/*
* $Id: AbstractTilesListener.java 952763 2010-06-08 18:28:16Z apetrelli $
*
* 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.tiles.web.startup;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.apache.tiles.request.servlet.ServletApplicationContext;
import org.apache.tiles.startup.TilesInitializer;
/**
* Listener for the initialization of the Tiles container.
*
* @version $Rev: 952763 $ $Date: 2010-06-08 20:28:16 +0200 (Tue, 08 Jun 2010) $
*/
public abstract class AbstractTilesListener implements ServletContextListener {
/**
* The initializer object.
*
* @since 2.1.2
*/
protected TilesInitializer initializer;
/**
* Initialize the TilesContainer and place it
* into service.
*
* @param event The intercepted event.
*/
public void contextInitialized(ServletContextEvent event) {
ServletContext servletContext = event.getServletContext();
initializer = createTilesInitializer();
initializer.initialize(new ServletApplicationContext(
servletContext));
}
/**
* Destroys the initializer.
*
* @param event The intercepted event.
*/
public void contextDestroyed(ServletContextEvent event) {
initializer.destroy();
}
/**
* Creates a new instance of {@link TilesInitializer}. Implement it to use a
* different initializer.
*
* @return The Tiles servlet-based initializer.
* @since 2.2.0
*/
protected abstract TilesInitializer createTilesInitializer();
}