KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > tester > SessionListener01


1 /*
2  * Copyright 1999, 2000, 2001 ,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.tester;
18
19
20 import java.io.*;
21 import javax.servlet.*;
22 import javax.servlet.http.*;
23
24 /**
25  * Application event listener for session events. All events that occur
26  * are logged appropriately to the static logger. In addition, session
27  * creation and destruction events are logged to the servlet context log.
28  *
29  * @author Craig R. McClanahan
30  * @version $Revision: 1.2 $ $Date: 2004/02/27 14:58:57 $
31  */
32
33 public class SessionListener01
34     implements HttpSessionListener, HttpSessionAttributeListener {
35
36
37     public void attributeAdded(HttpSessionBindingEvent event) {
38         StaticLogger.write("SessionListener01: attributeAdded(" +
39                            event.getName() + "," + event.getValue() + ")");
40         event.getSession().getServletContext().log
41             ("SessionListener01: attributeAdded(" + event.getSession().getId()
42              + "," + event.getName() + ")");
43     }
44
45     public void attributeRemoved(HttpSessionBindingEvent event) {
46         StaticLogger.write("SessionListener01: attributeRemoved(" +
47                            event.getName() + "," + event.getValue() + ")");
48         event.getSession().getServletContext().log
49             ("SessionListener01: attributeRemoved(" +
50              event.getSession().getId() + "," + event.getName() + ")");
51     }
52
53     public void attributeReplaced(HttpSessionBindingEvent event) {
54         StaticLogger.write("SessionListener01: attributeReplaced(" +
55                            event.getName() + "," + event.getValue() + ")");
56         event.getSession().getServletContext().log
57             ("SessionListener01: attributeReplaced(" +
58              event.getSession().getId() + "," + event.getName() + ")");
59     }
60
61     public void sessionCreated(HttpSessionEvent event) {
62         StaticLogger.write("SessionListener01: sessionCreated()");
63         HttpSession session = event.getSession();
64         session.getServletContext().log("SessionListener01: sessionCreated(" +
65                                         session.getId() + ")");
66     }
67
68     public void sessionDestroyed(HttpSessionEvent event) {
69         StaticLogger.write("SessionListener01: sessionDestroyed()");
70         HttpSession session = event.getSession();
71         session.getServletContext().log("SessionListener01: sessionDestroyed("
72                                         + session.getId() + ")");
73     }
74
75
76 }
77
Popular Tags