import java.util.*;
import java.awt.*;

public class TimerClient extends Frame implements AlarmEventListener {

protected AlarmTimer timer;

//-------------------------------------------------------------------
// main() entry point
//-------------------------------------------------------------------
public static void main (String[] args) {
	new TimerClient();
}
//-------------------------------------------------------------------
// TimerClient Constructor
//-------------------------------------------------------------------
public TimerClient() {
	super("Timer Demo Window");

	// create a timer
	timer = new AlarmTimer(40);			// 40 seconds

	timer.setTickInterval(5);			// initial ticks every 5 seconds
	timer.setFont( new Font("Courier", Font.BOLD, 22));	// set display font

	try {
		timer.addAlarmStoppedEventListener(this);
		timer.addAlarmTickedEventListener(this);
	} catch (TooManyListenersException ex) {
		System.out.println("Could not register: " + ex);
	}

	add(timer, "Center");				// center spot of BorderLayout

	setSize(new Dimension(200,200));	// 1.0 resize()
	setVisible(true);					// 1.0 show()

	timer.start();
	System.out.println("X-33 Launch countdown started..");
}
//-------------------------------------------------------------------
// AlarmEventListener interface methods
//-------------------------------------------------------------------
public void alarmTicked(AlarmEvent tick) {
int time;

	time = tick.getSeconds();
	System.out.println("T minus " + time + " seconds..and counting.");

	// when timer hits the 10-seconds-left point, speed up ticks to
	// one per second.
	if ( timer.getTickInterval() == 5 && time < 15 ) {
		timer.setTickInterval(1);

		// change display font for last 10 seconds
		timer.setFont( new Font("TimesRoman", Font.ITALIC, 32));
	}
}

public void alarmStopped( AlarmEvent timeOut) {
	System.out.println("Houston, we have lift-off !!");
	System.exit(0);
}

} // End of Class TimerClient