KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > nextapp > echo2 > webrender > service > SessionExpiredService


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package nextapp.echo2.webrender.service;
31
32 import java.io.IOException JavaDoc;
33
34 import javax.servlet.http.HttpServletResponse JavaDoc;
35
36 import nextapp.echo2.webrender.Connection;
37 import nextapp.echo2.webrender.ContentType;
38 import nextapp.echo2.webrender.Service;
39 import nextapp.echo2.webrender.WebRenderServlet;
40
41 /**
42  * A <code>Service</code> which renders a 400 (Bad Request) with the message
43  * "Session Expired".
44  */
45 public class SessionExpiredService
46 implements Service {
47
48     /**
49      * Singleton instance.
50      */
51     public static final Service INSTANCE = new SessionExpiredService();
52     
53     /**
54      * @see nextapp.echo2.webrender.Service#getId()
55      */
56     public String JavaDoc getId() {
57         return WebRenderServlet.SERVICE_ID_SESSION_EXPIRED;
58     }
59     
60     /**
61      * @see nextapp.echo2.webrender.Service#getVersion()
62      */
63     public int getVersion() {
64         return DO_NOT_CACHE;
65     }
66     
67     /**
68      * @see nextapp.echo2.webrender.Service#service(nextapp.echo2.webrender.Connection)
69      */
70     public void service(Connection conn)
71     throws IOException JavaDoc {
72         conn.setContentType(ContentType.TEXT_HTML);
73         conn.getResponse().setStatus(HttpServletResponse.SC_BAD_REQUEST);
74         conn.getWriter().write("Session Expired");
75     }
76 }
77
Popular Tags