!7

import javax.management.*;

import javax.management.openmbean.CompositeData;

import com.sun.management.GarbageCollectionNotificationInfo;

p {

  wordWrapConsole();

  NotificationListener listener = new NotificationListener {

    @Override

    public void handleNotification(Notification notification, O handback) {

      print("type: " + notification.getType());

      if (notification.getType().equals(GarbageCollectionNotificationInfo.GARBAGE_COLLECTION_NOTIFICATION)) {

        // extract garbage collection information from notification.

        GarbageCollectionNotificationInfo gcInfo = GarbageCollectionNotificationInfo.from((CompositeData) notification.getUserData());

        //print("Cause: " + gcInfo.getGcCause();

        pnlStruct(callAllMethodsInInterface(gcInfo, GarbageCollectionNotificationInfo.class);

        print();

      }

    }

  };

  // register our listener with all gc beans

  for (GarbageCollectorMXBean gcBean : ManagementFactory.getGarbageCollectorMXBeans())

    ((NotificationEmitter) gcBean).addNotificationListener(listener, null, null);

}