@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(); } }