multi_part.java

public String demoMethod(List<NameValuePair> params) {
 String args = params.get(1).toString();
 String lineEnd = "\r\n"; 
 String twoHyphens = "--"; 
 String boundary =  "goBonziteam"; 
 /*int bytesRead, bytesAvailable, bufferSize; 
 byte[] buffer; 
 int maxBufferSize = 1*1024*1024; 
 File temp_file = new File("foo.txt");*/
 HttpsURLConnection conn;
 String response= "";
 // open a URL connection 
 

 
 try {
  URL url = new URL(webServiceUrl); 
 // Open a HTTP connection to the URL 
 conn = (HttpsURLConnection) url.openConnection(); 

 // Allow Inputs 
 conn.setDoInput(true); 

 // Allow Outputs 
 conn.setDoOutput(true); 

 // Don't use a cached copy. 
 conn.setUseCaches(false); 
 conn.setChunkedStreamingMode(0);

 // Use a post method. 
 conn.setRequestMethod("POST"); 
 conn.setRequestProperty("Connection", "Keep-Alive"); 
 conn.setRequestProperty("Cookie","PHP_SSL_TS=1kngj574m9kdank1b3hgt3u8n6; path=/"); 
 conn.setRequestProperty("Content-Type", "multipart/form-data; boundary="+boundary); 
 //conn.setRequestProperty("Transfer-Encoding","chunked");
 
 DataOutputStream dos;

 dos = new DataOutputStream( conn.getOutputStream() ); 

 // Send parameter #1
 dos.writeBytes(twoHyphens + boundary + lineEnd); 
 dos.writeBytes("Content-Disposition: form-data; name=\"cmd\"" + lineEnd + lineEnd);
 System.out.println("Content-Disposition: form-data; name=\"cmd\"" + lineEnd + lineEnd);
 dos.writeBytes("tsql" + lineEnd);
 // Send parameter #2
 dos.writeBytes(twoHyphens + boundary + lineEnd); 
 dos.writeBytes("Content-Disposition: form-data; name=\"args\"" + lineEnd + lineEnd);
 System.out.println("Content-Disposition: form-data; name=\"args\"" + lineEnd + lineEnd);
 dos.writeBytes(args + lineEnd);
 System.out.println("args======"+args);
 System.out.println("dos======"+dos.toString());
 

 /*// Send a binary file
 dos.writeBytes(twoHyphens + boundary + lineEnd); 
 dos.writeBytes("Content-Disposition: form-data; name=\"uploadedfile\";filename=\"" + temp_file.getName() +"\"" + lineEnd); 
 dos.writeBytes(lineEnd); 
*/
 // create a buffer of maximum size 
 
 /*
 FileInputStream fileInputStream = new ;
 
  bytesAvailable = fileInputStream.available();
 
 bufferSize = Math.min(bytesAvailable, maxBufferSize); 
 buffer = new byte[bufferSize]; 

 // read file and write it into form... 

 bytesRead = fileInputStream.read(buffer, 0, bufferSize); 

 while (bytesRead > 0) 
 { 
  dos.write(buffer, 0, bufferSize); 
  bytesAvailable = fileInputStream.available(); 
  bufferSize = Math.min(bytesAvailable, maxBufferSize); 
  bytesRead = fileInputStream.read(buffer, 0, bufferSize); 
 } */

 // send multipart form data necesssary after file data... 

 dos.writeBytes(lineEnd); 
 dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd); 

 // close streams 
 //fileInputStream.close(); 
 dos.flush(); 
 dos.close();
 
 
 Scanner inStream = new Scanner(conn.getInputStream());
 
 while(inStream.hasNextLine())
  response+=(inStream.nextLine());
 
 System.out.println(response);
 
 /* PrintWriter out = new PrintWriter(conn.getOutputStream());
 out.print(params);
 out.close();*/
 
 } catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 }
return response; 
}