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Java > Open Source Codes > org > riotfamily > riot > workflow > status > ui > StatusController


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.status.ui;
25
26 import java.util.ArrayList JavaDoc;
27 import java.util.Collection JavaDoc;
28 import java.util.Iterator JavaDoc;
29 import java.util.List JavaDoc;
30 import java.util.Locale JavaDoc;
31
32 import javax.servlet.http.HttpServletRequest JavaDoc;
33 import javax.servlet.http.HttpServletResponse JavaDoc;
34
35 import org.riotfamily.common.util.ResourceUtils;
36 import org.riotfamily.riot.workflow.status.StatusMonitor;
37 import org.springframework.beans.factory.BeanFactoryUtils;
38 import org.springframework.context.ApplicationContext;
39 import org.springframework.context.ApplicationContextAware;
40 import org.springframework.web.servlet.ModelAndView;
41 import org.springframework.web.servlet.mvc.Controller;
42 import org.springframework.web.servlet.support.RequestContextUtils;
43
44 /**
45  * Controller that collects messages form all {@link StatusMonitor} beans
46  * and displays them.
47  *
48  * @author Felix Gnass [fgnass at neteye dot de]
49  */
50 public class StatusController implements Controller,
51         ApplicationContextAware {
52     
53     private Collection JavaDoc monitors;
54     
55     private String JavaDoc viewName = ResourceUtils.getPath(
56             StatusController.class, "StatusView.ftl");
57     
58
59     public void setApplicationContext(ApplicationContext context) {
60         monitors = BeanFactoryUtils.beansOfTypeIncludingAncestors(
61                 context, StatusMonitor.class).values();
62     }
63         
64     public ModelAndView handleRequest(HttpServletRequest JavaDoc request,
65             HttpServletResponse JavaDoc response) throws Exception JavaDoc {
66         
67         if (monitors.isEmpty()) {
68             return null;
69         }
70         
71         Locale JavaDoc locale = RequestContextUtils.getLocale(request);
72         
73         Iterator JavaDoc it = monitors.iterator();
74         List JavaDoc model = new ArrayList JavaDoc();
75         while (it.hasNext()) {
76             StatusMonitor monitor = (StatusMonitor) it.next();
77             Collection JavaDoc messages = monitor.getMessages(locale);
78             if (messages != null) {
79                 model.addAll(messages);
80             }
81         }
82         return new ModelAndView(viewName, "messages", model);
83     }
84
85 }
86
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