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Java > Open Source Codes > org > riotfamily > riot > workflow > notification > ui > NotificationListController


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2006
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */
24 package org.riotfamily.riot.workflow.notification.ui;
25
26 import java.util.List JavaDoc;
27
28 import javax.servlet.http.HttpServletRequest JavaDoc;
29 import javax.servlet.http.HttpServletResponse JavaDoc;
30
31 import org.riotfamily.common.util.ResourceUtils;
32 import org.riotfamily.common.web.util.ServletUtils;
33 import org.riotfamily.common.web.view.JsonView;
34 import org.riotfamily.riot.security.AccessController;
35 import org.riotfamily.riot.workflow.notification.NotificationDao;
36 import org.springframework.web.bind.ServletRequestUtils;
37 import org.springframework.web.servlet.ModelAndView;
38 import org.springframework.web.servlet.mvc.Controller;
39
40 public class NotificationListController implements Controller {
41     
42     private static final String JavaDoc ID_PARAMETER = "id";
43     
44     private String JavaDoc viewName = ResourceUtils.getPath(
45             NotificationListController.class, "NotificationView.ftl");
46     
47     private NotificationDao dao;
48
49     public NotificationListController(NotificationDao dao) {
50         this.dao = dao;
51     }
52     
53     public ModelAndView handleRequest(HttpServletRequest JavaDoc request,
54             HttpServletResponse JavaDoc response) throws Exception JavaDoc {
55         
56         if (dao == null) {
57             return null;
58         }
59         
60         String JavaDoc userId = AccessController.getCurrentUser().getUserId();
61         if (request.getParameter(ID_PARAMETER) != null) {
62             Long JavaDoc notificationId = ServletRequestUtils.getLongParameter(
63                     request, ID_PARAMETER);
64             
65             dao.markAsRead(userId, notificationId);
66             return null;
67         }
68         
69         List JavaDoc notifications = dao.getNotifications(userId);
70         
71         if (ServletUtils.isXmlHttpRequest(request)) {
72             return new ModelAndView(new JsonView(),
73                     "notifications", notifications);
74         }
75         else if (notifications != null && !notifications.isEmpty()) {
76             return new ModelAndView(viewName);
77         }
78         return null;
79         
80     }
81         
82 }
83
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