/*
* $Id$
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.struts2.dispatcher.ng.listener;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.StrutsConstants;
import org.apache.struts2.StrutsStatics;
import org.apache.struts2.dispatcher.Dispatcher;
import org.apache.struts2.dispatcher.ng.InitOperations;
import org.apache.struts2.dispatcher.ng.PrepareOperations;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
/**
* Servlet listener for Struts. The preferred way to use Struts is as a filter via the
* {@link org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter} and its variants.
* This might be useful if Struts config information is needed from other servlet listeners, like
* Sitemesh or OSGi
*/
public class StrutsListener implements ServletContextListener {
private PrepareOperations prepare;
public void contextInitialized(ServletContextEvent sce) {
InitOperations init = new InitOperations();
try {
ListenerHostConfig config = new ListenerHostConfig(sce.getServletContext());
init.initLogging(config);
Dispatcher dispatcher = init.initDispatcher(config);
init.initStaticContentLoader(config, dispatcher);
prepare = new PrepareOperations(config.getServletContext(), dispatcher);
sce.getServletContext().setAttribute(StrutsStatics.SERVLET_DISPATCHER, dispatcher);
} finally {
init.cleanup();
}
}
public void contextDestroyed(ServletContextEvent sce) {
prepare.cleanupDispatcher();
}
}
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