1 /*
2 * Copyright 2007-2010 The Kuali Foundation
3 *
4 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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 package org.kuali.rice.kns.web.struts.action;
17
18 import javax.servlet.http.HttpServletRequest;
19 import javax.servlet.http.HttpServletResponse;
20
21 import org.apache.struts.action.Action;
22 import org.apache.struts.action.ActionForm;
23 import org.apache.struts.action.ActionForward;
24 import org.apache.struts.action.ActionMapping;
25 import org.kuali.rice.core.config.ConfigContext;
26 import org.kuali.rice.kns.service.KNSServiceLocator;
27 import org.kuali.rice.kns.util.KNSConstants;
28
29 /**
30 * This class handles the logout. After logout it will do an external redirect to an url
31 * specified by a Parameter (LOGOUT_REDIRECT_URL) or a config property (rice.portal.logout.redirectUrl).
32 *
33 * @author Kuali Rice Team (rice.collab@kuali.org)
34 *
35 */
36 public class KualiLogoutAction extends Action {
37
38 /**
39 * Invalidates the users session and redirects to a configurable url after logout.
40 *
41 */
42 @Override
43 public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
44 String redirectString = null;
45
46 // can't check for the existence of a simple parameter, so catch exception and
47 // defualt to config parameter
48 try {
49 redirectString = KNSServiceLocator.getParameterService().getParameterValue(KNSConstants.KNS_NAMESPACE, KNSConstants.DetailTypes.ALL_DETAIL_TYPE, KNSConstants.LOGOFF_REDIRECT_URL_PARAMETER);
50 }
51 catch(IllegalArgumentException ex) {
52 redirectString = ConfigContext.getCurrentContextConfig().getProperty(KNSConstants.LOGOFF_REDIRECT_URL_PROPERTY);
53 }
54
55 request.getSession().invalidate();
56
57 return new ActionForward(redirectString, true);
58 }
59
60 }