domattributenodemap.java

Java的面向对象数据库系统的源代码

/*
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 * 
 * This software is open source. 
 * See the bottom of this file for the licence.
 * 
 * $Id: DOMAttributeNodeMap.java,v 1.3 2003/04/07 22:15:15 jstrachan Exp $
 */

package org.dom4j.dom;

import org.w3c.dom.Attr;
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;

/** <p><code>DOMAttributeNodeMap</code> implements a W3C NameNodeMap
  * for the attributes of an element.</p>
  *
  * @author <a href="mailto:[e-mail]">James Strachan</a>
  * @version $Revision: 1.3 $
  */
public class DOMAttributeNodeMap implements org.w3c.dom.NamedNodeMap {

    private DOMElement element;
    
    public DOMAttributeNodeMap(DOMElement element) { 
        this.element = element;
    }

    
    // org.w3c.dom.NamedNodeMap interface
    //-------------------------------------------------------------------------        
    public void foo() throws DOMException {
        DOMNodeHelper.notSupported();
    }
    
    public Node getNamedItem(String name) {
        return element.getAttributeNode(name);
    }

    public Node setNamedItem(Node arg) throws DOMException {
        if ( arg instanceof Attr ) {
            return element.setAttributeNode( (org.w3c.dom.Attr) arg );
        }
        else {
            throw new DOMException( DOMException.NOT_SUPPORTED_ERR, "Node is not an Attr: " + arg );
        }
    }

    public Node removeNamedItem(String name) throws DOMException {
        org.w3c.dom.Attr attr = element.getAttributeNode(name);
        if ( attr != null ) {
            return element.removeAttributeNode( attr );
        }
        return attr;
    }

    public Node item(int index) {
        return DOMNodeHelper.asDOMAttr( element.attribute(index) );
    }

    public int getLength() {
        return element.attributeCount();
    }

    public Node getNamedItemNS(String namespaceURI, String localName) {
        return element.getAttributeNodeNS( namespaceURI, localName );
    }

    public Node setNamedItemNS(Node arg) throws DOMException {
        if ( arg instanceof Attr ) {
            return element.setAttributeNodeNS( (org.w3c.dom.Attr) arg );
        }
        else {
            throw new DOMException( DOMException.NOT_SUPPORTED_ERR, "Node is not an Attr: " + arg );
        }
    }

    public Node removeNamedItemNS(String namespaceURI, String localName) throws DOMException {
        org.w3c.dom.Attr attr = element.getAttributeNodeNS( namespaceURI, localName );
        if ( attr != null ) {
            return element.removeAttributeNode( attr );
        }
        return attr;
    }

}




/*
 * 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 [e-mail].
 *
 * 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 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * $Id: DOMAttributeNodeMap.java,v 1.3 2003/04/07 22:15:15 jstrachan Exp $
 */