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Spring Framework example source code file (ContextLoaderListener.java)

This example Spring Framework source code file (ContextLoaderListener.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

contextloader, contextloader, contextloaderlistener, contextloaderlistener, servlet, servletcontextlistener, servletcontextlistener

The Spring Framework ContextLoaderListener.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.context;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

/**
 * Bootstrap listener to start up Spring's root {@link WebApplicationContext}.
 * Simply delegates to {@link ContextLoader}.
 *
 * <p>This listener should be registered after
 * {@link org.springframework.web.util.Log4jConfigListener}
 * in <code>web.xml, if the latter is used.
 *
 * @author Juergen Hoeller
 * @since 17.02.2003
 * @see ContextLoaderServlet
 * @see org.springframework.web.util.Log4jConfigListener
 */
public class ContextLoaderListener implements ServletContextListener {

	private ContextLoader contextLoader;


	/**
	 * Initialize the root web application context.
	 */
	public void contextInitialized(ServletContextEvent event) {
		this.contextLoader = createContextLoader();
		this.contextLoader.initWebApplicationContext(event.getServletContext());
	}

	/**
	 * Create the ContextLoader to use. Can be overridden in subclasses.
	 * @return the new ContextLoader
	 */
	protected ContextLoader createContextLoader() {
		return new ContextLoader();
	}

	/**
	 * Return the ContextLoader used by this listener.
	 * @return the current ContextLoader
	 */
	public ContextLoader getContextLoader() {
		return this.contextLoader;
	}


	/**
	 * Close the root web application context.
	 */
	public void contextDestroyed(ServletContextEvent event) {
		if (this.contextLoader != null) {
			this.contextLoader.closeWebApplicationContext(event.getServletContext());
		}
	}

}

Other Spring Framework examples (source code examples)

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