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Java > Open Source Codes > com > blandware > atleap > webapp > action > core > menuItem > CallAssignMenuItemRolesAction


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.menuItem;
17
18 import com.blandware.atleap.common.Constants;
19 import com.blandware.atleap.model.core.MenuItem;
20 import com.blandware.atleap.model.core.Role;
21 import com.blandware.atleap.service.core.MenuManager;
22 import com.blandware.atleap.service.core.RoleManager;
23 import com.blandware.atleap.webapp.action.core.BaseAction;
24 import com.blandware.atleap.webapp.form.core.SelectRolesForm;
25 import com.blandware.atleap.webapp.util.core.WebappConstants;
26 import org.apache.commons.validator.GenericValidator;
27 import org.apache.struts.action.ActionForm;
28 import org.apache.struts.action.ActionForward;
29 import org.apache.struts.action.ActionMapping;
30 import org.apache.struts.action.ActionMessage;
31 import org.apache.struts.action.ActionMessages;
32
33 import javax.servlet.http.HttpServletRequest JavaDoc;
34 import javax.servlet.http.HttpServletResponse JavaDoc;
35 import java.util.ArrayList JavaDoc;
36 import java.util.Iterator JavaDoc;
37 import java.util.List JavaDoc;
38
39 /**
40  * <p>Returns page with two lists to reassign roles to menu item
41  * </p>
42  * <p><a HREF="CallAssignMenuItemRolesAction.java.htm"><i>View Source</i></a></p>
43  * <p/>
44  *
45  * @author Sergey Zubtcovskii <a HREF="mailto:sergey.zubtcovskii@blandware.com">&lt;sergey.zubtcovskii@blandware.com&gt;</a>
46  * @version $Revision: 1.10 $ $Date: 2006/03/11 10:08:53 $
47  * @struts.action path="/core/menuItem/callAssignRoles"
48  * name="selectRolesForm"
49  * validate="false"
50  * roles="core-menuItem-assignRoles"
51  * @struts.action-forward name="assignRoles"
52  * path=".core.menuItem.assignRoles"
53  * @struts.action-forward name="listMenuItems"
54  * path="/core/menuItem/list.do"
55  * redirect="true"
56  */
57 public final class CallAssignMenuItemRolesAction extends BaseAction {
58     /**
59      * @param mapping The ActionMapping used to select this instance
60      * @param form The optional ActionForm bean for this request (if any)
61      * @param request The HTTP request we are proceeding
62      * @param response The HTTP response we are creating
63      * @return an ActionForward instance describing where and how
64      * control should be forwarded, or null if response
65      * has already been completed
66      */
67     public ActionForward execute(ActionMapping mapping, ActionForm form,
68                                  HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response) throws Exception JavaDoc {
69
70         Long JavaDoc ownerId = null;
71         if ( !GenericValidator.isBlankOrNull(request.getParameter("ownerId")) ) {
72             ownerId = Long.valueOf(request.getParameter("ownerId"));
73         } else if ( request.getSession().getAttribute(WebappConstants.OWNER_ID_KEY) != null ) {
74             ownerId = (Long JavaDoc) request.getSession().getAttribute(WebappConstants.OWNER_ID_KEY);
75         } else {
76             if ( log.isWarnEnabled() ) {
77                 log.warn("Missing owner ID. Returning to index...");
78             }
79             return mapping.findForward("admin");
80         }
81
82         request.getSession().setAttribute(WebappConstants.OWNER_ID_KEY, ownerId);
83
84         Long JavaDoc menuItemId = null;
85         if ( request.getParameter("menuItemId") != null ) {
86             menuItemId = Long.valueOf(request.getParameter("menuItemId"));
87         } else if ( request.getAttribute(WebappConstants.MENU_ITEM_ID_KEY) != null ) {
88             menuItemId = (Long JavaDoc) request.getAttribute(WebappConstants.MENU_ITEM_ID_KEY);
89         } else {
90             if ( log.isWarnEnabled() ) {
91                 log.warn("Missing content page ID. Returning to list...");
92             }
93             return mapping.findForward("listMenuItems");
94         }
95
96         SelectRolesForm selectRolesForm = (SelectRolesForm) form;
97         MenuManager menuManager = (MenuManager) getBean(Constants.MENU_MANAGER_BEAN);
98         MenuItem menuItem = menuManager.retrieveMenuItem(menuItemId);
99         if ( menuItem == null ) {
100             // menuItem not found. it might be deleted by someone else
101 ActionMessages errors = new ActionMessages();
102             errors.add("menuItemNotFound", new ActionMessage("core.menuItem.errors.notFound"));
103             saveErrors(request, errors);
104             return mapping.findForward("listMenuItems");
105         }
106
107         selectRolesForm.setVersion(menuItem.getVersion().toString());
108
109         List JavaDoc menuItemRoles = new ArrayList JavaDoc();
110         for ( Iterator JavaDoc i = menuItem.getRoles().iterator(); i.hasNext(); ) {
111             Role role = (Role) i.next();
112             menuItemRoles.add(role);
113         }
114
115         RoleManager roleManager = (RoleManager) getBean(Constants.ROLE_MANAGER_BEAN);
116         List JavaDoc availableRoles = new ArrayList JavaDoc(roleManager.listRoles(null));
117         List JavaDoc allRoles = new ArrayList JavaDoc(availableRoles);
118         availableRoles.removeAll(menuItemRoles);
119
120         selectRolesForm.setAvailableRolesList(availableRoles);
121         selectRolesForm.setSelectedRolesList(menuItemRoles);
122         request.getSession().setAttribute(WebappConstants.MENU_ITEM_ID_KEY, menuItem.getId());
123
124         request.setAttribute("allRoles", allRoles);
125
126         // save transaction token in request
127 saveToken(request);
128         return mapping.findForward("assignRoles");
129     }
130 }
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