@Override
public <T extends EventListener> void addListener(final T t) {
ensureNotInitialized();
ensureNotProgramaticListener();
if (ApplicationListeners.listenerState() != NO_LISTENER
&& ServletContextListener.class.isAssignableFrom(t.getClass())) {
throw UndertowServletMessages.MESSAGES.cannotAddServletContextListener();
}
ListenerInfo listener =
new ListenerInfo(t.getClass(), new ImmediateInstanceFactory<EventListener>(t));
deploymentInfo.addListener(listener);
deployment.getApplicationListeners().addListener(new ManagedListener(listener, true));
}
@Override
public void addListener(final Class<? extends EventListener> listenerClass) {
ensureNotInitialized();
ensureNotProgramaticListener();
if (ApplicationListeners.listenerState() != NO_LISTENER
&& ServletContextListener.class.isAssignableFrom(listenerClass)) {
throw UndertowServletMessages.MESSAGES.cannotAddServletContextListener();
}
InstanceFactory<? extends EventListener> factory = null;
try {
factory = deploymentInfo.getClassIntrospecter().createInstanceFactory(listenerClass);
} catch (Exception e) {
throw new IllegalArgumentException(e);
}
final ListenerInfo listener = new ListenerInfo(listenerClass, factory);
deploymentInfo.addListener(listener);
deployment.getApplicationListeners().addListener(new ManagedListener(listener, true));
}
private void ensureNotProgramaticListener() {
if (ApplicationListeners.listenerState() == PROGRAMATIC_LISTENER) {
throw UndertowServletMessages.MESSAGES.cannotCallFromProgramaticListener();
}
}