import java.net.*;
import java.io.*;
/*
 Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.

 A simple server program. It needs the class 'JokeHandler' that 
 contains the protocol that the server understands. The code is
 taken from the excellent SUN online Java tutorial and slightly
 modified.
*/

class JokeServer 
{
   public static void main(String args[]) 
   {
      ServerSocket serverSocket = null;
      try 
      {
         serverSocket = new ServerSocket(4444);
      } 
      catch (IOException e) 
      {
         System.out.println("Could not listen on port: " + 4444 + ", " + e);
         System.exit(1);
      }

      Socket clientSocket = null;
      try 
      {
         clientSocket = serverSocket.accept();
      } 
      catch (IOException e) 
      {
         System.out.println("Accept failed: " + 4444 + ", " + e);
         System.exit(1);
      }

      try 
      {
         DataInputStream inStream  = new DataInputStream(
                                     new BufferedInputStream(clientSocket.getInputStream()));
         PrintStream     outStream = new PrintStream(
                                     new BufferedOutputStream(clientSocket.getOutputStream(), 1024), false);
         JokeHandler handler = new JokeHandler();
         String inputLine, outputLine;

         outputLine = handler.processInput(null);
         outStream.println(outputLine);
         outStream.flush();

         while ((inputLine = inStream.readLine()) != null) 
         {
            outputLine = handler.processInput(inputLine);
            outStream.println(outputLine);
            outStream.flush();
            if (outputLine.equals("Bye"))
               break;
         }
         outStream.close();
         inStream.close();
         clientSocket.close();
         serverSocket.close();
      } 
      catch (IOException e) 
      {
            e.printStackTrace();
      }
   }
}