Klok.java

package hfdst3;
import java.util.GregorianCalendar;
import java.util.Calendar;
import hfdst3.eventbroker.*;

class Display implements EventListener {
    private String id;
    public Display(String id){
        this.id=id;
    }

    @Override
    public void handleEvent(Event e) {
        System.out.println(e);
        if(e.getType()=="stop") {
            System.out.println("KLOK STOPPEN: "+ id);
        }
    }
}

class Klok extends EventPublisher {
    protected int number,pause;
    protected GregorianCalendar cal;
    public Klok(int number,int pause){
        this.number=number;
        this.pause=pause;
    }
    public void start() {
        for(int i=0; i<number; i++) {
            cal = new GregorianCalendar();
            String time = ""+cal.get(Calendar.HOUR)+":"+cal.get(Calendar.MINUTE)+":"+cal.get(Calendar.SECOND);
            Event e = new Event("tick", time);
            publishEvent(e);
            try {
                Thread.sleep(1000);
            } catch (InterruptedException x) {
                System.err.println(x);
            }
        }
        Event stp = new Event("stop", "Klok proberen stoppen");
        publishEvent(stp);
    }
}

class Main {
    public static void main(String[] args) {
        Klok t=new Klok(10,1);
        Display dA=new Display("A");
        Display dB=new Display("B");
        EventBroker broker=EventBroker.getEventBroker();
        broker.addEventListener(dA);
        broker.addEventListener(dB);
        t.start();
    }
}