/*
* 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.util.
Assert;
import org.springframework.util.
ObjectUtils;
/**
* Holder for a key-value style attribute that is part of a bean definition.
* Keeps track of the definition source in addition to the key-value pair.
*
* @author Juergen Hoeller
* @since 2.5
*/
public class
BeanMetadataAttribute implements
BeanMetadataElement {
private final
String name;
private final
Object value;
private
Object source;
/**
* Create a new AttributeValue instance.
* @param name the name of the attribute (never {@code null})
* @param value the value of the attribute (possibly before type conversion)
*/
public
BeanMetadataAttribute(
String name,
Object value) {
Assert.
notNull(
name, "Name must not be null");
this.
name =
name;
this.
value =
value;
}
/**
* Return the name of the attribute.
*/
public
String getName() {
return this.
name;
}
/**
* Return the value of the attribute.
*/
public
Object getValue() {
return this.
value;
}
/**
* 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;
}
@
Override
public boolean
equals(
Object other) {
if (this ==
other) {
return true;
}
if (!(
other instanceof
BeanMetadataAttribute)) {
return false;
}
BeanMetadataAttribute otherMa = (
BeanMetadataAttribute)
other;
return (this.
name.
equals(
otherMa.
name) &&
ObjectUtils.
nullSafeEquals(this.
value,
otherMa.
value) &&
ObjectUtils.
nullSafeEquals(this.
source,
otherMa.
source));
}
@
Override
public int
hashCode() {
return this.
name.
hashCode() * 29 +
ObjectUtils.
nullSafeHashCode(this.
value);
}
@
Override
public
String toString() {
return "metadata attribute '" + this.
name + "'";
}
}