import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.net.*;
import java.io.*;
import java.lang.*;
import java.text.*;
import java.util.*;


public class Test extends Applet { 
	static private boolean isapplet = true;
	static private InetAddress arg_ip = null;
	static private int arg_port = 0;
public tcpip gtp = null;;
	InetAddress reader_ip = null;
	int port = 10001;

	public void init()
	{
		gtp = null;
		reader_ip = null;
		port = 10001;
	}

	public void start()
	{
		String st = new String("TCP/IP Verbindungsstatus: ");
		setFont(new Font("Dialog",Font.BOLD,16));
		setLayout(new GridBagLayout());
    		GridBagConstraints c = new GridBagConstraints();
    		c.gridx = 0; c.gridy = 0; c.gridwidth = 1; c.gridheight = 1;
		c.anchor = GridBagConstraints.CENTER;
		c.fill = GridBagConstraints.BOTH;
		c.insets =  new Insets(5,5,5,5);
		setBackground(Color.yellow);
		setSize(600,500);

				/* Either get the IP address from the HTTP server if we're
				   an applet, or from the commandline (if passed). */
		if (isapplet) {
			try{
				reader_ip = InetAddress.getByName(getCodeBase().getHost());
			}
			catch (UnknownHostException e){}
		}
		else {
			reader_ip = arg_ip;
			if (arg_port != 0) {
				port = arg_port;
			}
		}
				/* Open a socket to the Device Server's serial port */
		if (reader_ip != null) {
			if (gtp == null) {
				gtp = new tcpip(reader_ip, port);
				if (gtp.s == null) {
					st += "Keine Verbindung! ";
					gtp = null;
				}
			}
		}
		if (gtp == null) {
			st += "Getrennt";
			add((new Label(st)), c);
			return;
		}
		st += "Verbunden";
		add((new Label(st)), c);
                
        /* You may now perform IO with the Device Server via
         *		gtp.send(byte[] data_out);
         *		byte[] data_in = gtp.receive();
         * functions.
         * In our example we'll use two TextBoxes which have been extended
         * to handle IO to the Device Server.  Data typed in the upper
         * text box will be sent to the Device Server, and data received
         * will be displayed in the lower text box.
         */
        /********************************************************/ 
        /*          Start of custom application code              */
        /*          ADD YOUR CODE HERE                       */
        /********************************************************/ 
                
            c.gridx = 0; c.gridy = 2; c.gridwidth = 3; c.gridheight = 1;
            c.anchor = GridBagConstraints.WEST;
            add((new Text_io(gtp)), c);


            try
              {
                byte[] data_out = new String("idn?\r\n").getBytes("UTF-8");
                gtp.send(data_out); 
              }
              catch (java.io.UnsupportedEncodingException e)
              {
              }
        /********************************************************/ 
        /*          End of custom application code              */
        /********************************************************/

	}

	public void destroy()
	{
		if (gtp != null)
			gtp.disconnect();
		gtp = null;
	}

	public void stop() {
	}

    	public static void main(String[] args) {
		Frame frame = new Frame("XPort Device Server");
        		frame.addWindowListener(new WindowAdapter() {
            			public void windowClosing(WindowEvent e) {
                				System.exit(0);
            			}
        		});
		if (args.length > 0) {
			try{
				arg_ip = InetAddress.getByName(args[0]);
			}
			catch (UnknownHostException e){}
			if (args.length > 1) {
				try {
					arg_port = Integer.valueOf(args[1]).intValue();
				}
				catch (NumberFormatException e) {}
			}
		}
		Test ap = new Test();
		frame.add(ap);
		ap.init();
		isapplet = false;
		ap.start();
	    	frame.pack();
		frame.show();
	}
}