1 /**
2 * This file Copyright (c) 2003-2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.module.blossom.preexecution;
35
36 import javax.servlet.http.HttpServletRequest;
37 import javax.servlet.http.HttpServletResponse;
38
39 import org.springframework.web.servlet.ModelAndView;
40 import org.springframework.web.servlet.view.RedirectView;
41
42 /**
43 * Default implementation of {@link info.magnolia.module.blossom.preexecution.DirectRenderingVoter} that considers only
44 * redirects to be eligible for direct rendering.
45 *
46 * @since 0.5
47 */
48 public class DefaultDirectRenderingVoter implements DirectRenderingVoter {
49
50 @Override
51 public boolean renderDirectly(ModelAndView mv, HttpServletRequest request, HttpServletResponse response) throws Exception {
52
53 // If the resulting view is a redirect then it needs to be rendered directly.
54 if (mv.hasView()) {
55 if (mv.isReference()) {
56 if (mv.getViewName().startsWith("redirect:")) {
57 return true;
58 }
59 } else {
60 if (mv.getView() instanceof RedirectView) {
61 return true;
62 }
63 }
64 }
65 return false;
66 }
67 }