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Polishing annotation processing internals

This commit is contained in:
Sam Brannen 2023-08-12 15:41:48 +02:00
parent 2ede74fa9c
commit a33b14338f
2 changed files with 14 additions and 18 deletions
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27
spring-context/src/main/java/org/springframework/context/annotation/AnnotationConfigUtils.java
View File

@ -16,6 +16,7 @@
package org.springframework.context.annotation;
import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Map;
@ -271,32 +272,26 @@ public abstract class AnnotationConfigUtils {
}
@Nullable
static AnnotationAttributes attributesFor(AnnotatedTypeMetadata metadata, Class<?> annotationClass) {
return attributesFor(metadata, annotationClass.getName());
static AnnotationAttributes attributesFor(AnnotatedTypeMetadata metadata, Class<?> annotationType) {
return attributesFor(metadata, annotationType.getName());
}
@Nullable
static AnnotationAttributes attributesFor(AnnotatedTypeMetadata metadata, String annotationClassName) {
return AnnotationAttributes.fromMap(metadata.getAnnotationAttributes(annotationClassName));
}
static Set<AnnotationAttributes> attributesForRepeatable(AnnotationMetadata metadata,
Class<?> containerClass, Class<?> annotationClass) {
return attributesForRepeatable(metadata, containerClass.getName(), annotationClass.getName());
static AnnotationAttributes attributesFor(AnnotatedTypeMetadata metadata, String annotationTypeName) {
return AnnotationAttributes.fromMap(metadata.getAnnotationAttributes(annotationTypeName));
}
@SuppressWarnings("unchecked")
static Set<AnnotationAttributes> attributesForRepeatable(
AnnotationMetadata metadata, String containerClassName, String annotationClassName) {
static Set<AnnotationAttributes> attributesForRepeatable(AnnotationMetadata metadata,
Class<? extends Annotation> containerType, Class<? extends Annotation> annotationType) {
Set<AnnotationAttributes> result = new LinkedHashSet<>();
// Direct annotation present?
addAttributesIfNotNull(result, metadata.getAnnotationAttributes(annotationClassName));
// Direct annotation present or meta-present?
addAttributesIfNotNull(result, metadata.getAnnotationAttributes(annotationType.getName()));
// Container annotation present?
Map<String, Object> container = metadata.getAnnotationAttributes(containerClassName);
// Container annotation present or meta-present?
Map<String, Object> container = metadata.getAnnotationAttributes(containerType.getName());
if (container != null && container.containsKey("value")) {
for (Map<String, Object> containedAttributes : (Map<String, Object>[]) container.get("value")) {
addAttributesIfNotNull(result, containedAttributes);

5
spring-core/src/main/java/org/springframework/core/type/AnnotatedTypeMetadata.java
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@ -31,7 +31,8 @@ import org.springframework.util.MultiValueMap;
/**
* Defines access to the annotations of a specific type ({@link AnnotationMetadata class}
* or {@link MethodMetadata method}), in a form that does not necessarily require
* class loading.
* class loading of the types being inspected. Note, however, that classes for
* encountered annotations will be loaded.
*
* @author Juergen Hoeller
* @author Mark Fisher
@ -48,7 +49,7 @@ public interface AnnotatedTypeMetadata {
/**
* Get annotation details based on the direct annotations and meta-annotations
* of the underlying element.
* @return merged annotations based on the direct annotations
* @return merged annotations based on the direct annotations and meta-annotations
* @since 5.2
*/
MergedAnnotations getAnnotations();