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.messageboards.action;
24  
25  import com.liferay.portal.kernel.util.ParamUtil;
26  import com.liferay.portal.struts.ActionConstants;
27  import com.liferay.portal.util.PortletKeys;
28  import com.liferay.portlet.PortletURLImpl;
29  import com.liferay.portlet.messageboards.NoSuchThreadException;
30  import com.liferay.portlet.messageboards.model.MBThread;
31  import com.liferay.portlet.messageboards.service.MBThreadLocalServiceUtil;
32  
33  import javax.portlet.PortletMode;
34  import javax.portlet.PortletRequest;
35  import javax.portlet.PortletURL;
36  import javax.portlet.WindowState;
37  
38  import javax.servlet.http.HttpServletRequest;
39  import javax.servlet.http.HttpServletResponse;
40  import javax.servlet.jsp.PageContext;
41  
42  import org.apache.commons.logging.Log;
43  import org.apache.commons.logging.LogFactory;
44  import org.apache.struts.action.Action;
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="FindThreadAction.java.html"><b><i>View Source</i></b></a>
51   *
52   * @author Brian Wing Shun Chan
53   *
54   */
55  public class FindThreadAction extends Action {
56  
57      public ActionForward execute(
58              ActionMapping mapping, ActionForm form, HttpServletRequest req,
59              HttpServletResponse res)
60          throws Exception {
61  
62          try {
63              long plid = ParamUtil.getLong(req, "p_l_id");
64              long threadId = ParamUtil.getLong(req, "threadId");
65  
66              MBThread thread = MBThreadLocalServiceUtil.getThread(threadId);
67  
68              PortletURL portletURL = new PortletURLImpl(
69                  req, PortletKeys.MESSAGE_BOARDS, plid,
70                  PortletRequest.RENDER_PHASE);
71  
72              portletURL.setWindowState(WindowState.NORMAL);
73              portletURL.setPortletMode(PortletMode.VIEW);
74  
75              portletURL.setParameter(
76                  "struts_action", "/message_boards/view_message");
77              portletURL.setParameter(
78                  "messageId", String.valueOf(thread.getRootMessageId()));
79  
80              res.sendRedirect(portletURL.toString());
81  
82              return null;
83          }
84          catch (NoSuchThreadException nste) {
85              if (_log.isWarnEnabled()) {
86                  _log.warn(nste);
87              }
88  
89              return null;
90          }
91          catch (Exception e) {
92              req.setAttribute(PageContext.EXCEPTION, e);
93  
94              return mapping.findForward(ActionConstants.COMMON_ERROR);
95          }
96      }
97  
98      private static Log _log = LogFactory.getLog(FindThreadAction.class);
99  
100 }