// DST update detection, Andrew Daviel, TRIUMF, March 2007

import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Color;
import java.util.Calendar;
import java.util.TimeZone ;

public class j3timex2app2 extends Applet{

  public void init() {
	setBackground(Color.cyan);
  }

  public void start() {
        System.out.println("java.version "+System.getProperty("java.version")) ;
  }

  public void stop() {
        System.out.println("stopping...");
  }

  public void destroy() {
        System.out.println("preparing to unload...");
  }

   public void paint(Graphics g){
     int x,y,dy ;
     x=15 ; y=25 ; dy=15 ;
     Calendar c = Calendar.getInstance();
     int off = c.get (Calendar.DST_OFFSET ) / (60 * 1000) ;
     TimeZone tz = c.getTimeZone() ;
     System.out.println("Paint");

     g.setColor(Color.blue);
     g.drawRect(0, 0,
     getSize().width -1,
     getSize().height -1);
     g.setColor(Color.red);
     g.drawString(System.getProperty("java.vendor") + " Java "+System.getProperty("java.version"), x,y) ; y+= dy ;
     g.drawString("Current Timezone: " + tz.getDisplayName(), x,y) ;y+= dy ;
     c.set(2007,2,15) ;
     g.drawString( "Expect PDT for March 15, and get  " + c.getTime (), x,y ) ; y+= dy ;
     off = c.get (Calendar.DST_OFFSET ) / (60 * 1000) ;
     y+= dy ;
     if (off == 60) {
       g.drawString("Correct (Java is OK)", x,y ) ; y+= dy ;
     } else {
       g.drawString("Incorrect (Java must be updated or patched)", x,y ) ; y+= dy ;
     } 
   }
}