public class MyListenerProcessor implements BeanPostProcessor {

    @Override

    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {

        return bean;

    }

    @Override

    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {

        Method[] methods = ReflectionUtils.getAllDeclaredMethods(bean.getClass());

        if (methods != null) {

            for (Method method : methods) {

                MyListener myListener = AnnotationUtils.findAnnotation(method, MyListener.class);

                // process

            }

        }

        return bean;

    }

}