FileUpload


1   package org.appfuse.webapp.action;
2   
3   import java.io.File  ;
4   import java.io.FileOutputStream  ;
5   import java.io.IOException  ;
6   import java.io.InputStream  ;
7   import java.io.OutputStream  ;
8   import java.io.Serializable  ;
9   
10  import javax.servlet.http.HttpServletRequest  ;
11  
12  import org.apache.myfaces.custom.fileupload.UploadedFile;
13  
14  import org.appfuse.Constants;
15  
16  public class FileUpload extends BasePage implements Serializable   {
17      private static final long serialVersionUID = 6932775516007291334L;
18      private UploadedFile file;
19      private String   name;
20  
21      public UploadedFile getFile() {
22          return file;
23      }
24  
25      public void setFile(UploadedFile file) {
26          this.file = file;
27      }
28  
29      public String   getName() {
30          return name;
31      }
32  
33      public void setName(String   name) {
34          this.name = name;
35      }
36  
37      public String   upload() throws IOException   {
38          HttpServletRequest   request = getRequest();
39          
40          // write the file to the filesystem
41          // the directory to upload to
42          String   uploadDir =
43              getServletContext().getRealPath("/resources") + "/" +
44              request.getRemoteUser() + "/";
45  
46          // Create the directory if it doesn't exist
47          File   dirPath = new File  (uploadDir);
48  
49          if (!dirPath.exists()) {
50              dirPath.mkdirs();
51          }
52  
53          //retrieve the file data
54          InputStream   stream = file.getInputStream();
55  
56          //write the file to the file specified
57          OutputStream   bos =
58              new FileOutputStream  (uploadDir + file.getName());
59          int bytesRead = 0;
60          byte[] buffer = new byte[8192];
61  
62          while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
63              bos.write(buffer, 0, bytesRead);
64          }
65  
66          bos.close();
67  
68          //close the stream
69          stream.close();
70  
71          // place the data into the request for retrieval on next page
72          request.setAttribute("friendlyName", name);
73          request.setAttribute("fileName", file.getName());
74          request.setAttribute("contentType", file.getContentType());
75          request.setAttribute("size", file.getSize() + " bytes");
76          request.setAttribute("location",
77                               dirPath.getAbsolutePath() + Constants.FILE_SEP +
78                               file.getName());
79  
80          String   link =
81              request.getContextPath() + "/resources" + "/" +
82              request.getRemoteUser() + "/";
83  
84          request.setAttribute("link", link + file.getName());
85          
86          return "success";
87      }
88  }
89
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags