SnellPositionClient.java

package MV3500Cohort2018JanuaryMarch.homework1;

//package PositionClient;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;

/**
 * homework assignment
 * @author AJSNELL
 */
public class SnellPositionClient {
    /**
     * Program invocation, execution starts here
     * @param args command-line arguments
     */
    public static void main(String[] args)
    {
        String hostName = args[0]; // poor practice, ought to throw meaningful exception message
        try (Socket clientSocket = new Socket(hostName, 8005);
                PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
                BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
                BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in))) {
                    String userInput;
                    out.println("unit id: 1\nunit pos: 11S MS 4859 9849");
                    while ((userInput = stdIn.readLine()) != null) {
                        out.println(userInput);
                        System.out.println("from client: " + in.readLine());
                    }
        } catch (UnknownHostException e) {
            System.err.println("Don't know about host " + hostName);
            System.exit(1);
        } catch (IOException e) {
            System.err.println("Couldn't get I/O for the connection to " + hostName);
            System.exit(1);
        }
    }
}