1   /**
2    * Copyright (c) 2000-2007 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.security.auth.PrincipalException;
26  import com.liferay.portal.struts.PortletAction;
27  import com.liferay.portlet.wiki.NoSuchNodeException;
28  import com.liferay.portlet.wiki.NoSuchPageException;
29  import com.liferay.util.servlet.SessionErrors;
30  
31  import javax.portlet.PortletConfig;
32  import javax.portlet.RenderRequest;
33  import javax.portlet.RenderResponse;
34  
35  import org.apache.struts.action.ActionForm;
36  import org.apache.struts.action.ActionForward;
37  import org.apache.struts.action.ActionMapping;
38  
39  /**
40   * <a href="ViewPageAction.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author Brian Wing Shun Chan
43   *
44   */
45  public class ViewPageAction extends PortletAction {
46  
47      public ActionForward render(
48              ActionMapping mapping, ActionForm form, PortletConfig config,
49              RenderRequest req, RenderResponse res)
50          throws Exception {
51  
52          try {
53              ActionUtil.getNode(req);
54              ActionUtil.getPage(req);
55          }
56          catch (Exception e) {
57              if (e instanceof NoSuchNodeException ||
58                  e instanceof NoSuchPageException ||
59                  e instanceof PrincipalException) {
60  
61                  SessionErrors.add(req, e.getClass().getName());
62  
63                  return mapping.findForward("portlet.wiki.error");
64              }
65              else {
66                  throw e;
67              }
68          }
69  
70          return mapping.findForward(getForward(req, "portlet.wiki.view_page"));
71      }
72  
73  }