1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.messageboards.action;
21  
22  import com.liferay.portal.NoSuchLayoutException;
23  import com.liferay.portal.kernel.util.ParamUtil;
24  import com.liferay.portal.model.Layout;
25  import com.liferay.portal.model.LayoutConstants;
26  import com.liferay.portal.model.LayoutTypePortlet;
27  import com.liferay.portal.service.LayoutLocalServiceUtil;
28  import com.liferay.portal.util.PortalUtil;
29  import com.liferay.portal.util.PortletKeys;
30  import com.liferay.portlet.PortletURLImpl;
31  import com.liferay.portlet.messageboards.model.MBMessage;
32  import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
33  
34  import javax.portlet.PortletMode;
35  import javax.portlet.PortletRequest;
36  import javax.portlet.PortletURL;
37  import javax.portlet.WindowState;
38  
39  import javax.servlet.http.HttpServletRequest;
40  import javax.servlet.http.HttpServletResponse;
41  
42  import org.apache.struts.action.Action;
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="FindMessageAction.java.html"><b><i>View Source</i></b></a>
49   *
50   * @author Brian Wing Shun Chan
51   *
52   */
53  public class FindMessageAction extends Action {
54  
55      public ActionForward execute(
56              ActionMapping mapping, ActionForm form, HttpServletRequest request,
57              HttpServletResponse response)
58          throws Exception {
59  
60          try {
61              long plid = ParamUtil.getLong(request, "p_l_id");
62              long messageId = ParamUtil.getLong(request, "messageId");
63  
64              plid = getPlid(plid, messageId);
65  
66              PortletURL portletURL = new PortletURLImpl(
67                  request, PortletKeys.MESSAGE_BOARDS, plid,
68                  PortletRequest.RENDER_PHASE);
69  
70              portletURL.setWindowState(WindowState.NORMAL);
71              portletURL.setPortletMode(PortletMode.VIEW);
72  
73              portletURL.setParameter(
74                  "struts_action", "/message_boards/view_message");
75              portletURL.setParameter("messageId", String.valueOf(messageId));
76  
77              response.sendRedirect(portletURL.toString());
78  
79              return null;
80          }
81          catch (Exception e) {
82              PortalUtil.sendError(e, request, response);
83  
84              return null;
85          }
86      }
87  
88      protected long getPlid(long plid, long messageId) throws Exception {
89          if (plid != LayoutConstants.DEFAULT_PLID) {
90              try {
91                  Layout layout = LayoutLocalServiceUtil.getLayout(plid);
92  
93                  LayoutTypePortlet layoutTypePortlet =
94                      (LayoutTypePortlet)layout.getLayoutType();
95  
96                  if (layoutTypePortlet.hasPortletId(
97                          PortletKeys.MESSAGE_BOARDS)) {
98  
99                      return plid;
100                 }
101             }
102             catch (NoSuchLayoutException nsle) {
103             }
104         }
105 
106         MBMessage message = MBMessageLocalServiceUtil.getMessage(messageId);
107 
108         plid = PortalUtil.getPlidFromPortletId(
109             message.getGroupId(), PortletKeys.MESSAGE_BOARDS);
110 
111         if (plid != LayoutConstants.DEFAULT_PLID) {
112             return plid;
113         }
114         else {
115             throw new NoSuchLayoutException(
116                 "No page was found with the Message Boards portlet.");
117         }
118     }
119 
120 }