
	 * Set the name of the model attribute that represents the XSLT Source.
	 * If not specified, the model map will be searched for a matching value type.
	 * <p>The following source types are supported out of the box:
	 * {@link javax.xml.transform.Source}, {@link org.w3c.dom.Document},
	 * {@link org.w3c.dom.Node}, {@link java.io.Reader}, {@link java.io.InputStream}
	 * and {@link org.springframework.core.io.Resource}.
	 */
	public void setSourceKey(String sourceKey) {
		this.sourceKey = sourceKey;
	}

	/**
	 * Set the URIResolver used in the transform.
	 * <p>The URIResolver handles calls to the XSLT 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 true (on); set this to 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;
	}

	/**
	 * Turn on/off the caching of the XSLT templates.
	 * <p>The default value is "true". Only set this to "false" in development,
	 * where caching does not seriously impact performance.
	 */
	public void setCacheTemplates(boolean cacheTemplates) {
		this.cacheTemplates = cacheTemplates;
	}


	protected Class requiredViewClass() {
		return XsltView.class;
	}

	protected AbstractUrlBasedView buildView(String viewName) throws Exception {
		XsltView view = (XsltView) super.buildView(viewName);
		view.setSourceKey(this.sourceKey);
		if (this.uriResolver != null) {
			view.setUriResolver(this.uriResolver);
		}
		if (this.errorListener != null) {
			view.setErrorListener(this.errorListener);
		}
		view.setIndent(this.indent);
		view.setOutputProperties(this.outputProperties);
		view.setCacheTemplates(this.cacheTemplates);
		return view;
	}

}

Other Spring Framework examples (source code examples)

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