/*
* Copyright 2002-2008 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.beans.annotation;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import org.springframework.beans.BeanWrapper;
import org.springframework.beans.PropertyAccessorFactory;
import org.springframework.util.ReflectionUtils;
/**
* General utility methods for working with annotations in JavaBeans style.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @since 2.0
*/
public abstract class AnnotationBeanUtils {
/**
* Copy the properties of the supplied {@link Annotation} to the supplied target bean.
* Any properties defined in <code>excludedProperties</code> will not be copied.
* @see org.springframework.beans.BeanWrapper
*/
public static void copyPropertiesToBean(Annotation ann, Object bean, String... excludedProperties) {
Set<String> excluded = new HashSet<String>(Arrays.asList(excludedProperties));
Method[] annotationProperties = ann.annotationType().getDeclaredMethods();
BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(bean);
for (Method annotationProperty : annotationProperties) {
String propertyName = annotationProperty.getName();
if ((!excluded.contains(propertyName)) && bw.isWritableProperty(propertyName)) {
Object value = ReflectionUtils.invokeMethod(annotationProperty, ann);
bw.setPropertyValue(propertyName, value);
}
}
}
}