001
014
015 package com.liferay.portlet.messageboards.action;
016
017 import com.liferay.portal.kernel.servlet.SessionErrors;
018 import com.liferay.portal.kernel.util.ArrayUtil;
019 import com.liferay.portal.kernel.util.ParamUtil;
020 import com.liferay.portal.kernel.util.Validator;
021 import com.liferay.portal.kernel.workflow.WorkflowConstants;
022 import com.liferay.portal.security.auth.PrincipalException;
023 import com.liferay.portal.struts.PortletAction;
024 import com.liferay.portal.util.PortletKeys;
025 import com.liferay.portal.util.PropsValues;
026 import com.liferay.portal.util.WebKeys;
027 import com.liferay.portlet.PortalPreferences;
028 import com.liferay.portlet.PortletPreferencesFactoryUtil;
029 import com.liferay.portlet.messageboards.NoSuchMessageException;
030 import com.liferay.portlet.messageboards.model.MBMessage;
031 import com.liferay.portlet.messageboards.model.MBMessageDisplay;
032 import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
033
034 import javax.portlet.PortletConfig;
035 import javax.portlet.RenderRequest;
036 import javax.portlet.RenderResponse;
037
038 import org.apache.struts.action.ActionForm;
039 import org.apache.struts.action.ActionForward;
040 import org.apache.struts.action.ActionMapping;
041
042
045 public class ViewMessageAction extends PortletAction {
046
047 @Override
048 public ActionForward render(
049 ActionMapping actionMapping, ActionForm actionForm,
050 PortletConfig portletConfig, RenderRequest renderRequest,
051 RenderResponse renderResponse)
052 throws Exception {
053
054 try {
055 long messageId = ParamUtil.getLong(renderRequest, "messageId");
056
057 PortalPreferences preferences =
058 PortletPreferencesFactoryUtil.getPortalPreferences(
059 renderRequest);
060
061 String threadView = ParamUtil.getString(
062 renderRequest, "threadView");
063
064 if (Validator.isNotNull(threadView)) {
065 preferences.setValue(
066 PortletKeys.MESSAGE_BOARDS, "thread-view", threadView);
067 }
068 else {
069 threadView = preferences.getValue(
070 PortletKeys.MESSAGE_BOARDS, "thread-view",
071 PropsValues.MESSAGE_BOARDS_THREAD_VIEWS_DEFAULT);
072 }
073
074 if (!ArrayUtil.contains(
075 PropsValues.MESSAGE_BOARDS_THREAD_VIEWS, threadView)) {
076
077 threadView = PropsValues.MESSAGE_BOARDS_THREAD_VIEWS_DEFAULT;
078
079 preferences.setValue(
080 PortletKeys.MESSAGE_BOARDS, "thread-view", threadView);
081 }
082
083 boolean includePrevAndNext =
084 PropsValues.
085 MESSAGE_BOARDS_THREAD_PREVIOUS_AND_NEXT_NAVIGATION_ENABLED;
086
087 MBMessageDisplay messageDisplay =
088 MBMessageServiceUtil.getMessageDisplay(
089 messageId, WorkflowConstants.STATUS_ANY, threadView,
090 includePrevAndNext);
091
092 if (messageDisplay != null) {
093 MBMessage message = messageDisplay.getMessage();
094
095 if ((message != null) &&
096 (message.isInTrash() || message.isInTrashThread())) {
097
098 throw new NoSuchMessageException();
099 }
100 }
101
102 renderRequest.setAttribute(
103 WebKeys.MESSAGE_BOARDS_MESSAGE, messageDisplay);
104
105 return actionMapping.findForward(
106 "portlet.message_boards.view_message");
107 }
108 catch (Exception e) {
109 if (e instanceof NoSuchMessageException ||
110 e instanceof PrincipalException) {
111
112 SessionErrors.add(renderRequest, e.getClass());
113
114 return actionMapping.findForward(
115 "portlet.message_boards.error");
116 }
117 else {
118 throw e;
119 }
120 }
121 }
122
123 }