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.portlet.wikidisplay.action;
24  
25  import com.liferay.portal.kernel.servlet.SessionErrors;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portal.kernel.util.StringPool;
29  import com.liferay.portal.security.auth.PrincipalException;
30  import com.liferay.portal.struts.PortletAction;
31  import com.liferay.portal.util.WebKeys;
32  import com.liferay.portlet.wiki.NoSuchNodeException;
33  import com.liferay.portlet.wiki.NoSuchPageException;
34  import com.liferay.portlet.wiki.model.WikiNode;
35  import com.liferay.portlet.wiki.model.WikiPage;
36  import com.liferay.portlet.wiki.model.impl.WikiPageImpl;
37  import com.liferay.portlet.wiki.service.WikiNodeServiceUtil;
38  import com.liferay.portlet.wiki.service.WikiPageServiceUtil;
39  
40  import javax.portlet.PortletConfig;
41  import javax.portlet.PortletPreferences;
42  import javax.portlet.RenderRequest;
43  import javax.portlet.RenderResponse;
44  
45  import org.apache.struts.action.ActionForm;
46  import org.apache.struts.action.ActionForward;
47  import org.apache.struts.action.ActionMapping;
48  
49  /**
50   * <a href="ViewAction.java.html"><b><i>View Source</i></b></a>
51   *
52   * @author Brian Wing Shun Chan
53   *
54   */
55  public class ViewAction extends PortletAction {
56  
57      public ActionForward render(
58              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
59              RenderRequest renderRequest, RenderResponse renderResponse)
60          throws Exception {
61  
62          try {
63              PortletPreferences preferences = renderRequest.getPreferences();
64  
65              long nodeId = GetterUtil.getLong(
66                  preferences.getValue("node-id", StringPool.BLANK));
67              String title = ParamUtil.getString(
68                  renderRequest, "title",
69                  preferences.getValue("title", WikiPageImpl.FRONT_PAGE));
70  
71              WikiNode node = WikiNodeServiceUtil.getNode(nodeId);
72  
73              WikiPage wikiPage = null;
74  
75              try {
76                  wikiPage = WikiPageServiceUtil.getPage(nodeId, title);
77              }
78              catch (NoSuchPageException nspe) {
79                  wikiPage = WikiPageServiceUtil.getPage(
80                      nodeId, WikiPageImpl.FRONT_PAGE);
81              }
82  
83              renderRequest.setAttribute(WebKeys.WIKI_NODE, node);
84              renderRequest.setAttribute(WebKeys.WIKI_PAGE, wikiPage);
85  
86              return mapping.findForward("portlet.wiki_display.view");
87          }
88          catch (NoSuchNodeException nsne) {
89              return mapping.findForward("/portal/portlet_not_setup");
90          }
91          catch (NoSuchPageException nsne) {
92              return mapping.findForward("/portal/portlet_not_setup");
93          }
94          catch (PrincipalException pe) {
95              SessionErrors.add(renderRequest, pe.getClass().getName());
96  
97              return mapping.findForward("portlet.wiki_display.error");
98          }
99      }
100 
101 }