1
22
23 package com.liferay.portlet.messageboards.action;
24
25 import com.liferay.documentlibrary.service.DLLocalServiceUtil;
26 import com.liferay.portal.kernel.util.MimeTypesUtil;
27 import com.liferay.portal.kernel.util.ParamUtil;
28 import com.liferay.portal.model.CompanyConstants;
29 import com.liferay.portal.struts.ActionConstants;
30 import com.liferay.portal.struts.PortletAction;
31 import com.liferay.portal.util.PortalUtil;
32 import com.liferay.portlet.messageboards.model.MBMessage;
33 import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
34 import com.liferay.util.servlet.ServletResponseUtil;
35
36 import java.io.InputStream;
37
38 import javax.portlet.ActionRequest;
39 import javax.portlet.ActionResponse;
40 import javax.portlet.PortletConfig;
41
42 import javax.servlet.http.HttpServletRequest;
43 import javax.servlet.http.HttpServletResponse;
44
45 import org.apache.struts.action.ActionForm;
46 import org.apache.struts.action.ActionForward;
47 import org.apache.struts.action.ActionMapping;
48
49
55 public class GetMessageAttachmentAction extends PortletAction {
56
57 public ActionForward strutsExecute(
58 ActionMapping mapping, ActionForm form, HttpServletRequest request,
59 HttpServletResponse response)
60 throws Exception {
61
62 try {
63 long messageId = ParamUtil.getLong(request, "messageId");
64 String fileName = ParamUtil.getString(request, "attachment");
65
66 getFile(messageId, fileName, response);
67
68 return null;
69 }
70 catch (Exception e) {
71 PortalUtil.sendError(e, request, response);
72
73 return null;
74 }
75 }
76
77 public void processAction(
78 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
79 ActionRequest actionRequest, ActionResponse actionResponse)
80 throws Exception {
81
82 try {
83 long messageId = ParamUtil.getLong(actionRequest, "messageId");
84 String fileName = ParamUtil.getString(actionRequest, "attachment");
85
86 HttpServletResponse response = PortalUtil.getHttpServletResponse(
87 actionResponse);
88
89 getFile(messageId, fileName, response);
90
91 setForward(actionRequest, ActionConstants.COMMON_NULL);
92 }
93 catch (Exception e) {
94 PortalUtil.sendError(e, actionRequest, actionResponse);
95 }
96 }
97
98 protected void getFile(
99 long messageId, String fileName, HttpServletResponse response)
100 throws Exception {
101
102 InputStream is = null;
103
104 try {
105 MBMessage message = MBMessageServiceUtil.getMessage(messageId);
106
107 is = DLLocalServiceUtil.getFileAsStream(
108 message.getCompanyId(), CompanyConstants.SYSTEM,
109 message.getAttachmentsDir() + "/" + fileName);
110
111 String contentType = MimeTypesUtil.getContentType(fileName);
112
113 ServletResponseUtil.sendFile(response, fileName, is, contentType);
114 }
115 finally {
116 ServletResponseUtil.cleanUp(is);
117 }
118 }
119
120 protected boolean isCheckMethodOnProcessAction() {
121 return _CHECK_METHOD_ON_PROCESS_ACTION;
122 }
123
124 private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
125
126 }