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Synthesize annotation from defaults

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This commit introduces a convenience method in AnnotationUtils for
synthesizing an annotation from its default attribute values.

TransactionalTestExecutionListener has been refactored to invoke this
new convenience method.

Issue: SPR-13087
This commit is contained in:
Sam Brannen
2015-06-20 18:27:36 +02:00
parent a0040245ca
commit d0c0d9fc5a
3 changed files with 28 additions and 8 deletions
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22
spring-core/src/main/java/org/springframework/core/annotation/AnnotationUtils.java
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@@ -1207,6 +1207,7 @@ public abstract class AnnotationUtils {
* {@code @AliasFor} is detected
* @since 4.2
* @see #synthesizeAnnotation(Map, Class, AnnotatedElement)
* @see #synthesizeAnnotation(Class)
*/
@SuppressWarnings("unchecked")
public static <A extends Annotation> A synthesizeAnnotation(A annotation, AnnotatedElement annotatedElement) {
@@ -1256,6 +1257,7 @@ public abstract class AnnotationUtils {
* {@code @AliasFor} is detected
* @since 4.2
* @see #synthesizeAnnotation(Annotation, AnnotatedElement)
* @see #synthesizeAnnotation(Class)
*/
@SuppressWarnings("unchecked")
public static <A extends Annotation> A synthesizeAnnotation(Map<String, Object> attributes,
@@ -1275,6 +1277,26 @@ public abstract class AnnotationUtils {
return synthesizedAnnotation;
}
/**
* <em>Synthesize</em> an annotation from its default attributes values.
* <p>This method simply delegates to
* {@link #synthesizeAnnotation(Map, Class, AnnotatedElement)},
* supplying an empty map for the source attribute values and {@code null}
* for the {@link AnnotatedElement}.
*
* @param annotationType the type of annotation to synthesize; never {@code null}
* @return the synthesized annotation
* @throws IllegalArgumentException if a required attribute is missing
* @throws AnnotationConfigurationException if invalid configuration of
* {@code @AliasFor} is detected
* @since 4.2
* @see #synthesizeAnnotation(Map, Class, AnnotatedElement)
* @see #synthesizeAnnotation(Annotation, AnnotatedElement)
*/
public static <A extends Annotation> A synthesizeAnnotation(Class<A> annotationType) {
return synthesizeAnnotation(Collections.<String, Object> emptyMap(), annotationType, null);
}
/**
* <em>Synthesize</em> the supplied array of {@code annotations} by
* creating a new array of the same size and type and populating it