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 mapping, ActionForm form, PortletConfig portletConfig,
050 RenderRequest renderRequest, RenderResponse renderResponse)
051 throws Exception {
052
053 try {
054 long messageId = ParamUtil.getLong(renderRequest, "messageId");
055
056 PortalPreferences preferences =
057 PortletPreferencesFactoryUtil.getPortalPreferences(
058 renderRequest);
059
060 String threadView = ParamUtil.getString(
061 renderRequest, "threadView");
062
063 if (Validator.isNotNull(threadView)) {
064 preferences.setValue(
065 PortletKeys.MESSAGE_BOARDS, "thread-view", threadView);
066 }
067 else {
068 threadView = preferences.getValue(
069 PortletKeys.MESSAGE_BOARDS, "thread-view",
070 PropsValues.MESSAGE_BOARDS_THREAD_VIEWS_DEFAULT);
071 }
072
073 if (!ArrayUtil.contains(
074 PropsValues.MESSAGE_BOARDS_THREAD_VIEWS, threadView)) {
075
076 threadView = PropsValues.MESSAGE_BOARDS_THREAD_VIEWS_DEFAULT;
077
078 preferences.setValue(
079 PortletKeys.MESSAGE_BOARDS, "thread-view", threadView);
080 }
081
082 boolean includePrevAndNext =
083 PropsValues.
084 MESSAGE_BOARDS_THREAD_PREVIOUS_AND_NEXT_NAVIGATION_ENABLED;
085
086 MBMessageDisplay messageDisplay =
087 MBMessageServiceUtil.getMessageDisplay(
088 messageId, WorkflowConstants.STATUS_ANY, threadView,
089 includePrevAndNext);
090
091 if (messageDisplay != null) {
092 MBMessage message = messageDisplay.getMessage();
093
094 if ((message != null) &&
095 (message.isInTrash() || message.isInTrashThread())) {
096
097 throw new NoSuchMessageException();
098 }
099 }
100
101 renderRequest.setAttribute(
102 WebKeys.MESSAGE_BOARDS_MESSAGE, messageDisplay);
103
104 return mapping.findForward("portlet.message_boards.view_message");
105 }
106 catch (Exception e) {
107 if (e instanceof NoSuchMessageException ||
108 e instanceof PrincipalException) {
109
110 SessionErrors.add(renderRequest, e.getClass());
111
112 return mapping.findForward("portlet.message_boards.error");
113 }
114 else {
115 throw e;
116 }
117 }
118 }
119
120 }