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Java > Open Source Codes > org > riotfamily > pages > LeafSwitchController


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) 2007
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.pages;
25
26 import javax.servlet.http.HttpServletRequest JavaDoc;
27 import javax.servlet.http.HttpServletResponse JavaDoc;
28
29 import org.riotfamily.pages.mapping.PageHandlerMapping;
30 import org.springframework.web.servlet.ModelAndView;
31 import org.springframework.web.servlet.mvc.Controller;
32
33 /**
34  * Inspects the current page and delegates requests to the nodeController
35  * if the page has child-pages or the leafController otherwise.
36  *
37  * @author Felix Gnass [fgnass at neteye dot de]
38  * @since 6.5
39  */
40 public class LeafSwitchController implements Controller {
41
42     private Controller nodeController;
43     
44     private Controller leafController;
45     
46     public void setLeafController(Controller leafController) {
47         this.leafController = leafController;
48     }
49
50     public void setNodeController(Controller nodeController) {
51         this.nodeController = nodeController;
52     }
53
54     public ModelAndView handleRequest(HttpServletRequest JavaDoc request,
55             HttpServletResponse JavaDoc response) throws Exception JavaDoc {
56         
57         Page page = PageHandlerMapping.getPage(request);
58         if (page.getChildPages().isEmpty()) {
59             return leafController.handleRequest(request, response);
60         }
61         else {
62             return nodeController.handleRequest(request, response);
63         }
64     }
65
66 }
67
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