Examples with EventListener org.glassfish.api.event.EventListener used on opensource projects

Example 6 with EventListener

use of org.glassfish.api.event.EventListener in project Payara by payara.

the class EventsImpl method send.

@Override
public void send(final Event event, boolean asynchronously) {
    List<EventListener> l = new ArrayList<EventListener>();
    l.addAll(listeners);
    for (final EventListener listener : l) {
        Method m = null;
        try {
            // check if the listener is interested with his event.
            m = listener.getClass().getMethod("event", Event.class);
        } catch (Throwable ex) {
            // We need to catch Throwable, otherwise we can server not to
            // shutdown when the following happens:
            // Assume a bundle which has registered a event listener
            // has been uninstalled without unregistering the listener.
            // listener.getClass() refers to a class of such an uninstalled
            // bundle. If framework has been refreshed, then the
            // classloader can't be used further to load any classes.
            // As a result, an exception like NoClassDefFoundError is thrown
            // from getMethod.
            logger.log(Level.SEVERE, KernelLoggerInfo.exceptionSendEvent, ex);
        }
        if (m != null) {
            RestrictTo fooBar = m.getParameterTypes()[0].getAnnotation(RestrictTo.class);
            if (fooBar != null) {
                EventTypes interested = EventTypes.create(fooBar.value());
                if (!event.is(interested)) {
                    continue;
                }
            }
        }
        if (asynchronously) {
            executor.submit(new Runnable() {

                @Override
                public void run() {
                    try {
                        listener.event(event);
                    } catch (Throwable e) {
                        logger.log(Level.WARNING, KernelLoggerInfo.exceptionDispatchEvent, e);
                    }
                }
            });
        } else {
            try {
                listener.event(event);
            } catch (DeploymentException de) {
                // we re-throw the exception to abort the deployment
                throw de;
            } catch (Throwable e) {
                logger.log(Level.WARNING, KernelLoggerInfo.exceptionDispatchEvent, e);
            }
        }
    }
}