/*
* 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.
List;
import org.dom4j.
Attribute;
import org.dom4j.
DocumentFactory;
import org.dom4j.
Element;
import org.dom4j.
Namespace;
import org.dom4j.
QName;
import org.dom4j.tree.
DefaultElement;
import org.dom4j.tree.
NamespaceStack;
import org.xml.sax.
Attributes;
/**
* <p>
* <code>BeanElement</code> uses a Java Bean to store its attributes.
* </p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
* @version $Revision: 1.15 $
*/
public class
BeanElement extends
DefaultElement {
/** The <code>DocumentFactory</code> instance used by default */
private static final
DocumentFactory DOCUMENT_FACTORY =
BeanDocumentFactory
.
getInstance();
/** The JavaBean which defines my attributes */
private
Object bean;
public
BeanElement(
String name,
Object bean) {
this(
DOCUMENT_FACTORY.
createQName(
name),
bean);
}
public
BeanElement(
String name,
Namespace namespace,
Object bean) {
this(
DOCUMENT_FACTORY.
createQName(
name,
namespace),
bean);
}
public
BeanElement(
QName qname,
Object bean) {
super(
qname);
this.
bean =
bean;
}
public
BeanElement(
QName qname) {
super(
qname);
}
/**
* DOCUMENT ME!
*
* @return the JavaBean associated with this element
*/
public
Object getData() {
return
bean;
}
public void
setData(
Object data) {
this.
bean =
data;
// force the attributeList to be lazily
// created next time an attribute related
// method is called again.
setAttributeList(null);
}
public
Attribute attribute(
String name) {
return
getBeanAttributeList().
attribute(
name);
}
public
Attribute attribute(
QName qname) {
return
getBeanAttributeList().
attribute(
qname);
}
public
Element addAttribute(
String name,
String value) {
Attribute attribute =
attribute(
name);
if (
attribute != null) {
attribute.
setValue(
value);
}
return this;
}
public
Element addAttribute(
QName qName,
String value) {
Attribute attribute =
attribute(
qName);
if (
attribute != null) {
attribute.
setValue(
value);
}
return this;
}
public void
setAttributes(
List attributes) {
throw new
UnsupportedOperationException("Not implemented yet.");
}
// Method overridden from AbstractElement
public void
setAttributes(
Attributes attributes,
NamespaceStack namespaceStack, boolean
noNamespaceAttributes) {
String className =
attributes.
getValue("class");
if (
className != null) {
try {
Class beanClass =
Class.
forName(
className, true,
BeanElement.class.
getClassLoader());
this.
setData(
beanClass.
newInstance());
for (int
i = 0;
i <
attributes.
getLength();
i++) {
String attributeName =
attributes.
getLocalName(
i);
if (!"class".
equalsIgnoreCase(
attributeName)) {
addAttribute(
attributeName,
attributes.
getValue(
i));
}
}
} catch (
Exception ex) {
// What to do here?
((
BeanDocumentFactory) this.
getDocumentFactory())
.
handleException(
ex);
}
} else {
super.setAttributes(
attributes,
namespaceStack,
noNamespaceAttributes);
}
}
// Implementation methods
// -------------------------------------------------------------------------
protected
DocumentFactory getDocumentFactory() {
return
DOCUMENT_FACTORY;
}
protected
BeanAttributeList getBeanAttributeList() {
return (
BeanAttributeList)
attributeList();
}
/**
* A Factory Method pattern which lazily creates a List implementation used
* to store content
*
* @return DOCUMENT ME!
*/
protected
List createAttributeList() {
return new
BeanAttributeList(this);
}
protected
List createAttributeList(int
size) {
return new
BeanAttributeList(this);
}
}
/*
* 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.
*/