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