// FahrenheitClient.java
/**
 * Routine to send a request to FahrenheitServer to convert temperature
 * in Celsius to Fahrenheit.
 * @author R.N. Ciminero
 * @version 1.0 02-27-2001
 */

import java.net.*;
import java.io.*;

public class FahrenheitClient {

    public final static int DEFAULT_PORT = 2056;

    public static void main(String[] args) {

    String hostname = "localhost";

    // Use local host name, if none on the command line

    if (args.length > 0) {   
      hostname = args[0];
    }

    PrintWriter clientOut = null;
    BufferedReader serverIn = null;

    System.out.println("FahrenheitClient");
    System.out.print("Temperature: ");

    try {
	Socket theSocket = new Socket(hostname, DEFAULT_PORT);

	// Accept Celsius temperature from console and output to server

	BufferedReader userIn = new BufferedReader(
                                new InputStreamReader(System.in));

	clientOut = new PrintWriter(theSocket.getOutputStream());
 
        String theLine = userIn.readLine();
        clientOut.println(theLine);
        clientOut.flush();


      // Input Fahrenheit Server response

	serverIn = new BufferedReader(
	   	   new InputStreamReader(theSocket.getInputStream()));

	String input = " ";
	input = serverIn.readLine(); 

	// Output Celsius and Fahrenheit temperatures to console

	while ( input != null ) {
	    System.out.println(input);
	    input = serverIn.readLine(); 
	}
      
    } // end try
    catch (IOException e) {
      System.err.println(e);
    }
    finally {
      try {
        if (serverIn != null) serverIn.close(); 
        if (clientOut != null) clientOut.close(); 
      }
      catch (IOException e) {}
    }
  }  // end main
}  // end FahrenheitClient