Clarified getAllAnnotationAttributes behavior

Issue: SPR-12473
This commit is contained in:
Juergen Hoeller 2014-11-26 15:35:24 +01:00
parent 58bea23f1d
commit 5ac868036f
2 changed files with 31 additions and 22 deletions

View File

@ -38,8 +38,8 @@ import org.springframework.util.MultiValueMap;
public interface AnnotatedTypeMetadata {
/**
* Determine whether the underlying type has an annotation or
* meta-annotation of the given type defined.
* Determine whether the underlying element has an annotation or meta-annotation
* of the given type defined.
* <p>If this method returns {@code true}, then
* {@link #getAnnotationAttributes} will return a non-null Map.
* @param annotationType the annotation type to look for
@ -48,9 +48,9 @@ public interface AnnotatedTypeMetadata {
boolean isAnnotated(String annotationType);
/**
* Retrieve the attributes of the annotation of the given type,
* if any (i.e. if defined on the underlying class, as direct
* annotation or as meta-annotation).
* Retrieve the attributes of the annotation of the given type, if any (i.e. if
* defined on the underlying element, as direct annotation or meta-annotation),
* also taking attribute overrides on composed annotations into account.
* @param annotationType the annotation type to look for
* @return a Map of attributes, with the attribute name as key (e.g. "value")
* and the defined attribute value as Map value. This return value will be
@ -59,9 +59,9 @@ public interface AnnotatedTypeMetadata {
Map<String, Object> getAnnotationAttributes(String annotationType);
/**
* Retrieve the attributes of the annotation of the given type,
* if any (i.e. if defined on the underlying class, as direct
* annotation or as meta-annotation).
* Retrieve the attributes of the annotation of the given type, if any (i.e. if
* defined on the underlying element, as direct annotation or meta-annotation),
* also taking attribute overrides on composed annotations into account.
* @param annotationType the annotation type to look for
* @param classValuesAsString whether to convert class references to String
* class names for exposure as values in the returned Map, instead of Class
@ -74,8 +74,8 @@ public interface AnnotatedTypeMetadata {
/**
* Retrieve all attributes of all annotations of the given type, if any (i.e. if
* defined on the underlying type ({@link AnnotationMetadata class} or
* {@link MethodMetadata method}), as direct annotation or as meta-annotation).
* defined on the underlying element, as direct annotation or meta-annotation).
* Note that this variant does <i>not</i> take attribute overrides into account.
* @param annotationType the annotation type to look for
* @return a MultiMap of attributes, with the attribute name as key (e.g. "value")
* and a list of the defined attribute values as Map value. This return value will
@ -86,8 +86,8 @@ public interface AnnotatedTypeMetadata {
/**
* Retrieve all attributes of all annotations of the given type, if any (i.e. if
* defined on the underlying type ({@link AnnotationMetadata class} or
* {@link MethodMetadata method}), as direct annotation or as meta-annotation).
* defined on the underlying element, as direct annotation or meta-annotation).
* Note that this variant does <i>not</i> take attribute overrides into account.
* @param annotationType the annotation type to look for
* @param classValuesAsString whether to convert class references to String
* @return a MultiMap of attributes, with the attribute name as key (e.g. "value")

View File

@ -164,6 +164,7 @@ public class AnnotationMetadataTests {
assertMultipleAnnotationsWithIdenticalAttributeNames(metadata);
}
private void assertMultipleAnnotationsWithIdenticalAttributeNames(AnnotationMetadata metadata) {
AnnotationAttributes attributes1 = (AnnotationAttributes) metadata.getAnnotationAttributes(
NamedAnnotation1.class.getName(), false);
@ -211,6 +212,8 @@ public class AnnotationMetadataTests {
assertEquals("direct", method.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"));
List<Object> allMeta = method.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(new HashSet<Object>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
allMeta = method.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("additional");
assertThat(new HashSet<Object>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct")))));
assertTrue(metadata.isAnnotated(IsAnnotatedAnnotation.class.getName()));
@ -251,6 +254,8 @@ public class AnnotationMetadataTests {
assertEquals("direct", metadata.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"));
allMeta = metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(new HashSet<Object>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
allMeta = metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("additional");
assertThat(new HashSet<Object>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct")))));
}
{ // perform tests with classValuesAsString = true
AnnotationAttributes specialAttrs = (AnnotationAttributes) metadata.getAnnotationAttributes(
@ -341,14 +346,16 @@ public class AnnotationMetadataTests {
NestedAnno[] optionalArray() default { @NestedAnno(value = "optional", anEnum = SomeEnum.DEFAULT, classArray = Void.class) };
}
@Target({ ElementType.TYPE, ElementType.METHOD })
@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
public @interface DirectAnnotation {
String value();
String additional() default "direct";
}
@Target({ ElementType.TYPE })
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface IsAnnotatedAnnotation {
}
@ -358,9 +365,11 @@ public class AnnotationMetadataTests {
@DirectAnnotation("meta")
@IsAnnotatedAnnotation
public @interface MetaAnnotation {
String additional() default "meta";
}
@Target({ ElementType.TYPE, ElementType.METHOD })
@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@MetaAnnotation
public @interface MetaMetaAnnotation {
@ -380,17 +389,18 @@ public class AnnotationMetadataTests {
},
BAR {
/* Do not delete! This subclassing is intentional. */
};
}
}
@Component("myName")
@Scope("myScope")
@SpecialAttr(clazz = String.class, state = Thread.State.NEW, nestedAnno = @NestedAnno(value = "na", anEnum = SomeEnum.LABEL1, classArray = { String.class }), nestedAnnoArray = {
@NestedAnno, @NestedAnno(value = "na1", anEnum = SomeEnum.LABEL2, classArray = { Number.class }) })
@SuppressWarnings({ "serial", "unused" })
@SpecialAttr(clazz = String.class, state = Thread.State.NEW,
nestedAnno = @NestedAnno(value = "na", anEnum = SomeEnum.LABEL1, classArray = {String.class}),
nestedAnnoArray = {@NestedAnno, @NestedAnno(value = "na1", anEnum = SomeEnum.LABEL2, classArray = {Number.class})})
@SuppressWarnings({"serial", "unused"})
@DirectAnnotation("direct")
@MetaMetaAnnotation
@EnumSubclasses({ SubclassEnum.FOO, SubclassEnum.BAR })
@EnumSubclasses({SubclassEnum.FOO, SubclassEnum.BAR})
private static class AnnotatedComponent implements Serializable {
@TestAutowired
@ -406,9 +416,8 @@ public class AnnotationMetadataTests {
}
}
@SuppressWarnings({ "serial" })
@SuppressWarnings("serial")
private static class AnnotatedComponentSubClass extends AnnotatedComponent {
}
@Target(ElementType.TYPE)