| ViewPageAction.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.portlet.wiki.action;
24
25 import com.liferay.portal.kernel.servlet.SessionErrors;
26 import com.liferay.portal.security.auth.PrincipalException;
27 import com.liferay.portal.struts.PortletAction;
28 import com.liferay.portal.util.WebKeys;
29 import com.liferay.portlet.wiki.NoSuchNodeException;
30 import com.liferay.portlet.wiki.NoSuchPageException;
31 import com.liferay.portlet.wiki.model.WikiNode;
32
33 import javax.portlet.PortletConfig;
34 import javax.portlet.RenderRequest;
35 import javax.portlet.RenderResponse;
36
37 import org.apache.struts.action.ActionForm;
38 import org.apache.struts.action.ActionForward;
39 import org.apache.struts.action.ActionMapping;
40
41 /**
42 * <a href="ViewPageAction.java.html"><b><i>View Source</i></b></a>
43 *
44 * @author Brian Wing Shun Chan
45 * @author Jorge Ferrer
46 *
47 */
48 public class ViewPageAction extends PortletAction {
49
50 public ActionForward render(
51 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
52 RenderRequest renderRequest, RenderResponse renderResponse)
53 throws Exception {
54
55 try {
56 WikiNode node = ActionUtil.getNode(renderRequest);
57
58 if (node == null) {
59 ActionUtil.getFirstVisibleNode(renderRequest);
60 }
61
62 ActionUtil.getPage(renderRequest);
63 }
64 catch (Exception e) {
65 if (e instanceof NoSuchNodeException ||
66 e instanceof NoSuchPageException ||
67 e instanceof PrincipalException) {
68
69 SessionErrors.add(renderRequest, e.getClass().getName());
70
71 return mapping.findForward("portlet.wiki.error");
72 }
73 else {
74 throw e;
75 }
76 }
77
78 return mapping.findForward(
79 getForward(renderRequest, "portlet.wiki.view_page"));
80 }
81
82 protected void getNode(RenderRequest renderRequest) throws Exception {
83 ActionUtil.getNode(renderRequest);
84
85 WikiNode node = (WikiNode)renderRequest.getAttribute(WebKeys.WIKI_NODE);
86
87 if (node != null) {
88 return;
89 }
90
91 ActionUtil.getFirstVisibleNode(renderRequest);
92 }
93
94 protected boolean isCheckMethodOnProcessAction() {
95 return false;
96 }
97
98 }