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1
17 package org.alfresco.web.app.servlet;
18
19 import java.io.File  ;
20 import java.io.IOException ;
21 import java.util.Iterator ;
22 import java.util.List ;
23
24 import javax.servlet.ServletException ;
25 import javax.servlet.http.HttpServletRequest ;
26 import javax.servlet.http.HttpServletResponse ;
27 import javax.servlet.http.HttpSession ;
28
29 import org.alfresco.error.AlfrescoRuntimeException;
30 import org.alfresco.util.TempFileProvider;
31 import org.alfresco.web.app.Application;
32 import org.alfresco.web.bean.FileUploadBean;
33 import org.apache.commons.fileupload.FileItem;
34 import org.apache.commons.fileupload.disk.DiskFileItemFactory;
35 import org.apache.commons.fileupload.servlet.ServletFileUpload;
36 import org.apache.commons.logging.Log;
37 import org.apache.commons.logging.LogFactory;
38
39
45 public class UploadFileServlet extends BaseServlet
46 {
47 private static final long serialVersionUID = -5482538466491052873L;
48 private static Log logger = LogFactory.getLog(UploadFileServlet.class);
49
50
53 protected void service(HttpServletRequest request, HttpServletResponse response)
54 throws ServletException , IOException
55 {
56 String returnPage = null;
57 boolean isMultipart = ServletFileUpload.isMultipartContent(request);
58
59 try
60 {
61 AuthenticationStatus status = servletAuthenticate(request, response);
62 if (status == AuthenticationStatus.Failure)
63 {
64 return;
65 }
66
67 if (isMultipart == false)
68 {
69 throw new AlfrescoRuntimeException("This servlet can only be used to handle file upload requests, make" +
70 "sure you have set the enctype attribute on your form to multipart/form-data");
71 }
72
73 if (logger.isDebugEnabled())
74 logger.debug("Uploading servlet servicing...");
75
76 HttpSession session = request.getSession();
77 ServletFileUpload upload = new ServletFileUpload(new DiskFileItemFactory());
78
79 upload.setHeaderEncoding("UTF-8");
81
82 List <FileItem> fileItems = upload.parseRequest(request);
83
84 Iterator <FileItem> iter = fileItems.iterator();
85 FileUploadBean bean = new FileUploadBean();
86 while(iter.hasNext())
87 {
88 FileItem item = iter.next();
89 if(item.isFormField())
90 {
91 if (item.getFieldName().equalsIgnoreCase("return-page"))
92 {
93 returnPage = item.getString();
94 }
95 }
96 else
97 {
98 String filename = item.getName();
99 if (filename != null && filename.length() != 0)
100 {
101 if (logger.isDebugEnabled())
102 logger.debug("Processing uploaded file: " + filename);
103
104 int idx = filename.lastIndexOf('\\');
107
108 if (idx == -1)
109 {
110 idx = filename.lastIndexOf('/');
112 }
113
114 if (idx != -1)
115 {
116 filename = filename.substring(idx + File.separator.length());
117 }
118
119 File tempFile = TempFileProvider.createTempFile("alfresco", ".upload");
120 item.write(tempFile);
121 bean.setFile(tempFile);
122 bean.setFileName(filename);
123 bean.setFilePath(tempFile.getAbsolutePath());
124 session.setAttribute(FileUploadBean.FILE_UPLOAD_BEAN_NAME, bean);
125 if (logger.isDebugEnabled())
126 logger.debug("Temp file: " + tempFile.getAbsolutePath() + " created from upload filename: " + filename);
127 }
128 }
129 }
130
131 if (returnPage == null || returnPage.length() == 0)
132 {
133 throw new AlfrescoRuntimeException("return-page parameter has not been supplied");
134 }
135
136 if (logger.isDebugEnabled())
138 logger.debug("Upload servicing complete, redirecting to: " + returnPage);
139
140 response.sendRedirect(returnPage);
141 }
142 catch (Throwable error)
143 {
144 Application.handleServletError(getServletContext(), (HttpServletRequest )request,
145 (HttpServletResponse )response, error, logger, returnPage);
146 }
147 }
148 }
149 |
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