public int compareTo(ClassAnnotationsLoader o) {
Order order1 = AnnotationUtils.findAnnotation(getClass(), Order.class);
Order order2 = AnnotationUtils.findAnnotation(o.getClass(), Order.class);
int order1Value = order1 != null ? order1.value() : Ordered.LOWEST_PRECEDENCE;
int order2Value = order2 != null ? order2.value() : Ordered.LOWEST_PRECEDENCE;
return order1Value - order2Value;
}
/**
* Determine the order for this factory's target aspect, either an instance-specific order
* expressed through implementing the {@link org.springframework.core.Ordered} interface (only
* checked for singleton beans), or an order expressed through the {@link
* org.springframework.core.annotation.Order} annotation at the class level.
*
* @see org.springframework.core.Ordered
* @see org.springframework.core.annotation.Order
*/
public int getOrder() {
Class<?> type = this.beanFactory.getType(this.name);
if (type != null) {
if (Ordered.class.isAssignableFrom(type) && this.beanFactory.isSingleton(this.name)) {
return ((Ordered) this.beanFactory.getBean(this.name)).getOrder();
}
Order order = type.getAnnotation(Order.class);
if (order != null) {
return order.value();
}
}
return Ordered.LOWEST_PRECEDENCE;
}
@Override
public Object postProcess(Object bean, String beanName, Method method, T annotation) {
MessageHandler handler = this.createHandler(bean, method, annotation);
this.setAdviceChainIfPresent(beanName, annotation, handler);
if (handler instanceof Orderable) {
Order orderAnnotation = AnnotationUtils.findAnnotation(method, Order.class);
if (orderAnnotation != null) {
((Orderable) handler).setOrder(orderAnnotation.value());
}
}
if (beanFactory instanceof ConfigurableListableBeanFactory) {
String handlerBeanName =
this.generateHandlerBeanName(beanName, method, annotation.annotationType());
ConfigurableListableBeanFactory listableBeanFactory =
(ConfigurableListableBeanFactory) beanFactory;
listableBeanFactory.registerSingleton(handlerBeanName, handler);
handler = (MessageHandler) listableBeanFactory.initializeBean(handler, handlerBeanName);
}
AbstractEndpoint endpoint = this.createEndpoint(handler, annotation);
if (endpoint != null) {
return endpoint;
}
return handler;
}
@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;
}
private static int getOrder(@NotNull Object object) { // NOSONAR
Order order = object.getClass().getDeclaredAnnotation(Order.class);
return order != null ? order.value() : 10;
}
@Override
public int getOrder() {
Order order = getMethodAnnotation(Order.class);
return (order != null ? order.value() : 0);
}