implementation of PushEventListener

[majeric]

Hi,

I have implemented PushEventListener as folows:

class MyPushEventListener implements PushEventListener {
 public void onEvent(EventObject evt) {
 System.out.println(evt.getSource());
 }
}

How to use this listener now in my thread? If I do like this:

public class Test extends Thread {
...
private MyPushEventListener listener;
public void addListener(EventListener listener) {
 synchronized (listener) {
 if (this.listener != listener) {
 this.listener = ((MyPushEventListener) listener);
 }
 }
 }
..
}

I get an error

org.ajax4jsf.webapp.PushEventsCounter cannot be cast to develop.MyPushEventListener

Does anyone now how to make this work?
I just need to call my own onEvent() method which is implemented in MyPushEventListener.

Thanks

[majeric]

anyone? I would realy need this, ASAP.

Thanks.

[nbelaevski]

Hi,

As you can see there are some other listeners that a4j:push component adds to event producer for its purposes. Implement addListener() method to hold a list of listeners, but not only the single listener of your type.

[majeric]

Implement addListener() method to hold a list of listeners, but not only the single listener of your type.

How should I do that? I would appreciate any quick example.

Thanks.

[nbelaevski]

Try this:

package test;

import java.util.EventListener;
import java.util.EventObject;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import org.ajax4jsf.event.PushEventListener;

public class Test extends Thread {
 private List<PushEventListener> listeners = new CopyOnWriteArrayList<PushEventListener>();

 public void addListener(EventListener listener) {
 listeners.add((PushEventListener) listener);
 }

 /* (non-Javadoc)
 * @see java.lang.Thread#run()
 */
 @Override
 public void run() {
 super.run();
 for (PushEventListener listener : listeners) {
 EventObject event = new EventObject(this);
 listener.onEvent(event);
 }
 }


}

[majeric]

OK. Thanks for help. I'll try this solution.

Uros