HandleClient.java

import java.io.*;
import java.net.*;
import java.lang.*;
/**
 *
 * @author sparrow
 */
public class HandleClient extends Thread {

    private Socket clientSocket = null;
    private int clientNo = 0;
    private OutputStreamWriter osw = null;
    private InputStreamReader isr = null;
    private BufferedReader br = null;
    
    // constructor
    public HandleClient( Socket socket, int clientNo) {
        //super( "ServerThread");
        this.clientSocket = socket;
        this.clientNo = clientNo;
    }  // constructor
   
    
    public void run() {
        
        char request[] =  new char[4];
        int nChars =0;
        try {
            osw = new OutputStreamWriter( clientSocket.getOutputStream());
            // the above line might need , "US-ASCII"); or // "UTF-8"?
            System.out.println( "Connection from: " +
                               clientSocket.getInetAddress());
            isr = new InputStreamReader( clientSocket.getInputStream()); // the above line might need , "US-ASCII"); or // "UTF-8"?
            br = new BufferedReader( isr);
            do
            {
                // try changing for isr rather than br
                //request = br.readLine();
                //System.out.println( "\tFrom client " + clientNo + ": " + request);
                
                nChars = isr.read(request,0,request.length);
                System.out.println("\t Reveived:"+ new String(request,0,nChars));
                // What happens if we don't send '\r\n' or only one of them?
                osw.write( "Hello from "+ InetAddress.getLocalHost() + " to Client no:" + clientNo + "\r\n");
                osw.flush(); // make sure msg got sent from the buffer!
                //} while( !request.equals( "END"));
                
                System.out.print( "ClientNo is \n:" + clientNo);
            } while( !(new String(request)).equals( "END"));
            
            System.out.println( "Client " + clientNo + " closed connection");
            osw.close();
            isr.close();
            br.close();
            clientSocket.close();
        } // end try{} accepting a client connection
        catch( IOException ioE) {
            System.err.println( "Connection error, maybe the client died!");
        }
        finally
        { // to trap any other errors!!
            try {
                if( clientSocket != null)
                {
                    clientSocket.close();
                }
            }
            catch( IOException ioE) {}
        }
    }
}