01: /*
02: * $Id: LogoffAction.java 471754 2006-11-06 14:55:09Z husted $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21:
22: package org.apache.struts.apps.mailreader.actions;
23:
24: import org.apache.struts.action.ActionForm;
25: import org.apache.struts.action.ActionForward;
26: import org.apache.struts.action.ActionMapping;
27: import org.apache.struts.apps.mailreader.Constants;
28: import org.apache.struts.apps.mailreader.dao.User;
29:
30: import javax.servlet.http.HttpServletRequest;
31: import javax.servlet.http.HttpServletResponse;
32: import javax.servlet.http.HttpSession;
33:
34: /**
35: * <p>
36: * Log user out of the current session.
37: * </p>
38: *
39: * @version $Rev: 471754 $ $Date: 2006-11-06 08:55:09 -0600 (Mon, 06 Nov 2006) $
40: */
41: public final class LogoffAction extends BaseAction {
42:
43: // See superclass for Javadoc
44: public ActionForward execute(ActionMapping mapping,
45: ActionForm form, HttpServletRequest request,
46: HttpServletResponse response) throws Exception {
47:
48: // Log event
49: HttpSession session = request.getSession();
50: User user = doGetUser(session);
51: if (user != null) {
52: if (log.isDebugEnabled()) {
53: log.debug("LogoffAction: User '" + user.getUsername()
54: + "' logged off in session " + session.getId());
55: }
56: } else {
57: if (log.isDebugEnabled()) {
58: log.debug("LogoffActon: User logged off in session "
59: + session.getId());
60: }
61: }
62:
63: // Process user logoff by removing session attributes
64: session.removeAttribute(Constants.SUBSCRIPTION_KEY);
65: session.removeAttribute(Constants.USER_KEY);
66: session.invalidate();
67:
68: // Done
69: return doFindSuccess(mapping);
70:
71: }
72:
73: }
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