@Override
public <T extends Filter> T createFilter(final Class<T> clazz) throws ServletException {
ensureNotProgramaticListener();
try {
return deploymentInfo
.getClassIntrospecter()
.createInstanceFactory(clazz)
.createInstance()
.getInstance();
} catch (Exception e) {
throw UndertowServletMessages.MESSAGES.couldNotInstantiateComponent(clazz.getName(), e);
}
}
@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));
}
@Override
public void handleDeployment(DeploymentInfo deploymentInfo, ServletContext servletContext) {
WebSocketDeploymentInfo info =
(WebSocketDeploymentInfo)
deploymentInfo
.getServletContextAttributes()
.get(WebSocketDeploymentInfo.ATTRIBUTE_NAME);
if (info == null) {
return;
}
if (info.getWorker() == null) {
JsrWebSocketLogger.ROOT_LOGGER.xnioWorkerWasNull();
}
final List<ThreadSetupAction> setup = new ArrayList<ThreadSetupAction>();
setup.add(new ContextClassLoaderSetupAction(deploymentInfo.getClassLoader()));
setup.addAll(deploymentInfo.getThreadSetupActions());
final CompositeThreadSetupAction threadSetupAction = new CompositeThreadSetupAction(setup);
ServerWebSocketContainer container =
new ServerWebSocketContainer(
deploymentInfo.getClassIntrospecter(),
servletContext.getClassLoader(),
info.getWorker(),
info.getBuffers(),
threadSetupAction,
info.isDispatchToWorkerThread());
try {
for (Class<?> annotation : info.getAnnotatedEndpoints()) {
container.addEndpoint(annotation);
}
for (ServerEndpointConfig programatic : info.getProgramaticEndpoints()) {
container.addEndpoint(programatic);
}
} catch (DeploymentException e) {
throw new RuntimeException(e);
}
servletContext.setAttribute(ServerContainer.class.getName(), container);
info.containerReady(container);
SecurityActions.addContainer(deploymentInfo.getClassLoader(), container);
deploymentInfo.addListener(Servlets.listener(WebSocketListener.class));
}