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Java > Open Source Codes > com > blandware > atleap > webapp > action > core > role > DeleteRoleAction


1 /*
2  * Copyright 2004 Blandware (http://www.blandware.com)
3  *
4  * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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 com.blandware.atleap.webapp.action.core.role;
17
18 import com.blandware.atleap.common.Constants;
19 import com.blandware.atleap.common.util.PartialCollection;
20 import com.blandware.atleap.model.core.*;
21 import com.blandware.atleap.service.core.RoleManager;
22 import com.blandware.atleap.service.core.UserManager;
23 import com.blandware.atleap.webapp.action.core.BaseAction;
24 import com.blandware.atleap.webapp.form.RoleForm;
25 import com.blandware.atleap.webapp.util.core.CacheUtil;
26 import com.blandware.atleap.webapp.util.core.WebappUtil;
27 import com.blandware.atleap.webapp.acegi.UserManagerDaoImpl;
28 import com.blandware.atleap.search.SearchManager;
29 import org.apache.commons.validator.GenericValidator;
30 import org.apache.struts.action.ActionForm;
31 import org.apache.struts.action.ActionForward;
32 import org.apache.struts.action.ActionMapping;
33 import org.apache.struts.action.ActionMessage;
34 import org.apache.struts.action.ActionMessages;
35
36 import javax.servlet.http.HttpServletRequest JavaDoc;
37 import javax.servlet.http.HttpServletResponse JavaDoc;
38 import java.util.List JavaDoc;
39 import java.util.ArrayList JavaDoc;
40 import java.util.Iterator JavaDoc;
41
42 /**
43  * <p>Deletes role
44  * </p>
45  * <p><a HREF="DeleteRoleAction.java.htm"><i>View Source</i></a></p>
46  * <p/>
47  *
48  * @author Sergey Zubtcovskii <a HREF="mailto:sergey.zubtcovskii@blandware.com">&lt;sergey.zubtcovskii@blandware.com&gt;</a>
49  * @version $Revision: 1.18 $ $Date: 2006/03/25 11:27:53 $
50  * @struts.action path="/core/role/delete"
51  * name="roleForm"
52  * scope="request"
53  * validate="false"
54  * roles="core-role-delete"
55  * @struts.action-forward name="listRoles"
56  * path="/core/role/list.do"
57  * redirect="true"
58  * @struts.action-forward name="unsatisfiable"
59  * path="/core/role/list.do"
60  */
61 public final class DeleteRoleAction extends BaseAction {
62     /**
63      * @param mapping The ActionMapping used to select this instance
64      * @param form The optional ActionForm bean for this request (if any)
65      * @param request The HTTP request we are proceeding
66      * @param response The HTTP response we are creating
67      * @return an ActionForward instance describing where and how
68      * control should be forwarded, or null if response
69      * has already been completed
70      */
71     public ActionForward execute(ActionMapping mapping, ActionForm form,
72                                  HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response) throws Exception JavaDoc {
73
74         RoleForm roleForm = (RoleForm) form;
75         String JavaDoc roleName = null;
76         if ( !GenericValidator.isBlankOrNull(roleForm.getName()) ) {
77             roleName = roleForm.getName();
78         } else {
79             if ( log.isWarnEnabled() ) {
80                 log.warn("Missing role name. Returning to list...");
81             }
82             return mapping.findForward("listRoles");
83         }
84
85         RoleManager roleManager = (RoleManager) getBean(Constants.ROLE_MANAGER_BEAN);
86         Role role = roleManager.retrieveRole(roleName);
87
88         if ( role == null ) {
89             // role not found. it might be deleted by someone else
90 ActionMessages errors = new ActionMessages();
91             errors.add("roleNotFound", new ActionMessage("core.role.errors.notFound"));
92             saveErrors(request, errors);
93             return mapping.findForward("listRoles");
94         }
95
96         if ( role.getFixed().booleanValue() ) {
97             ActionMessages errors = new ActionMessages();
98             errors.add("roleIsFixed", new ActionMessage("core.role.errors.isFixed"));
99             saveErrors(request, errors);
100             return mapping.findForward("listRoles");
101         }
102
103         List JavaDoc resources = new ArrayList JavaDoc(role.getResources());
104         List JavaDoc pages = new ArrayList JavaDoc(role.getPages());
105
106         UserManager userManager = (UserManager) getBean(Constants.USER_MANAGER_BEAN);
107         PartialCollection users = userManager.listUsers(null);
108         UserManagerDaoImpl userManagerDaoImpl = (UserManagerDaoImpl) getBean(Constants.USER_DETAILS_SERVICE_BEAN);
109
110         roleManager.deleteRole(roleName);
111
112         for (Iterator JavaDoc i = users.iterator(); i.hasNext();) {
113             User user = (User) i.next();
114             if (user.getName().equals(request.getRemoteUser())) {
115                 userManagerDaoImpl.updateUser(user);
116             }
117         }
118
119         CacheUtil cacheUtil = CacheUtil.getInstance(request);
120         SearchManager searchManager = SearchManager.getInstance(request.getSession().getServletContext());
121
122         for (int i = 0; i < resources.size(); i++) {
123             ContentResource resource = (ContentResource) resources.get(i);
124             cacheUtil.updateResourceRolesInCache(resource.getUri(), WebappUtil.rolesToString(resource.getRoles()));
125             if (resource instanceof ContentDocument) {
126                 ContentDocument document = (ContentDocument) resource;
127                 searchManager.reIndexDocument(document, request);
128             }
129         }
130
131         for (int i = 0; i < pages.size(); i++) {
132             Page page = (Page) pages.get(i);
133             searchManager.reIndexPage(page, request);
134 /*
135             if (page instanceof ContentPage) {
136                 ContentPage contentPage = (ContentPage)page;
137                 cacheUtil.updateContentPageRolesInCache(contentPage.getUri(), WebappUtil.rolesToString(contentPage.getRoles()));
138             }
139 */
140         }
141
142         // flush CP cache to avoid a situation when user permissions for
143 // CP menu items are changed but he/she still obtains cached version
144 // of page
145 cacheUtil.flushContentPageCache();
146
147         return mapping.findForward("listRoles");
148     }
149 }
150
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