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/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.annotation;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import org.springframework.util.ReflectionUtils;
/**
* Default implementation of the {@link AnnotationAttributeExtractor} strategy
* that is backed by an {@link Annotation}.
*
* @author Sam Brannen
* @since 4.2
* @see Annotation
* @see AliasFor
* @see AbstractAliasAwareAnnotationAttributeExtractor
* @see MapAnnotationAttributeExtractor
* @see AnnotationUtils#synthesizeAnnotation
*/
class DefaultAnnotationAttributeExtractor extends AbstractAliasAwareAnnotationAttributeExtractor<Annotation> {
/**
* Construct a new {@code DefaultAnnotationAttributeExtractor}.
* @param annotation the annotation to synthesize; never {@code null}
* @param annotatedElement the element that is annotated with the supplied
* annotation; may be {@code null} if unknown
*/
DefaultAnnotationAttributeExtractor(Annotation annotation, Object annotatedElement) {
super(annotation.annotationType(), annotatedElement, annotation);
}
@Override
protected Object getRawAttributeValue(Method attributeMethod) {
ReflectionUtils.makeAccessible(attributeMethod);
return ReflectionUtils.invokeMethod(attributeMethod, getSource());
}
@Override
protected Object getRawAttributeValue(String attributeName) {
Method attributeMethod = ReflectionUtils.findMethod(getAnnotationType(), attributeName);
return getRawAttributeValue(attributeMethod);
}
}
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