001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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    }