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Java > Open Source Codes > org > riotfamily > website > misc > QuickjumpController


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.website.misc;
25
26 import javax.servlet.http.HttpServletRequest JavaDoc;
27 import javax.servlet.http.HttpServletResponse JavaDoc;
28
29 import org.springframework.util.StringUtils;
30 import org.springframework.web.servlet.ModelAndView;
31 import org.springframework.web.servlet.mvc.Controller;
32 import org.springframework.web.servlet.view.RedirectView;
33
34 /**
35  * Controller that can be used as action for a quick-jump form.
36  *
37  * The controller reads a URL from a request parameter and send a redirect to
38  * that URL. If the parameter is either <code>null</code>, an empty string or
39  * starts with with a hash character ('#'), a <strong>204 No Content</strong>
40  * response is sent.
41  *
42  * @author Felix Gnass [fgnass at neteye dot de]
43  */
44 public class QuickjumpController implements Controller {
45
46     private String JavaDoc urlParameter = "url";
47     
48     public void setUrlParameter(String JavaDoc urlParameter) {
49         this.urlParameter = urlParameter;
50     }
51
52     public ModelAndView handleRequest(HttpServletRequest JavaDoc request,
53             HttpServletResponse JavaDoc response) throws Exception JavaDoc {
54         
55         String JavaDoc url = request.getParameter(urlParameter);
56         if (StringUtils.hasLength(url) && !url.startsWith("#")) {
57             return new ModelAndView(new RedirectView(url));
58         }
59         else {
60             response.sendError(HttpServletResponse.SC_NO_CONTENT);
61             return null;
62         }
63     }
64 }
65
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