java/Server at master · palashmaran/java · GitHub

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package server;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.logging.Level;
import java.util.logging.Logger;

 public class Server {
	public static void main(String args[])
	{


          final ExecutorService service = Executors.newCachedThreadPool();
                ServerSocket ss=null;
            try {
                ss = new ServerSocket(5073);
            } catch (IOException ex) {
                Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
            }


                while(true)
                {


                    Socket S=null;
                    try {
                        S = ss.accept();
                        Receiving R=new Receiving(S);
                        //Sending Sen=new Sending(S);
                        service.submit(R);//establishes connection
                       // service.submit(Sen);

                    } catch (IOException ex) {
                        Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
                    }
             }

        }
     }

 class Receiving implements Runnable
 {
   private Socket S;
   Receiving (Socket s)
   {
	   this.S=s;

		// TODO Auto-generated catch block

   }
	public void run() {
               try {
                   // TODO Auto-generated method stub
                        String str="",str2="";
                        DataInputStream din=new DataInputStream(this.S.getInputStream());
                        DataOutputStream dout=new DataOutputStream(this.S.getOutputStream());
 			BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

                       while(true)
                       { str=din.readUTF();
                         System.out.println("client says: "+str);
                        str2=br.readLine();
                        if(!str2.isEmpty())
                         dout.writeUTF(str2);

                       }

                    }
                    catch (IOException ex) {
                         Logger.getLogger(Receiving.class.getName()).log(Level.SEVERE, null, ex);
                      }

           }

    }


 class Sending implements Runnable
 {
    private Socket S;
    public Sending(Socket s)
    {
        this.S=s;
    }
	public void run() {
		// TODO Auto-generated method stub
		try {
                   // TODO Auto-generated method stub
                        String str="";
                        DataOutputStream dout=new DataOutputStream(this.S.getOutputStream());
 			BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

                       while(true)
                       {
                           dout.writeUTF(br.readLine());
                        }

                    }
                    catch (IOException ex) {
                         Logger.getLogger(Receiving.class.getName()).log(Level.SEVERE, null, ex);
                      }

           }

	}