/*
* Copyright 2002-2009 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.type;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Map;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.util.Assert;
/**
* {@link MethodMetadata} implementation that uses standard reflection
* to introspect a given <code>Method</code>.
*
* @author Juergen Hoeller
* @author Mark Pollack
* @author Chris Beams
* @since 3.0
*/
public class StandardMethodMetadata implements MethodMetadata {
private final Method introspectedMethod;
/**
* Create a new StandardMethodMetadata wrapper for the given Method.
* @param introspectedMethod the Method to introspect
*/
public StandardMethodMetadata(Method introspectedMethod) {
Assert.notNull(introspectedMethod, "Method must not be null");
this.introspectedMethod = introspectedMethod;
}
/**
* Return the underlying Method.
*/
public final Method getIntrospectedMethod() {
return this.introspectedMethod;
}
public String getMethodName() {
return this.introspectedMethod.getName();
}
public String getDeclaringClassName() {
return this.introspectedMethod.getDeclaringClass().getName();
}
public boolean isStatic() {
return Modifier.isStatic(this.introspectedMethod.getModifiers());
}
public boolean isFinal() {
return Modifier.isFinal(this.introspectedMethod.getModifiers());
}
public boolean isOverridable() {
return (!isStatic() && !isFinal() && !Modifier.isPrivate(this.introspectedMethod.getModifiers()));
}
public boolean isAnnotated(String annotationType) {
Annotation[] anns = this.introspectedMethod.getAnnotations();
for (Annotation ann : anns) {
if (ann.annotationType().getName().equals(annotationType)) {
return true;
}
for (Annotation metaAnn : ann.annotationType().getAnnotations()) {
if (metaAnn.annotationType().getName().equals(annotationType)) {
return true;
}
}
}
return false;
}
public Map<String, Object> getAnnotationAttributes(String annotationType) {
Annotation[] anns = this.introspectedMethod.getAnnotations();
for (Annotation ann : anns) {
if (ann.annotationType().getName().equals(annotationType)) {
return AnnotationUtils.getAnnotationAttributes(ann, true);
}
for (Annotation metaAnn : ann.annotationType().getAnnotations()) {
if (metaAnn.annotationType().getName().equals(annotationType)) {
return AnnotationUtils.getAnnotationAttributes(metaAnn, true);
}
}
}
return null;
}
}
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