KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > ejb3 > test > dd > web > servlets > LogoutServlet


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.ejb3.test.dd.web.servlets;
23
24 import java.io.IOException JavaDoc;
25
26 import javax.servlet.ServletException JavaDoc;
27 import javax.servlet.http.HttpServlet JavaDoc;
28 import javax.servlet.http.HttpServletRequest JavaDoc;
29 import javax.servlet.http.HttpServletResponse JavaDoc;
30 import javax.servlet.http.HttpSession JavaDoc;
31
32 /**
33  A servlet that logs out a user by invalidating any current session and then
34  redirects the user to the welcome page.
35  
36  @author Brian Stansberry
37  @version $Revision: 37459 $
38  */
39 public class LogoutServlet extends HttpServlet JavaDoc
40 {
41    protected void processRequest(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
42       throws ServletException JavaDoc, IOException JavaDoc
43    {
44       HttpSession JavaDoc session = request.getSession(false);
45       if (session != null)
46       {
47          session.invalidate();
48       }
49       
50       response.sendRedirect(request.getContextPath() + "/index.html");
51    }
52
53    protected void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
54       throws ServletException JavaDoc, IOException JavaDoc
55    {
56       processRequest(request, response);
57    }
58
59    protected void doPost(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
60       throws ServletException JavaDoc, IOException JavaDoc
61    {
62       processRequest(request, response);
63    }
64 }
65
66
Popular Tags