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

public class hpMessage {

	public hpMessage()
	{
	}

	public static void main(String[] args)
	{
		if ( args.length < 2 )
		{
			System.out.println("Usage: java hpMessage [host] [message]");
		}
		else if ( sendMsg(args[0], args[1]) == false )
		{
			System.out.println("Error: " + getError());
		}
	}
	
	private static void setError(String msg)
	{
		ErrorMsg = msg;
	}
	public static String getError()
	{
		return ErrorMsg;
	}

	public static boolean sendMsg(String addr, String msg)
	{
		Socket hpSocket = null;
		PrintWriter out = null;
//		BufferedReader in = null;
		
		try
		{
			hpSocket = new Socket(addr,9100);
			out = new PrintWriter(hpSocket.getOutputStream(),true);
//			in = new BufferedReader(new InputStreamReader(hpSocket.getInputStream()));
		}
		catch (UnknownHostException e)
		{
			// Unknown host
			setError("Unknown host");
			return false;
		}
		catch (ConnectException e)
		{
			// connection refused
			setError("Connection refused");
			return false;
		}
		catch (NoRouteToHostException e)
		{
			// couldn't connect
			setError("Couldn't connect to host");
			return false;
		}
		catch (IOException e)
		{
			// couldn't get I/O for connection
			setError("Unable to open I/O for connection");
			return false;
		}

//		BufferedReader stdln = new BufferedReader(new InputStreamReader(System.in));

		out.println(
			"\033%-12345X@PJL RDYMSG DISPLAY = \"" + msg + "\"\r\n\033%-12345X\r\n"
		);						// write to socket
// 		in.readLine();			// read from socket

		try
		{
			out.close();
//			in.close();
//			stdln.close();
			hpSocket.close();
		}
		catch (IOException e)
		{
		}

		return true;
	}

	static String ErrorMsg;
}