| RandomLayoutAction.java |
1 /**
2 * Copyright (c) 2000-2009 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.log.Log;
28 import com.liferay.portal.kernel.log.LogFactoryUtil;
29 import com.liferay.portal.kernel.util.GetterUtil;
30 import com.liferay.portal.kernel.util.Randomizer;
31 import com.liferay.portal.model.Group;
32 import com.liferay.portal.model.GroupConstants;
33 import com.liferay.portal.model.Layout;
34 import com.liferay.portal.model.LayoutTypePortlet;
35 import com.liferay.portal.service.GroupLocalServiceUtil;
36 import com.liferay.portal.service.LayoutLocalServiceUtil;
37 import com.liferay.portal.theme.ThemeDisplay;
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 /**
46 * <a href="RandomLayoutAction.java.html"><b><i>View Source</i></b></a>
47 *
48 * @author Brian Wing Shun Chan
49 *
50 */
51 public class RandomLayoutAction extends Action {
52
53 public void run(HttpServletRequest request, HttpServletResponse response)
54 throws ActionException {
55
56 try {
57
58 // Do not randomize layout unless the user is logged in
59
60 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
61 WebKeys.THEME_DISPLAY);
62
63 if (!themeDisplay.isSignedIn()) {
64 return;
65 }
66
67 // Do not randomize layout unless the user is accessing the portal
68
69 String requestURI = GetterUtil.getString(request.getRequestURI());
70
71 if (!requestURI.endsWith("/portal/layout")) {
72 return;
73 }
74
75 // Do not randomize layout unless the user is accessing a personal
76 // layout
77
78 Layout layout = themeDisplay.getLayout();
79
80 if (layout == null) {
81 return;
82 }
83
84 Group generalGuestGroup = GroupLocalServiceUtil.getGroup(
85 themeDisplay.getCompanyId(), GroupConstants.GUEST);
86
87 List<Layout> layouts = LayoutLocalServiceUtil.getLayouts(
88 generalGuestGroup.getGroupId(), false);
89
90 if (layouts.size() > 0) {
91 Layout randomLayout = layouts.get(
92 Randomizer.getInstance().nextInt(layouts.size()));
93
94 themeDisplay.setLayout(randomLayout);
95 themeDisplay.setLayoutTypePortlet(
96 (LayoutTypePortlet)randomLayout.getLayoutType());
97
98 request.setAttribute(WebKeys.LAYOUT, randomLayout);
99 }
100 }
101 catch (Exception e) {
102 _log.error(e, e);
103
104 throw new ActionException(e);
105 }
106 }
107
108 private static Log _log =
109 LogFactoryUtil.getLog(RandomLookAndFeelAction.class);
110
111 }