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.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.struts.PortletAction;
31  import com.liferay.portal.theme.ThemeDisplay;
32  import com.liferay.portal.util.PortalUtil;
33  import com.liferay.portal.util.WebKeys;
34  import com.liferay.portlet.ActionResponseImpl;
35  import com.liferay.portlet.messageboards.MessageBodyException;
36  import com.liferay.portlet.messageboards.MessageSubjectException;
37  import com.liferay.portlet.messageboards.NoSuchMessageException;
38  import com.liferay.portlet.messageboards.NoSuchThreadException;
39  import com.liferay.portlet.messageboards.RequiredMessageException;
40  import com.liferay.portlet.messageboards.model.MBMessage;
41  import com.liferay.portlet.messageboards.model.MBThread;
42  import com.liferay.portlet.messageboards.model.impl.MBThreadImpl;
43  import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
44  import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
45  import com.liferay.portlet.messageboards.service.MBThreadServiceUtil;
46  
47  import java.util.ArrayList;
48  
49  import javax.portlet.ActionRequest;
50  import javax.portlet.ActionResponse;
51  import javax.portlet.PortletConfig;
52  import javax.portlet.PortletPreferences;
53  import javax.portlet.PortletURL;
54  import javax.portlet.RenderRequest;
55  import javax.portlet.RenderResponse;
56  
57  import org.apache.struts.action.ActionForm;
58  import org.apache.struts.action.ActionForward;
59  import org.apache.struts.action.ActionMapping;
60  
61  /**
62   * <a href="SplitThreadAction.java.html"><b><i>View Source</i></b></a>
63   *
64   * @author Jorge Ferrer
65   *
66   */
67  public class SplitThreadAction extends PortletAction {
68  
69      public void processAction(
70              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
71              ActionRequest actionRequest, ActionResponse actionResponse)
72          throws Exception {
73  
74          try {
75              splitThread(actionRequest, actionResponse);
76          }
77          catch (Exception e) {
78              if (e instanceof PrincipalException ||
79                  e instanceof RequiredMessageException) {
80  
81                  SessionErrors.add(actionRequest, e.getClass().getName());
82  
83                  setForward(actionRequest, "portlet.message_boards.error");
84              }
85              else if (e instanceof MessageBodyException ||
86                       e instanceof MessageSubjectException ||
87                       e instanceof NoSuchThreadException) {
88  
89                  SessionErrors.add(actionRequest, e.getClass().getName());
90              }
91              else {
92                  throw e;
93              }
94          }
95      }
96  
97      public ActionForward render(
98              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
99              RenderRequest renderRequest, RenderResponse renderResponse)
100         throws Exception {
101 
102         try {
103             ActionUtil.getMessage(renderRequest);
104         }
105         catch (Exception e) {
106             if (e instanceof NoSuchMessageException ||
107                 e instanceof PrincipalException) {
108 
109                 SessionErrors.add(renderRequest, e.getClass().getName());
110 
111                 return mapping.findForward("portlet.message_boards.error");
112             }
113             else {
114                 throw e;
115             }
116         }
117 
118         return mapping.findForward(
119             getForward(renderRequest, "portlet.message_boards.split_thread"));
120     }
121 
122     protected void splitThread(
123             ActionRequest actionRequest, ActionResponse actionResponse)
124         throws Exception {
125 
126         ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
127             WebKeys.THEME_DISPLAY);
128 
129         PortletPreferences prefs = actionRequest.getPreferences();
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         MBThread newThread = MBThreadServiceUtil.splitThread(
139             messageId, prefs, themeDisplay);
140 
141         boolean addExplanationPost = ParamUtil.getBoolean(
142             actionRequest, "addExplanationPost");
143 
144         if (addExplanationPost) {
145             String subject = ParamUtil.getString(actionRequest, "subject");
146             String body = ParamUtil.getString(actionRequest, "body");
147 
148             String portalURL = PortalUtil.getPortalURL(themeDisplay);
149             String layoutURL = PortalUtil.getLayoutURL(themeDisplay);
150 
151             String newThreadURL =
152                 portalURL + layoutURL + "/message_boards/message/" +
153                     message.getMessageId();
154 
155             body = StringUtil.replace(
156                 body,
157                 new String[] {
158                     "[$NEW_THREAD_URL$]",
159                 },
160                 new String[] {
161                     newThreadURL
162                 });
163 
164             MBMessageServiceUtil.addMessage(
165                 message.getCategoryId(), oldThreadId, oldParentMessageId,
166                 subject, body, new ArrayList<ObjectValuePair<String, byte[]>>(),
167                 false, MBThreadImpl.PRIORITY_NOT_GIVEN, null, prefs, true, true,
168                 themeDisplay);
169         }
170 
171         PortletURL portletURL =
172             ((ActionResponseImpl)actionResponse).createRenderURL();
173 
174         portletURL.setParameter(
175             "struts_action", "/message_boards/view_message");
176         portletURL.setParameter(
177             "messageId", String.valueOf(newThread.getRootMessageId()));
178 
179         actionResponse.sendRedirect(portletURL.toString());
180     }
181 
182 }