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Java > Open Source Codes > net > jforum > ForumSessionListener


1 /*
2  * Copyright (c) Rafael Steil
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms,
6  * with or without modification, are permitted provided
7  * that the following conditions are met:
8  *
9  * 1) Redistributions of source code must retain the above
10  * copyright notice, this list of conditions and the
11  * following disclaimer.
12  * 2) Redistributions in binary form must reproduce the
13  * above copyright notice, this list of conditions and
14  * the following disclaimer in the documentation and/or
15  * other materials provided with the distribution.
16  * 3) Neither the name of "Rafael Steil" nor
17  * the names of its contributors may be used to endorse
18  * or promote products derived from this software without
19  * specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
22  * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
23  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
27  * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
32  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
34  * IN CONTRACT, STRICT LIABILITY, OR TORT
35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
36  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
37  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
38  *
39  * This file creation date: May 11, 2003 / 11:30:45 AM
40  * The JForum Project
41  * http://www.jforum.net
42  */
43 package net.jforum;
44
45 import javax.servlet.http.HttpSession JavaDoc;
46 import javax.servlet.http.HttpSessionEvent JavaDoc;
47 import javax.servlet.http.HttpSessionListener JavaDoc;
48
49 import net.jforum.entities.UserSession;
50 import net.jforum.repository.SecurityRepository;
51
52 import org.apache.log4j.Logger;
53
54 /**
55  * @author Rafael Steil
56  * @version $Id: ForumSessionListener.java,v 1.17 2005/07/26 03:04:39 rafaelsteil Exp $
57  */
58 public class ForumSessionListener implements HttpSessionListener JavaDoc
59 {
60     private static final Logger logger = Logger.getLogger(ForumSessionListener.class);
61     
62     /**
63      * @see javax.servlet.http.HttpSessionListener#sessionCreated(javax.servlet.http.HttpSessionEvent)
64      */
65     public void sessionCreated(HttpSessionEvent JavaDoc event) {}
66
67     /**
68      * @see javax.servlet.http.HttpSessionListener#sessionDestroyed(javax.servlet.http.HttpSessionEvent)
69      */
70     public void sessionDestroyed(HttpSessionEvent JavaDoc event)
71     {
72         HttpSession JavaDoc session = event.getSession();
73         
74         if (session == null) {
75             return;
76         }
77         
78         String JavaDoc sessionId = session.getId();
79
80         try {
81             SessionFacade.storeSessionData(sessionId);
82         }
83         catch (Exception JavaDoc e) {
84             logger.warn(e);
85         }
86
87         UserSession us = SessionFacade.getUserSession(sessionId);
88         
89         if (us != null) {
90             SecurityRepository.remove(us.getUserId());
91         }
92
93         SessionFacade.remove(sessionId);
94     }
95 }
96
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