/**
* Find a {@link Annotation} of {@code annotationType} on the specified
* bean, traversing its interfaces and super classes if no annotation can be
* found on the given class itself, as well as checking its raw bean class
* if not found on the exposed bean reference (e.g. in case of a proxy).
*/
@Override
public <A extends Annotation> A findAnnotationOnBean(String beanName, Class<A> annotationType)
throws NoSuchBeanDefinitionException{
A ann = null;
Class<?> beanType = getType(beanName);
if (beanType != null) {
ann = AnnotationUtils.findAnnotation(beanType, annotationType);
}
if (ann == null && containsBeanDefinition(beanName)) {
BeanDefinition bd = getMergedBeanDefinition(beanName);
if (bd instanceof AbstractBeanDefinition) {
AbstractBeanDefinition abd = (AbstractBeanDefinition) bd;
if (abd.hasBeanClass()) {
ann = AnnotationUtils.findAnnotation(abd.getBeanClass(), annotationType);
}
}
}
return ann;
}
DefaultListableBeanFactory.java 文件源码
java
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