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Code Issues Actions 6 Packages Projects Releases Wiki Activity

Migrate DefaultListableBeanFactory to MergedAnnotations 

Closes gh-22584
This commit is contained in:
Phillip Webb 2019-03-08 17:09:13 -08:00 committed by Juergen Hoeller
parent 857371ba67
commit 50c257794f
1 changed files with 19 additions and 6 deletions
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25
spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java
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@ -72,7 +72,9 @@ import org.springframework.beans.factory.config.DependencyDescriptor;
import org.springframework.beans.factory.config.NamedBeanHolder;
import org.springframework.core.OrderComparator;
import org.springframework.core.ResolvableType;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.annotation.MergedAnnotation;
import org.springframework.core.annotation.MergedAnnotations;
import org.springframework.core.annotation.MergedAnnotations.SearchStrategy;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
@ -666,22 +668,33 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
@Nullable
public <A extends Annotation> A findAnnotationOnBean(String beanName, Class<A> annotationType)
throws NoSuchBeanDefinitionException {
return findMergedAnnotationOnBean(beanName, annotationType).synthesize(
MergedAnnotation::isPresent).orElse(null);
}
A ann = null;
private <A extends Annotation> MergedAnnotation<A> findMergedAnnotationOnBean(
String beanName, Class<A> annotationType) {
Class<?> beanType = getType(beanName);
if (beanType != null) {
ann = AnnotationUtils.findAnnotation(beanType, annotationType);
MergedAnnotation<A> annotation = MergedAnnotations.from(beanType,
SearchStrategy.EXHAUSTIVE).get(annotationType);
if (annotation.isPresent()) {
return annotation;
}
}
if (ann == null && containsBeanDefinition(beanName)) {
if (containsBeanDefinition(beanName)) {
BeanDefinition bd = getMergedBeanDefinition(beanName);
if (bd instanceof AbstractBeanDefinition) {
AbstractBeanDefinition abd = (AbstractBeanDefinition) bd;
if (abd.hasBeanClass()) {
ann = AnnotationUtils.findAnnotation(abd.getBeanClass(), annotationType);
Class<?> beanClass = abd.getBeanClass();
if (beanClass != beanType) {
return MergedAnnotations.from(beanClass, SearchStrategy.EXHAUSTIVE).get(annotationType);
}
}
}
}
return ann;
return MergedAnnotation.missing();
}