Processing client with java.net.* for communicating with C#

import java.net.*;
import java.io.*;

//The socket
Socket s;

//For write
OutputStream os;
OutputStreamWriter osw;
BufferedWriter bw;

//For read
InputStream is;
InputStreamReader isr;
BufferedReader br;

//The received message
String data;

void setup(){
    size(0,0); //No matter

    //Setup the client (java.net socket...) connect in the server thread if it's not connected..
    s = new Socket();

}

void draw(){

    thread("dataReceiverThread"); //Run the networking in another thread every frame (instead of while loop in another thread)

}

void dataReceiverThread() {
 try {

   if (!s.isConnected()){
     s.connect(new InetSocketAddress("localhost", 8080));
   }

  //Get the output stream for write message
  if (os == null) {

   os = s.getOutputStream();
   osw = new OutputStreamWriter(os);
   bw = new BufferedWriter(osw);

  }

  //Get the input stream for reading
  if (is == null) {

   is = s.getInputStream();
   isr = new InputStreamReader(is);
   br = new BufferedReader(isr);

  }

  data = br.readLine(); //I can't read anything 'cause the socket is forced to close (C# throws the SocketClosedException 'cause its
                       //cant communicate with a closed socket.)

}