org.springframework.core.annotation

Interface AnnotationAttributeExtractor<S>

Type Parameters:

S - the type of source supported by this extractor

All Known Implementing Classes:

AbstractAliasAwareAnnotationAttributeExtractor, DefaultAnnotationAttributeExtractor, MapAnnotationAttributeExtractor

interface AnnotationAttributeExtractor<S>

An AnnotationAttributeExtractor is responsible for extracting annotation attribute values from an underlying source such as an Annotation or a Map.

Since:

4.2

Author:

Sam Brannen

See Also:

SynthesizedAnnotationInvocationHandler

Method Summary

Modifier and Type	Method and Description
java.lang.reflect.AnnotatedElement	getAnnotatedElement() Get the element that is annotated with an annotation of the annotation type supported by this extractor.
java.lang.Class<? extends java.lang.annotation.Annotation>	getAnnotationType() Get the type of annotation that this extractor extracts attribute values for.
java.lang.Object	getAttributeValue(java.lang.reflect.Method attributeMethod) Get the attribute value from the underlying source that corresponds to the supplied attribute method.
S	getSource() Get the underlying source of annotation attributes.

Method Detail

getAnnotationType

java.lang.Class<? extends java.lang.annotation.Annotation> getAnnotationType()

Get the type of annotation that this extractor extracts attribute values for.

getAnnotatedElement

java.lang.reflect.AnnotatedElement getAnnotatedElement()

Get the element that is annotated with an annotation of the annotation type supported by this extractor.

Returns:

the annotated element, or null if unknown

getSource

S getSource()

Get the underlying source of annotation attributes.

getAttributeValue

java.lang.Object getAttributeValue(java.lang.reflect.Method attributeMethod)

Get the attribute value from the underlying source that corresponds to the supplied attribute method.

Parameters:

attributeMethod - an attribute method from the annotation type supported by this extractor

Returns:

the value of the annotation attribute