001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.servlet;
016    
017    import javax.servlet.ServletContextEvent;
018    import javax.servlet.ServletContextListener;
019    import javax.servlet.http.HttpSessionListener;
020    
021    /**
022     * <p>
023     * See http://issues.liferay.com/browse/LEP-2299.
024     * </p>
025     *
026     * @author Olaf Fricke
027     * @author Brian Wing Shun Chan
028     */
029    public class PortletSessionListenerLoader implements ServletContextListener {
030    
031            public PortletSessionListenerLoader(
032                    HttpSessionListener httpSessionListener) {
033    
034                    _httpSessionListener = httpSessionListener;
035            }
036    
037            @Override
038            public void contextDestroyed(ServletContextEvent servletContextEvent) {
039                    PortletSessionListenerManager.removeHttpSessionListener(
040                            _httpSessionListener);
041    
042                    _httpSessionListener = null;
043            }
044    
045            @Override
046            public void contextInitialized(ServletContextEvent servletContextEvent) {
047                    PortletSessionListenerManager.addHttpSessionListener(
048                            _httpSessionListener);
049            }
050    
051            private HttpSessionListener _httpSessionListener;
052    
053    }