KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > net > sf > jguard > jee > listeners > SessionListener


1 /*
2 jGuard is a security framework based on top of jaas (java authentication and authorization security).
3 it is written for web applications, to resolve simply, access control problems.
4  
5 http://sourceforge.net/projects/jguard/
6
7 Copyright (C) 2004 Charles GAY
8
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 2.1 of the License, or (at your option) any later version.
13
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public
20 License along with this library; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22
23
24 jGuard project home page:
25 http://sourceforge.net/projects/jguard/
26
27 */
28 package net.sf.jguard.jee.listeners;
29
30 import javax.servlet.http.HttpSessionEvent JavaDoc;
31 import javax.servlet.http.HttpSessionListener JavaDoc;
32
33 import net.sf.jguard.jee.authentication.http.HttpAuthenticationUtils;
34 import net.sf.jguard.jee.authentication.http.HttpConstants;
35
36 /**
37  * Listener called when the Session is created or destroyed.
38  * @author <a HREF="mailto:diabolo512@users.sourceforge.net">Charles Gay</a>
39  */
40 public class SessionListener implements HttpSessionListener JavaDoc {
41
42     /**
43      * constructor.
44      */
45     public SessionListener() {
46         super();
47     }
48
49     /**
50      * method called when the sesion is created.
51      * @see javax.servlet.http.HttpSessionListener#sessionCreated(javax.servlet.http.HttpSessionEvent)
52      */
53     public void sessionCreated(HttpSessionEvent JavaDoc httpSessionEvent) {
54
55     }
56
57     /**
58      * method called when session expired: we logout the loginModules.
59      * The subject and all others objects bound to the Session will be removed.
60      * @see javax.servlet.http.HttpSessionListener#sessionDestroyed(javax.servlet.http.HttpSessionEvent)
61      */
62     public void sessionDestroyed(HttpSessionEvent JavaDoc httpSessionEvent) {
63        HttpAuthenticationUtils authUtils = (HttpAuthenticationUtils)httpSessionEvent.getSession().getAttribute(HttpConstants.AUTHN_UTILS);
64        if(authUtils!=null){
65            authUtils.logout();
66        }
67        httpSessionEvent.getSession().removeAttribute(HttpConstants.AUTHN_UTILS);
68        
69
70     }
71
72 }
73
Popular Tags