| /* | ||
| * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. | ||
| * | ||
| * This software is open source. | ||
| * See the bottom of this file for the licence. | ||
| * | ||
| * $Id: BeanElement.java,v 1.13 2004/06/25 08:03:34 maartenc Exp $ | ||
| */ | ||
| package org.dom4j.bean; | ||
| import java.util.List; | ||
| import org.xml.sax.Attributes; | ||
| 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; | ||
| /** <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: 1.13 $ | ||
| */ | ||
| 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) { | ||
| 0x | this( DOCUMENT_FACTORY.createQName(name), bean ); | |
| 0x | } | |
| public BeanElement(String name,Namespace namespace, Object bean) { | ||
| 0x | this( DOCUMENT_FACTORY.createQName(name, namespace), bean ); | |
| 0x | } | |
| public BeanElement(QName qname, Object bean) { | ||
| 0x | super( qname); | |
| 0x | this.bean = bean; | |
| 0x | } | |
| public BeanElement(QName qname) { | ||
| 0x | super( qname); | |
| 0x | } | |
| /** @return the JavaBean associated with this element | ||
| */ | ||
| public Object getData() { | ||
| 0x | return bean; | |
| } | ||
| public void setData(Object bean) { | ||
| 0x | this.bean = bean; | |
| // force the attributeList to be lazily | ||
| // created next time an attribute related | ||
| // method is called again. | ||
| 0x | setAttributeList(null); | |
| 0x | } | |
| public Attribute attribute(String name) { | ||
| 0x | return getBeanAttributeList().attribute(name); | |
| } | ||
| public Attribute attribute(QName qname) { | ||
| 0x | return getBeanAttributeList().attribute(qname); | |
| } | ||
| public Element addAttribute(String name, String value) { | ||
| 0x | Attribute attribute = attribute(name); | |
| 0/2 0x | if (attribute != null ) { | |
| 0x | attribute.setValue(value); | |
| } | ||
| 0x | return this; | |
| } | ||
| public Element addAttribute(QName qName, String value) { | ||
| 0x | Attribute attribute = attribute(qName); | |
| 0/2 0x | if (attribute != null ) { | |
| 0x | attribute.setValue(value); | |
| } | ||
| 0x | return this; | |
| } | ||
| public void setAttributes(List attributes) { | ||
| 0x | throw new UnsupportedOperationException( "setAttributes(List) is not supported yet!" ); | |
| } | ||
| //Method overridden from AbstractElement | ||
| public void setAttributes(Attributes attributes, | ||
| NamespaceStack namespaceStack, | ||
| boolean noNamespaceAttributes) { | ||
| 0x | String className = attributes.getValue("class"); | |
| 0/2 0x | if (className != null) { | |
| try { | ||
| 0x | Class beanClass = Class.forName(className, | |
| true, | ||
| BeanElement.class.getClassLoader()); | ||
| 0x | this.setData(beanClass.newInstance()); | |
| 0/2 0x | for( int i=0; i<attributes.getLength(); i++){ | |
| 0x | String attributeName = attributes.getLocalName(i); | |
| 0/2 0x | if( !"class".equalsIgnoreCase(attributeName) ){ | |
| 0x | addAttribute(attributeName, attributes.getValue(i)); | |
| } | ||
| } | ||
| } | ||
| catch (Exception ex) { | ||
| //What to do here? | ||
| 0x | ( (BeanDocumentFactory)this.getDocumentFactory()).handleException(ex); | |
| 0x | } | |
| } | ||
| else { | ||
| 0x | super.setAttributes(attributes, namespaceStack, noNamespaceAttributes); | |
| } | ||
| 0x | } | |
| // Implementation methods | ||
| //------------------------------------------------------------------------- | ||
| protected DocumentFactory getDocumentFactory() { | ||
| 0x | return DOCUMENT_FACTORY; | |
| } | ||
| protected BeanAttributeList getBeanAttributeList() { | ||
| 0x | return (BeanAttributeList) attributeList(); | |
| } | ||
| /** A Factory Method pattern which lazily creates | ||
| * a List implementation used to store content | ||
| */ | ||
| protected List createAttributeList() { | ||
| 0x | return new BeanAttributeList(this); | |
| } | ||
| protected List createAttributeList(int size) { | ||
| 0x | 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://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 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. | ||
| * | ||
| * $Id: BeanElement.java,v 1.13 2004/06/25 08:03:34 maartenc Exp $ | ||
| */ |