/*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*/
package org.dom4j.bean;
import java.util.
AbstractList;
import org.dom4j.
Attribute;
import org.dom4j.
QName;
/**
* <p>
* <code>BeanAttributeList</code> implements a list of Attributes which are
* the properties of a JavaBean.
* </p>
*
* @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
* @version $Revision: 1.9 $
*/
public class
BeanAttributeList extends
AbstractList {
/** The BeanElement that this */
private
BeanElement parent;
/** The BeanElement that this */
private
BeanMetaData beanMetaData;
/** The attributes */
private
BeanAttribute[]
attributes;
public
BeanAttributeList(
BeanElement parent,
BeanMetaData beanMetaData) {
this.
parent =
parent;
this.
beanMetaData =
beanMetaData;
this.
attributes = new
BeanAttribute[
beanMetaData.
attributeCount()];
}
public
BeanAttributeList(
BeanElement parent) {
this.
parent =
parent;
Object data =
parent.
getData();
Class beanClass = (
data != null) ?
data.
getClass() : null;
this.
beanMetaData =
BeanMetaData.
get(
beanClass);
this.
attributes = new
BeanAttribute[
beanMetaData.
attributeCount()];
}
public
Attribute attribute(
String name) {
int
index =
beanMetaData.
getIndex(
name);
return
attribute(
index);
}
public
Attribute attribute(
QName qname) {
int
index =
beanMetaData.
getIndex(
qname);
return
attribute(
index);
}
public
BeanAttribute attribute(int
index) {
if ((
index >= 0) && (
index <=
attributes.length)) {
BeanAttribute attribute =
attributes[
index];
if (
attribute == null) {
attribute =
createAttribute(
parent,
index);
attributes[
index] =
attribute;
}
return
attribute;
}
return null;
}
public
BeanElement getParent() {
return
parent;
}
public
QName getQName(int
index) {
return
beanMetaData.
getQName(
index);
}
public
Object getData(int
index) {
return
beanMetaData.
getData(
index,
parent.
getData());
}
public void
setData(int
index,
Object data) {
beanMetaData.
setData(
index,
parent.
getData(),
data);
}
// List interface
// -------------------------------------------------------------------------
public int
size() {
return
attributes.length;
}
public
Object get(int
index) {
BeanAttribute attribute =
attributes[
index];
if (
attribute == null) {
attribute =
createAttribute(
parent,
index);
attributes[
index] =
attribute;
}
return
attribute;
}
public boolean
add(
Object object) {
throw new
UnsupportedOperationException("add(Object) unsupported");
}
public void
add(int
index,
Object object) {
throw new
UnsupportedOperationException("add(int,Object) unsupported");
}
public
Object set(int
index,
Object object) {
throw new
UnsupportedOperationException("set(int,Object) unsupported");
}
public boolean
remove(
Object object) {
return false;
}
public
Object remove(int
index) {
BeanAttribute attribute = (
BeanAttribute)
get(
index);
Object oldValue =
attribute.
getValue();
attribute.
setValue(null);
return
oldValue;
}
public void
clear() {
for (int
i = 0,
size =
attributes.length;
i <
size;
i++) {
BeanAttribute attribute =
attributes[
i];
if (
attribute != null) {
attribute.
setValue(null);
}
}
}
// Implementation methods
// -------------------------------------------------------------------------
protected
BeanAttribute createAttribute(
BeanElement element, int
index) {
return new
BeanAttribute(this,
index);
}
}
/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "DOM4J" must not be used to endorse or promote products derived
* from this Software without prior written permission of MetaStuff, Ltd. For
* written permission, please contact dom4j-info@metastuff.com.
*
* 4. Products derived from this Software may not be called "DOM4J" nor may
* "DOM4J" appear in their names without prior written permission of MetaStuff,
* Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
*
* 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
*
* THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*/