Upload a file to web server

1synchronized void doUpload()
2 {
3 String lineEnd = "\r\n";
4 String twoHyphens = "--";
5 String boundary = "*****";
6 Log.d(TAG,"lv1");
7
8 try
9 {
10 Log.d(TAG,"doUpload");
11 publishProgress("Uploading...");
12 HttpURLConnection conn = (HttpURLConnection)connectURL.openConnection();
13 conn.setDoInput(true);
14 conn.setDoOutput(true);
15 conn.setUseCaches(false);
16 conn.setRequestMethod("POST");
17 conn.setRequestProperty("Connection","Keep-Alive");
18 conn.setRequestProperty("Content-Type","multipart/form-data;boundary=" + boundary);
19 DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
20 dos.writeBytes(twoHyphens + boundary + lineEnd);
21 dos.writeBytes("Content-Disposition:form-data; name=\"uploadedfile\";filename=\"" + fileName + "\"" + lineEnd);
22 dos.writeBytes(lineEnd);
23
24 Log.d(TAG,"LvA");
25 Log.d(TAG,twoHyphens + boundary + lineEnd + ";Content-Disposition:form-data; name=\"uploadedfile\";filename=\"" + fileName + "\"" + lineEnd);
26
27 int bytesAvailable = fileInputStream.available();
28 int maxBufferSize = 1024;
29 int bufferSize = Math.min(bytesAvailable, maxBufferSize);
30
31 byte[] buffer = new byte[bufferSize];
32
33 int bytesRead = fileInputStream.read(buffer,0, bufferSize);
34 Log.d(TAG,"LvB");
35 while(bytesRead > 0)
36 {
37 dos.write(buffer, 0, bufferSize);
38 bytesAvailable = fileInputStream.available();
39 bufferSize = Math.min(bytesAvailable, maxBufferSize);
40 bytesRead = fileInputStream.read(buffer, 0, bufferSize);
41 }
42
43 dos.writeBytes(lineEnd);
44 dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
45
46 fileInputStream.close();
47 dos.flush();
48
49 InputStream is = conn.getInputStream();
50 int ch;
51 Log.d(TAG,"LvC");
52 StringBuffer buff = new StringBuffer();
53 while((ch=is.read()) != -1)
54 {
55 buff.append((char)ch);
56 }
57 publishProgress(buff.toString());
58 dos.close();
59 Log.d(TAG,"lv2");
60 }
61
62 catch(Exception e)
63 {
64 publishProgress(e.toString());
65 }
66 }