01: /* ***** BEGIN LICENSE BLOCK *****
02: * Version: MPL 1.1
03: * The contents of this file are subject to the Mozilla Public License Version
04: * 1.1 (the "License"); you may not use this file except in compliance with
05: * the License. You may obtain a copy of the License at
06: * http://www.mozilla.org/MPL/
07: *
08: * Software distributed under the License is distributed on an "AS IS" basis,
09: * 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;
27: import javax.servlet.http.HttpServletResponse;
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 urlParameter = "url";
47:
48: public void setUrlParameter(String urlParameter) {
49: this .urlParameter = urlParameter;
50: }
51:
52: public ModelAndView handleRequest(HttpServletRequest request,
53: HttpServletResponse response) throws Exception {
54:
55: String url = request.getParameter(urlParameter);
56: if (StringUtils.hasLength(url) && !url.startsWith("#")) {
57: return new ModelAndView(new RedirectView(url));
58: } else {
59: response.sendError(HttpServletResponse.SC_NO_CONTENT);
60: return null;
61: }
62: }
63: }
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