1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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.servlet.SessionErrors;
26  import com.liferay.portal.kernel.util.ObjectValuePair;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portal.kernel.util.StringUtil;
29  import com.liferay.portal.security.auth.PrincipalException;
30  import com.liferay.portal.service.ServiceContext;
31  import com.liferay.portal.service.ServiceContextFactory;
32  import com.liferay.portal.struts.PortletAction;
33  import com.liferay.portal.theme.ThemeDisplay;
34  import com.liferay.portal.util.PortalUtil;
35  import com.liferay.portal.util.WebKeys;
36  import com.liferay.portlet.ActionResponseImpl;
37  import com.liferay.portlet.messageboards.MessageBodyException;
38  import com.liferay.portlet.messageboards.MessageSubjectException;
39  import com.liferay.portlet.messageboards.NoSuchMessageException;
40  import com.liferay.portlet.messageboards.NoSuchThreadException;
41  import com.liferay.portlet.messageboards.RequiredMessageException;
42  import com.liferay.portlet.messageboards.SplitThreadException;
43  import com.liferay.portlet.messageboards.model.MBMessage;
44  import com.liferay.portlet.messageboards.model.MBThread;
45  import com.liferay.portlet.messageboards.model.impl.MBThreadImpl;
46  import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
47  import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
48  import com.liferay.portlet.messageboards.service.MBThreadServiceUtil;
49  
50  import java.util.ArrayList;
51  
52  import javax.portlet.ActionRequest;
53  import javax.portlet.ActionResponse;
54  import javax.portlet.PortletConfig;
55  import javax.portlet.PortletURL;
56  import javax.portlet.RenderRequest;
57  import javax.portlet.RenderResponse;
58  
59  import org.apache.struts.action.ActionForm;
60  import org.apache.struts.action.ActionForward;
61  import org.apache.struts.action.ActionMapping;
62  
63  /**
64   * <a href="SplitThreadAction.java.html"><b><i>View Source</i></b></a>
65   *
66   * @author Jorge Ferrer
67   */
68  public class SplitThreadAction extends PortletAction {
69  
70      public void processAction(
71              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
72              ActionRequest actionRequest, ActionResponse actionResponse)
73          throws Exception {
74  
75          try {
76              splitThread(actionRequest, actionResponse);
77          }
78          catch (Exception e) {
79              if (e instanceof PrincipalException ||
80                  e instanceof RequiredMessageException) {
81  
82                  SessionErrors.add(actionRequest, e.getClass().getName());
83  
84                  setForward(actionRequest, "portlet.message_boards.error");
85              }
86              else if (e instanceof MessageBodyException ||
87                       e instanceof MessageSubjectException ||
88                       e instanceof NoSuchThreadException ||
89                       e instanceof SplitThreadException) {
90  
91                  SessionErrors.add(actionRequest, e.getClass().getName());
92              }
93              else {
94                  throw e;
95              }
96          }
97      }
98  
99      public ActionForward render(
100             ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
101             RenderRequest renderRequest, RenderResponse renderResponse)
102         throws Exception {
103 
104         try {
105             ActionUtil.getMessage(renderRequest);
106         }
107         catch (Exception e) {
108             if (e instanceof NoSuchMessageException ||
109                 e instanceof PrincipalException) {
110 
111                 SessionErrors.add(renderRequest, e.getClass().getName());
112 
113                 return mapping.findForward("portlet.message_boards.error");
114             }
115             else {
116                 throw e;
117             }
118         }
119 
120         return mapping.findForward(
121             getForward(renderRequest, "portlet.message_boards.split_thread"));
122     }
123 
124     protected void splitThread(
125             ActionRequest actionRequest, ActionResponse actionResponse)
126         throws Exception {
127 
128         ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
129             WebKeys.THEME_DISPLAY);
130 
131         long messageId = ParamUtil.getLong(actionRequest, "messageId");
132 
133         MBMessage message = MBMessageLocalServiceUtil.getMessage(messageId);
134 
135         long oldThreadId = message.getThreadId();
136         long oldParentMessageId = message.getParentMessageId();
137 
138         ServiceContext serviceContext = ServiceContextFactory.getInstance(
139             MBThread.class.getName(), actionRequest);
140 
141         MBThread newThread = MBThreadServiceUtil.splitThread(
142             messageId, serviceContext);
143 
144         boolean addExplanationPost = ParamUtil.getBoolean(
145             actionRequest, "addExplanationPost");
146 
147         if (addExplanationPost) {
148             String subject = ParamUtil.getString(actionRequest, "subject");
149             String body = ParamUtil.getString(actionRequest, "body");
150 
151             String layoutFullURL = PortalUtil.getLayoutFullURL(themeDisplay);
152 
153             String newThreadURL =
154                 layoutFullURL + "/message_boards/message/" +
155                     message.getMessageId();
156 
157             body = StringUtil.replace(
158                 body,
159                 new String[] {
160                     "[$NEW_THREAD_URL$]",
161                 },
162                 new String[] {
163                     newThreadURL
164                 });
165 
166             serviceContext.setAddCommunityPermissions(true);
167             serviceContext.setAddGuestPermissions(true);
168 
169             MBMessageServiceUtil.addMessage(
170                 message.getCategoryId(), oldThreadId, oldParentMessageId,
171                 subject, body, new ArrayList<ObjectValuePair<String, byte[]>>(),
172                 false, MBThreadImpl.PRIORITY_NOT_GIVEN, serviceContext);
173         }
174 
175         PortletURL portletURL =
176             ((ActionResponseImpl)actionResponse).createRenderURL();
177 
178         portletURL.setParameter(
179             "struts_action", "/message_boards/view_message");
180         portletURL.setParameter(
181             "messageId", String.valueOf(newThread.getRootMessageId()));
182 
183         actionResponse.sendRedirect(portletURL.toString());
184     }
185 
186 }