/*
* $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/QualifiedName.java,v 1.11 2006/02/05 21:47:41 elharo Exp $
* $Revision: 1.11 $
* $Date: 2006/02/05 21:47:41 $
*
* ====================================================================
*
* Copyright 2000-2002 bob mcwhirter & James Strachan.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the Jaxen Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS 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 THE COPYRIGHT OWNER
* OR 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.
*
* ====================================================================
* This software consists of voluntary contributions made by many
* individuals on behalf of the Jaxen Project and was originally
* created by bob mcwhirter <bob@werken.com> and
* James Strachan <jstrachan@apache.org>. For more information on the
* Jaxen Project, please see <http://www.jaxen.org/>.
*
* $Id: QualifiedName.java,v 1.11 2006/02/05 21:47:41 elharo Exp $
*/
package org.orbeon.jaxen;
/** A local name (that matches the XML NCName production) and a namespace URI
* with which the local name is qualified.
*
* @author Erwin Bolwidt ( ejb @ klomp.org )
*/
class QualifiedName
{
private String namespaceURI;
private String localName;
/** Constructs a QualifiedName object.
*
* @param namespaceURI namespace URI that qualifies the name, or
* <code>null</code> for default namespace
* @param localName local name that is qualified by the namespace uri;
* must not be <code>null</code>
*/
QualifiedName( String namespaceURI, String localName )
{
if (namespaceURI == null) namespaceURI = "";
this.namespaceURI = namespaceURI;
this.localName = localName;
}
public int hashCode()
{
return ( localName.hashCode() ^ namespaceURI.hashCode() );
}
public boolean equals( Object o )
{
// Because this class is package protected and used in only
// two other classes, it's never actually compared to anything
// other than another QualifiedName. No instanceof test is
// necessary here.
QualifiedName other = (QualifiedName) o;
return ( namespaceURI.equals(other.namespaceURI) &&
other.localName.equals(localName) );
}
/**
* @return James Clark's namespace form
*/
String getClarkForm() {
if ("".equals(namespaceURI)) return localName;
else return "{" + namespaceURI + "}" + ":" + localName;
}
}