001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.web.util; 018 019import javax.servlet.ServletContextEvent; 020import javax.servlet.ServletContextListener; 021 022/** 023 * Bootstrap listener for custom log4j initialization in a web environment. 024 * Delegates to {@link Log4jWebConfigurer} (see its javadoc for configuration details). 025 * 026 * <b>WARNING: Assumes an expanded WAR file</b>, both for loading the configuration 027 * file and for writing the log files. If you want to keep your WAR unexpanded or 028 * don't need application-specific log files within the WAR directory, don't use 029 * log4j setup within the application (thus, don't use Log4jConfigListener or 030 * Log4jConfigServlet). Instead, use a global, VM-wide log4j setup (for example, 031 * in JBoss) or JDK 1.4's {@code java.util.logging} (which is global too). 032 * 033 * <p>This listener should be registered before ContextLoaderListener in {@code web.xml} 034 * when using custom log4j initialization. 035 * 036 * @author Juergen Hoeller 037 * @since 13.03.2003 038 * @see Log4jWebConfigurer 039 * @see org.springframework.web.context.ContextLoaderListener 040 * @see WebAppRootListener 041 * @deprecated as of Spring 4.2.1, in favor of Apache Log4j 2 042 * (following Apache's EOL declaration for log4j 1.x) 043 */ 044@Deprecated 045public class Log4jConfigListener implements ServletContextListener { 046 047 @Override 048 public void contextInitialized(ServletContextEvent event) { 049 Log4jWebConfigurer.initLogging(event.getServletContext()); 050 } 051 052 @Override 053 public void contextDestroyed(ServletContextEvent event) { 054 Log4jWebConfigurer.shutdownLogging(event.getServletContext()); 055 } 056 057}