| LogoutAction.java |
1 /**
2 * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.action;
24
25 import com.liferay.portal.events.EventsProcessor;
26 import com.liferay.portal.kernel.util.StringPool;
27 import com.liferay.portal.struts.ActionConstants;
28 import com.liferay.portal.util.CookieKeys;
29 import com.liferay.portal.util.PropsUtil;
30
31 import javax.servlet.http.Cookie;
32 import javax.servlet.http.HttpServletRequest;
33 import javax.servlet.http.HttpServletResponse;
34 import javax.servlet.http.HttpSession;
35 import javax.servlet.jsp.PageContext;
36
37 import org.apache.struts.action.Action;
38 import org.apache.struts.action.ActionForm;
39 import org.apache.struts.action.ActionForward;
40 import org.apache.struts.action.ActionMapping;
41
42 /**
43 * <a href="LogoutAction.java.html"><b><i>View Source</i></b></a>
44 *
45 * @author Brian Wing Shun Chan
46 *
47 */
48 public class LogoutAction extends Action {
49
50 public ActionForward execute(
51 ActionMapping mapping, ActionForm form, HttpServletRequest req,
52 HttpServletResponse res)
53 throws Exception {
54
55 try {
56 HttpSession ses = req.getSession();
57
58 EventsProcessor.process(PropsUtil.getArray(
59 PropsUtil.LOGOUT_EVENTS_PRE), req, res);
60
61 Cookie cookie = new Cookie(CookieKeys.ID, StringPool.BLANK);
62 cookie.setMaxAge(0);
63 cookie.setPath("/");
64
65 CookieKeys.addCookie(res, cookie);
66
67 cookie = new Cookie(CookieKeys.PASSWORD, StringPool.BLANK);
68 cookie.setMaxAge(0);
69 cookie.setPath("/");
70
71 CookieKeys.addCookie(res, cookie);
72
73 try {
74 ses.invalidate();
75 }
76 catch (Exception e) {
77 }
78
79 EventsProcessor.process(PropsUtil.getArray(
80 PropsUtil.LOGOUT_EVENTS_POST), req, res);
81
82 return mapping.findForward(ActionConstants.COMMON_REFERER);
83 }
84 catch (Exception e) {
85 req.setAttribute(PageContext.EXCEPTION, e);
86
87 return mapping.findForward(ActionConstants.COMMON_ERROR);
88 }
89 }
90
91 }