Server-new

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.Calendar;
import javax.swing.JOptionPane;


public class Camera extends Thread{

PrintWriter writer;
long TimeoutStart;
int TIMEOUT=6000;
int PositionfromSocket=5;
String line;
long timeDiff;
long receivedTime;
String indexOfReceived;
String rec;
BufferedReader in;
Socket clientSocket;
ServerSocket serverSocket;

    public Camera() throws FileNotFoundException, UnsupportedEncodingException{
        writer = new PrintWriter("time.txt", "UTF-8");//open new file
    try {
    serverSocket = new ServerSocket(1248);
        } catch (IOException e1) {
e1.printStackTrace();
}
}

public void run() {
try {
clientSocket = serverSocket.accept();
in = new BufferedReader(
       new InputStreamReader(clientSocket.getInputStream()));
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
int prev=999;
long timeCounter = System.currentTimeMillis();
while(true)
{
try
{
line=in.readLine();//read input line
receivedTime=System.currentTimeMillis(); //get time now in miliseconds
PositionfromSocket=Integer.parseInt(line.substring(0,1)); //get the position of the player
indexOfReceived=line.substring(14);//get the index
rec=line.substring(0,1);//add the position to new line
rec+=receivedTime+"";//add the received time
rec+=indexOfReceived;//add the index
writer.println(rec);//add this line to file
System.out.println("Message time: "+(System.currentTimeMillis()-timeCounter));
timeCounter=System.currentTimeMillis();
System.out.println("Socket Position "+PositionfromSocket);
if(PositionfromSocket<1 || PositionfromSocket>9)
{   PositionfromSocket = prev;
}

} catch (IOException e)
{
System.err.println("Can not read from camera module.");
}
}
}
}