1
19
20 package com.liferay.portlet.wiki.action;
21
22 import com.liferay.documentlibrary.service.DLLocalServiceUtil;
23 import com.liferay.documentlibrary.service.DLServiceUtil;
24 import com.liferay.portal.kernel.util.MimeTypesUtil;
25 import com.liferay.portal.kernel.util.ParamUtil;
26 import com.liferay.portal.kernel.util.StringPool;
27 import com.liferay.portal.model.CompanyConstants;
28 import com.liferay.portal.struts.ActionConstants;
29 import com.liferay.portal.struts.PortletAction;
30 import com.liferay.portal.util.PortalUtil;
31 import com.liferay.portlet.wiki.model.WikiPage;
32 import com.liferay.portlet.wiki.service.WikiPageServiceUtil;
33 import com.liferay.util.servlet.ServletResponseUtil;
34
35 import java.io.InputStream;
36
37 import javax.portlet.ActionRequest;
38 import javax.portlet.ActionResponse;
39 import javax.portlet.PortletConfig;
40
41 import javax.servlet.http.HttpServletRequest;
42 import javax.servlet.http.HttpServletResponse;
43
44 import org.apache.struts.action.ActionForm;
45 import org.apache.struts.action.ActionForward;
46 import org.apache.struts.action.ActionMapping;
47
48
54 public class GetPageAttachmentAction extends PortletAction {
55
56 public ActionForward strutsExecute(
57 ActionMapping mapping, ActionForm form, HttpServletRequest request,
58 HttpServletResponse response)
59 throws Exception {
60
61 try {
62 long nodeId = ParamUtil.getLong(request, "nodeId");
63 String title = ParamUtil.getString(request, "title");
64 String fileName = ParamUtil.getString(request, "fileName");
65
66 getFile(nodeId, title, fileName, request, 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 nodeId = ParamUtil.getLong(actionRequest, "nodeId");
84 String title = ParamUtil.getString(actionRequest, "title");
85 String fileName = ParamUtil.getString(actionRequest, "fileName");
86
87 HttpServletRequest request = PortalUtil.getHttpServletRequest(
88 actionRequest);
89 HttpServletResponse response = PortalUtil.getHttpServletResponse(
90 actionResponse);
91
92 getFile(nodeId, title, fileName, request, response);
93
94 setForward(actionRequest, ActionConstants.COMMON_NULL);
95 }
96 catch (Exception e) {
97 PortalUtil.sendError(e, actionRequest, actionResponse);
98 }
99 }
100
101 protected void getFile(
102 long nodeId, String title, String fileName,
103 HttpServletRequest request, HttpServletResponse response)
104 throws Exception {
105
106 int pos = fileName.indexOf(StringPool.SLASH);
107
108 if (pos != -1) {
109 title = fileName.substring(0, pos);
110 fileName = fileName.substring(pos + 1);
111 }
112
113 InputStream is = null;
114
115 try {
116 WikiPage page = WikiPageServiceUtil.getPage(nodeId, title);
117
118 String path = page.getAttachmentsDir() + "/" + fileName;
119
120 is = DLLocalServiceUtil.getFileAsStream(
121 page.getCompanyId(), CompanyConstants.SYSTEM, path);
122 int contentLength = (int)DLServiceUtil.getFileSize(
123 page.getCompanyId(), CompanyConstants.SYSTEM, path);
124 String contentType = MimeTypesUtil.getContentType(fileName);
125
126 ServletResponseUtil.sendFile(
127 response, fileName, is, contentLength, contentType);
128 }
129 finally {
130 ServletResponseUtil.cleanUp(is);
131 }
132 }
133
134 protected boolean isCheckMethodOnProcessAction() {
135 return _CHECK_METHOD_ON_PROCESS_ACTION;
136 }
137
138 private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
139
140 }