Using Thread to handle Socket client - Java Network

Java examples for Network:TCP

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Description

Using Thread to handle Socket client

Demo Code

import java.io.*;
import java.net.*;
public class Client {
     public static void main(String[] args) {
          try {/*from  w  w  w  .  j a  va  2s  .c o  m*/
               Socket sock = new Socket("localhost",444);
               SendThread sendThread = new SendThread(sock);
               Thread thread = new Thread(sendThread);thread.start();
               RecieveThread recieveThread = new RecieveThread(sock);
               Thread thread2 =new Thread(recieveThread);thread2.start();
          } catch (Exception e) {
            System.out.println(e.getMessage());
        }
     }
}

class RecieveThread implements Runnable {
     Socket sock=null;
     BufferedReader recieve=null;

     public RecieveThread(Socket sock) {
          this.sock = sock;
     }//end constructor

     public void run() {

          try {
              recieve = new BufferedReader(new InputStreamReader(this.sock.getInputStream()));//get inputstream
              String msgRecieved = null;
              while((msgRecieved = recieve.readLine())!= null) {
                   System.out.println("From Server: " + msgRecieved);
                   System.out.println("Please enter something to send to server..");
              }
          } catch(Exception e) {
            System.out.println(e.getMessage());
        }
     }//end run
}//end class recievethread

class SendThread implements Runnable {
     Socket sock=null;
     PrintWriter print=null;
     BufferedReader brinput=null;

     public SendThread(Socket sock) {
          this.sock = sock;
     }//end constructor
     public void run() {
          try {
              if( sock.isConnected() ) {

                   System.out.println("Client connected to "+sock.getInetAddress() + " on port "+sock.getPort());
                   this.print = new PrintWriter(sock.getOutputStream(), true);

                while(true) {
                       System.out.println("Type your message to send to server..type 'EXIT' to exit");
                       brinput = new BufferedReader(new InputStreamReader(System.in));
                       String msgtoServerString=null;
                       msgtoServerString = brinput.readLine();
                       this.print.println(msgtoServerString);
                       this.print.flush();
                    if ( msgtoServerString.equals("EXIT") )
                       break;
                   }//end while

                sock.close();
            } //end if
        } catch(Exception e) {
            System.out.println(e.getMessage());
        } // end try catch
     }//end run method
}//end class

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