| RandomLayoutAction.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.events;
24
25 import com.liferay.portal.kernel.events.Action;
26 import com.liferay.portal.kernel.events.ActionException;
27 import com.liferay.portal.kernel.util.GetterUtil;
28 import com.liferay.portal.kernel.util.Randomizer;
29 import com.liferay.portal.model.Group;
30 import com.liferay.portal.model.Layout;
31 import com.liferay.portal.model.LayoutTypePortlet;
32 import com.liferay.portal.model.impl.GroupImpl;
33 import com.liferay.portal.service.GroupLocalServiceUtil;
34 import com.liferay.portal.service.LayoutLocalServiceUtil;
35 import com.liferay.portal.theme.ThemeDisplay;
36 import com.liferay.portal.util.PropsKeys;
37 import com.liferay.portal.util.PropsUtil;
38 import com.liferay.portal.util.WebKeys;
39
40 import java.util.List;
41
42 import javax.servlet.http.HttpServletRequest;
43 import javax.servlet.http.HttpServletResponse;
44
45 import org.apache.commons.logging.Log;
46 import org.apache.commons.logging.LogFactory;
47
48 /**
49 * <a href="RandomLayoutAction.java.html"><b><i>View Source</i></b></a>
50 *
51 * @author Brian Wing Shun Chan
52 *
53 */
54 public class RandomLayoutAction extends Action {
55
56 public void run(HttpServletRequest request, HttpServletResponse response)
57 throws ActionException {
58
59 try {
60
61 // Disable caching for CSS and JavaScript
62
63 PropsUtil.set(PropsKeys.LAST_MODIFIED_CHECK, "false");
64
65 // Do not randomize layout unless the user is logged in
66
67 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
68 WebKeys.THEME_DISPLAY);
69
70 if (!themeDisplay.isSignedIn()) {
71 return;
72 }
73
74 // Do not randomize layout unless the user is accessing the portal
75
76 String requestURI = GetterUtil.getString(request.getRequestURI());
77
78 if (!requestURI.endsWith("/portal/layout")) {
79 return;
80 }
81
82 // Do not randomize layout unless the user is accessing a personal
83 // layout
84
85 Layout layout = themeDisplay.getLayout();
86
87 if (layout == null) {
88 return;
89 }
90
91 Group generalGuestGroup = GroupLocalServiceUtil.getGroup(
92 themeDisplay.getCompanyId(), GroupImpl.GUEST);
93
94 List<Layout> layouts = LayoutLocalServiceUtil.getLayouts(
95 generalGuestGroup.getGroupId(), false);
96
97 if (layouts.size() > 0) {
98 Layout randomLayout = layouts.get(
99 Randomizer.getInstance().nextInt(layouts.size()));
100
101 themeDisplay.setLayout(randomLayout);
102 themeDisplay.setLayoutTypePortlet(
103 (LayoutTypePortlet)randomLayout.getLayoutType());
104
105 request.setAttribute(WebKeys.LAYOUT, randomLayout);
106 }
107 }
108 catch (Exception e) {
109 _log.error(e, e);
110
111 throw new ActionException(e);
112 }
113 }
114
115 private static Log _log = LogFactory.getLog(RandomLookAndFeelAction.class);
116
117 }