Example usage for org.springframework.integration.config.annotation MethodAnnotationPostProcessor postProcess

Introduction

In this page you can find the example usage for org.springframework.integration.config.annotation MethodAnnotationPostProcessor postProcess.

Prototype

Object postProcess(Object bean, String beanName, Method method, List<Annotation> annotations);

Source Link

Usage

From source file:org.springframework.integration.config.annotation.MessagingAnnotationPostProcessor.java

public Object postProcessAfterInitialization(final Object bean, final String beanName) throws BeansException {
    Assert.notNull(this.beanFactory, "BeanFactory must not be null");
    final Class<?> beanClass = this.getBeanClass(bean);
    if (!this.isStereotype(beanClass)) {
        // we only post-process stereotype components
        return bean;
    }//from   w w  w.j  a v a  2  s.c o m
    ReflectionUtils.doWithMethods(beanClass, new ReflectionUtils.MethodCallback() {
        @SuppressWarnings({ "unchecked", "rawtypes" })
        public void doWith(Method method) throws IllegalArgumentException, IllegalAccessException {
            Annotation[] annotations = AnnotationUtils.getAnnotations(method);
            for (Annotation annotation : annotations) {
                MethodAnnotationPostProcessor postProcessor = postProcessors.get(annotation.annotationType());
                if (postProcessor != null && shouldCreateEndpoint(annotation)) {
                    Object result = postProcessor.postProcess(bean, beanName, method, annotation);
                    if (result != null && result instanceof AbstractEndpoint) {
                        String endpointBeanName = generateBeanName(beanName, method,
                                annotation.annotationType());
                        if (result instanceof BeanNameAware) {
                            ((BeanNameAware) result).setBeanName(endpointBeanName);
                        }
                        beanFactory.registerSingleton(endpointBeanName, result);
                        if (result instanceof BeanFactoryAware) {
                            ((BeanFactoryAware) result).setBeanFactory(beanFactory);
                        }
                        if (result instanceof InitializingBean) {
                            try {
                                ((InitializingBean) result).afterPropertiesSet();
                            } catch (Exception e) {
                                throw new BeanInitializationException(
                                        "failed to initialize annotated component", e);
                            }
                        }
                        if (result instanceof Lifecycle) {
                            lifecycles.add((Lifecycle) result);
                            if (result instanceof SmartLifecycle && ((SmartLifecycle) result).isAutoStartup()) {
                                ((SmartLifecycle) result).start();
                            }
                        }
                        if (result instanceof ApplicationListener) {
                            listeners.add((ApplicationListener) result);
                        }
                    }
                }
            }
        }
    });
    return bean;
}

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