Examples with ReplyProducingMessageHandlerWrapper org.springframework.integration.handler.ReplyProducingMessageHandlerWrapper used on opensource projects

Example 1 with ReplyProducingMessageHandlerWrapper

use of org.springframework.integration.handler.ReplyProducingMessageHandlerWrapper in project spring-integration by spring-projects.

the class AbstractMethodAnnotationPostProcessor method postProcess.

@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);
        if (handler instanceof ReplyProducingMessageHandlerWrapper && StringUtils.hasText(MessagingAnnotationUtils.endpointIdValue(method))) {
            handlerBeanName = handlerBeanName + ".wrapper";
        }
        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;
}

Example 2 with ReplyProducingMessageHandlerWrapper

use of org.springframework.integration.handler.ReplyProducingMessageHandlerWrapper in project spring-integration by spring-projects.

the class ServiceActivatorAnnotationPostProcessor method createHandler.

@Override
protected MessageHandler createHandler(Object bean, Method method, List<Annotation> annotations) {
    AbstractReplyProducingMessageHandler serviceActivator;
    if (AnnotatedElementUtils.isAnnotated(method, Bean.class.getName())) {
        final Object target = this.resolveTargetBeanFromMethodWithBeanAnnotation(method);
        serviceActivator = this.extractTypeIfPossible(target, AbstractReplyProducingMessageHandler.class);
        if (serviceActivator == null) {
            if (target instanceof MessageHandler) {
                /*
					 * Return a reply-producing message handler so that we still get 'produced no reply' messages
					 * and the super class will inject the advice chain to advise the handler method if needed.
					 */
                return new ReplyProducingMessageHandlerWrapper((MessageHandler) target);
            } else {
                serviceActivator = new ServiceActivatingHandler(target);
            }
        } else {
            checkMessageHandlerAttributes(resolveTargetBeanName(method), annotations);
            return (MessageHandler) target;
        }
    } else {
        serviceActivator = new ServiceActivatingHandler(bean, method);
    }
    String requiresReply = MessagingAnnotationUtils.resolveAttribute(annotations, "requiresReply", String.class);
    if (StringUtils.hasText(requiresReply)) {
        serviceActivator.setRequiresReply(Boolean.parseBoolean(this.beanFactory.resolveEmbeddedValue(requiresReply)));
    }
    String isAsync = MessagingAnnotationUtils.resolveAttribute(annotations, "async", String.class);
    if (StringUtils.hasText(isAsync)) {
        serviceActivator.setAsync(Boolean.parseBoolean(this.beanFactory.resolveEmbeddedValue(isAsync)));
    }
    this.setOutputChannelIfPresent(annotations, serviceActivator);
    return serviceActivator;
}