NSTimer.java

package org.xmlvm.iphone;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;



public class NSTimer
    implements Runnable
{

    private Object target;
    private String method;
    private Object userInfo;

    private boolean repeats;
    private Thread thread;
    private long   milliInterval;



    public NSTimer(float timerInterval, Object target, String method,
            Object userInfo, boolean repeats)
    {
        this.target = target;
        this.method = method;
        this.userInfo = userInfo;
        this.repeats = repeats;
        this.milliInterval = (long) (timerInterval * 1000);
        thread = new Thread(this);
        thread.start();
    }



    public void run()
    {
        while (true) {
            try {
                Thread.sleep(milliInterval);
            }
            catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            timerTick();
            if(!repeats)
            {
            	break;
            }
        }
    }



    private void timerTick()
    {
        Class[] paramTypes = {NSTimer.class};
        Object[] params = {this};
        Class targetClass = target.getClass();
        Method m = null;
        try {
            m = targetClass.getMethod(method, paramTypes);
        }
        catch (SecurityException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        catch (NoSuchMethodException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        //TODO the following is denied by the applets Security Manager
        //if (!m.isAccessible())
        //    m.setAccessible(true);

        try {
            m.invoke(target, params);
        }
        catch (IllegalArgumentException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (InvocationTargetException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}