001    /**
002     * Copyright (c) 2000-2012 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.servlet;
016    
017    import java.io.Serializable;
018    
019    import javax.servlet.http.HttpSessionActivationListener;
020    import javax.servlet.http.HttpSessionEvent;
021    
022    /**
023     * @author Alexander Chow
024     */
025    public class PortalSessionActivationListener implements
026            HttpSessionActivationListener, Serializable {
027    
028            public static PortalSessionActivationListener getInstance() {
029                    return _instance;
030            }
031    
032            public void sessionDidActivate(HttpSessionEvent httpSessionEvent) {
033                    new PortalSessionCreator(httpSessionEvent);
034            }
035    
036            public void sessionWillPassivate(HttpSessionEvent httpSessionEvent) {
037            }
038    
039            private static PortalSessionActivationListener _instance =
040                    new PortalSessionActivationListener();
041    
042    }