protected final void setAdviceChainIfPresent(
String beanName, T annotation, MessageHandler handler) {
String[] adviceChainNames =
(String[]) AnnotationUtils.getValue(annotation, ADVICE_CHAIN_ATTRIBUTE);
if (adviceChainNames != null && adviceChainNames.length > 0) {
if (!(handler instanceof AbstractReplyProducingMessageHandler)) {
throw new IllegalArgumentException(
"Cannot apply advice chain to " + handler.getClass().getName());
}
List<Advice> adviceChain = new ArrayList<Advice>();
for (String adviceChainName : adviceChainNames) {
Object adviceChainBean = this.beanFactory.getBean(adviceChainName);
if (adviceChainBean instanceof Advice) {
adviceChain.add((Advice) adviceChainBean);
} else if (adviceChainBean instanceof Advice[]) {
for (Advice advice : (Advice[]) adviceChainBean) {
adviceChain.add(advice);
}
} else if (adviceChainBean instanceof Collection) {
@SuppressWarnings("unchecked")
Collection<Advice> adviceChainEntries = (Collection<Advice>) adviceChainBean;
for (Advice advice : adviceChainEntries) {
adviceChain.add(advice);
}
} else {
throw new IllegalArgumentException(
"Invalid advice chain type:"
+ adviceChainName.getClass().getName()
+ " for bean '"
+ beanName
+ "'");
}
}
((AbstractReplyProducingMessageHandler) handler).setAdviceChain(adviceChain);
}
}
@Override
public Object postProcess(
Object bean, String beanName, Method method, List<Annotation> annotations) {
if (this.beanAnnotationAware()
&& AnnotatedElementUtils.isAnnotated(method, Bean.class.getName())) {
try {
resolveTargetBeanFromMethodWithBeanAnnotation(method);
} catch (NoSuchBeanDefinitionException e) {
if (this.logger.isDebugEnabled()) {
this.logger.debug(
"Skipping endpoint creation; "
+ e.getMessage()
+ "; perhaps due to some '@Conditional' annotation.");
}
return null;
}
}
List<Advice> adviceChain = extractAdviceChain(beanName, annotations);
MessageHandler handler = createHandler(bean, method, annotations);
if (!CollectionUtils.isEmpty(adviceChain)
&& handler instanceof AbstractReplyProducingMessageHandler) {
((AbstractReplyProducingMessageHandler) handler).setAdviceChain(adviceChain);
}
if (handler instanceof Orderable) {
Order orderAnnotation = AnnotationUtils.findAnnotation(method, Order.class);
if (orderAnnotation != null) {
((Orderable) handler).setOrder(orderAnnotation.value());
}
}
if (handler instanceof AbstractMessageProducingHandler
|| handler instanceof AbstractMessageRouter) {
String sendTimeout =
MessagingAnnotationUtils.resolveAttribute(annotations, "sendTimeout", String.class);
if (sendTimeout != null) {
Long value = Long.valueOf(this.beanFactory.resolveEmbeddedValue(sendTimeout));
if (handler instanceof AbstractMessageProducingHandler) {
((AbstractMessageProducingHandler) handler).setSendTimeout(value);
} else {
((AbstractMessageRouter) handler).setSendTimeout(value);
}
}
}
boolean handlerExists = false;
if (this.beanAnnotationAware()
&& AnnotatedElementUtils.isAnnotated(method, Bean.class.getName())) {
Object handlerBean = this.resolveTargetBeanFromMethodWithBeanAnnotation(method);
handlerExists = handlerBean != null && handler == handlerBean;
}
if (!handlerExists) {
String handlerBeanName = generateHandlerBeanName(beanName, method);
this.beanFactory.registerSingleton(handlerBeanName, handler);
handler = (MessageHandler) this.beanFactory.initializeBean(handler, handlerBeanName);
}
if (AnnotatedElementUtils.isAnnotated(method, IdempotentReceiver.class.getName())
&& !AnnotatedElementUtils.isAnnotated(method, Bean.class.getName())) {
String[] interceptors =
AnnotationUtils.getAnnotation(method, IdempotentReceiver.class).value();
for (String interceptor : interceptors) {
DefaultBeanFactoryPointcutAdvisor advisor = new DefaultBeanFactoryPointcutAdvisor();
advisor.setAdviceBeanName(interceptor);
NameMatchMethodPointcut pointcut = new NameMatchMethodPointcut();
pointcut.setMappedName("handleMessage");
advisor.setPointcut(pointcut);
advisor.setBeanFactory(this.beanFactory);
if (handler instanceof Advised) {
((Advised) handler).addAdvisor(advisor);
} else {
ProxyFactory proxyFactory = new ProxyFactory(handler);
proxyFactory.addAdvisor(advisor);
handler = (MessageHandler) proxyFactory.getProxy(this.beanFactory.getBeanClassLoader());
}
}
}
if (!CollectionUtils.isEmpty(adviceChain)) {
for (Advice advice : adviceChain) {
if (advice instanceof HandleMessageAdvice) {
NameMatchMethodPointcutAdvisor handlerAdvice = new NameMatchMethodPointcutAdvisor(advice);
handlerAdvice.addMethodName("handleMessage");
if (handler instanceof Advised) {
((Advised) handler).addAdvisor(handlerAdvice);
} else {
ProxyFactory proxyFactory = new ProxyFactory(handler);
proxyFactory.addAdvisor(handlerAdvice);
handler = (MessageHandler) proxyFactory.getProxy(this.beanFactory.getBeanClassLoader());
}
}
}
}
AbstractEndpoint endpoint = createEndpoint(handler, method, annotations);
if (endpoint != null) {
return endpoint;
}
return handler;
}