001
014
015 package com.liferay.portlet.messageboards.action;
016
017 import com.liferay.portal.kernel.servlet.ServletResponseUtil;
018 import com.liferay.portal.kernel.util.MimeTypesUtil;
019 import com.liferay.portal.kernel.util.ParamUtil;
020 import com.liferay.portal.model.CompanyConstants;
021 import com.liferay.portal.struts.ActionConstants;
022 import com.liferay.portal.struts.PortletAction;
023 import com.liferay.portal.util.PortalUtil;
024 import com.liferay.portlet.documentlibrary.store.DLStoreUtil;
025 import com.liferay.portlet.messageboards.model.MBMessage;
026 import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
027
028 import java.io.InputStream;
029
030 import javax.portlet.ActionRequest;
031 import javax.portlet.ActionResponse;
032 import javax.portlet.PortletConfig;
033
034 import javax.servlet.http.HttpServletRequest;
035 import javax.servlet.http.HttpServletResponse;
036
037 import org.apache.struts.action.ActionForm;
038 import org.apache.struts.action.ActionForward;
039 import org.apache.struts.action.ActionMapping;
040
041
044 public class GetMessageAttachmentAction extends PortletAction {
045
046 @Override
047 public ActionForward strutsExecute(
048 ActionMapping mapping, ActionForm form, HttpServletRequest request,
049 HttpServletResponse response)
050 throws Exception {
051
052 try {
053 long messageId = ParamUtil.getLong(request, "messageId");
054 String fileName = ParamUtil.getString(request, "attachment");
055
056 getFile(messageId, fileName, request, response);
057
058 return null;
059 }
060 catch (Exception e) {
061 PortalUtil.sendError(e, request, response);
062
063 return null;
064 }
065 }
066
067 @Override
068 public void processAction(
069 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
070 ActionRequest actionRequest, ActionResponse actionResponse)
071 throws Exception {
072
073 try {
074 long messageId = ParamUtil.getLong(actionRequest, "messageId");
075 String fileName = ParamUtil.getString(actionRequest, "attachment");
076
077 HttpServletRequest request = PortalUtil.getHttpServletRequest(
078 actionRequest);
079 HttpServletResponse response = PortalUtil.getHttpServletResponse(
080 actionResponse);
081
082 getFile(messageId, fileName, request, response);
083
084 setForward(actionRequest, ActionConstants.COMMON_NULL);
085 }
086 catch (Exception e) {
087 PortalUtil.sendError(e, actionRequest, actionResponse);
088 }
089 }
090
091 protected void getFile(
092 long messageId, String fileName, HttpServletRequest request,
093 HttpServletResponse response)
094 throws Exception {
095
096 MBMessage message = MBMessageServiceUtil.getMessage(messageId);
097
098 String path = message.getAttachmentsDir() + "/" + fileName;
099
100 InputStream is = DLStoreUtil.getFileAsStream(
101 message.getCompanyId(), CompanyConstants.SYSTEM, path);
102 long contentLength = DLStoreUtil.getFileSize(
103 message.getCompanyId(), CompanyConstants.SYSTEM, path);
104 String contentType = MimeTypesUtil.getContentType(fileName);
105
106 ServletResponseUtil.sendFile(
107 request, response, fileName, is, contentLength, contentType);
108 }
109
110 @Override
111 protected boolean isCheckMethodOnProcessAction() {
112 return _CHECK_METHOD_ON_PROCESS_ACTION;
113 }
114
115 private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
116
117 }