Application: gvSIG desktop

package com.iver.cit.gvsig.animation.timer;

import java.util.ArrayList;

import java.util.List;

// this class is only an example. it isn?t used in librarys

public class AnimationTimer  implements Runnable {

        double milis;

        private boolean finish;

        private List callBackList;

        private Thread thread;

    /**

     * Lanza un timer cada segundo.

     */

    public AnimationTimer()

    {

    }

        public void run() {

                if (isAlive()) {

                        while (true) {

                                try {

                                        Thread.sleep((long) milis);

                                        synchronized (this) {

                                                if (finish) {

                                                        break;

                                                }

                                        }

                                } catch (InterruptedException e) {

                                        e.printStackTrace();

                                }

                                // Updating

                                Update();

                        }

                }                

        }

        public synchronized void end() {

                finish = true;

                thread.stop();

        }

        private void Update() {

                // TODO Auto-generated method stub

                for (int i = 0; i < callBackList.size(); i++) {

                        IUpdateCallBack element = (IUpdateCallBack) callBackList.get(i);

                        element.update();                

                }

        }

        public void start(double milis) {

                this.milis = milis;

                // Create the thread supplying it with the runnable object

                thread = new Thread(this);

                // Start the thread

                thread.start();

        }

        public void addCallBackObject(IUpdateCallBack object) {

                if (callBackList == null)

                        callBackList = new ArrayList();

                if (!callBackList.contains(object)) {

                        callBackList.add(object);

                }

        }

        public boolean isAlive() {

                if (thread != null)

                        return thread.isAlive();

                else

                        return false;

        }

}