/*
* Copyright 2002-2012 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;
import org.springframework.core.
AttributeAccessorSupport;
/**
* Extension of {@link org.springframework.core.AttributeAccessorSupport},
* holding attributes as {@link BeanMetadataAttribute} objects in order
* to keep track of the definition source.
*
* @author Juergen Hoeller
* @since 2.5
*/
@
SuppressWarnings("serial")
public class
BeanMetadataAttributeAccessor extends
AttributeAccessorSupport implements
BeanMetadataElement {
private
Object source;
/**
* Set the configuration source {@code Object} for this metadata element.
* <p>The exact type of the object will depend on the configuration mechanism used.
*/
public void
setSource(
Object source) {
this.
source =
source;
}
@
Override
public
Object getSource() {
return this.
source;
}
/**
* Add the given BeanMetadataAttribute to this accessor's set of attributes.
* @param attribute the BeanMetadataAttribute object to register
*/
public void
addMetadataAttribute(
BeanMetadataAttribute attribute) {
super.setAttribute(
attribute.
getName(),
attribute);
}
/**
* Look up the given BeanMetadataAttribute in this accessor's set of attributes.
* @param name the name of the attribute
* @return the corresponding BeanMetadataAttribute object,
* or {@code null} if no such attribute defined
*/
public
BeanMetadataAttribute getMetadataAttribute(
String name) {
return (
BeanMetadataAttribute) super.getAttribute(
name);
}
@
Override
public void
setAttribute(
String name,
Object value) {
super.setAttribute(
name, new
BeanMetadataAttribute(
name,
value));
}
@
Override
public
Object getAttribute(
String name) {
BeanMetadataAttribute attribute = (
BeanMetadataAttribute) super.getAttribute(
name);
return (
attribute != null ?
attribute.
getValue() : null);
}
@
Override
public
Object removeAttribute(
String name) {
BeanMetadataAttribute attribute = (
BeanMetadataAttribute) super.removeAttribute(
name);
return (
attribute != null ?
attribute.
getValue() : null);
}
}