cvs commit: jakarta-slide/src/util/org/apache/util QName.java

[di...@apache.org]

dirkv       01/08/08 14:31:05

  Added:       src/util/org/apache/util QName.java
  Log:
  A QName represents a fully-qualified name.
  (thanks to Rene Brandenburger for referring to SOAP project)
  
  Revision  Changes    Path
  1.1                  jakarta-slide/src/util/org/apache/util/QName.java
  
  Index: QName.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-slide/src/util/org/apache/util/QName.java,v 1.1 2001/08/08 21:31:05 dirkv Exp $
   * $Revision: 1.1 $
   * $Date: 2001/08/08 21:31:05 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 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 end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:  
   *       "This product includes software developed by the 
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``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 THE APACHE SOFTWARE FOUNDATION 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */ 
  
  package org.apache.util;
  
  import org.w3c.dom.Node;
  
  /**
   * A <code>QName</code> represents a fully-qualified name.
   *
   * @author Dirk Verbeeck
   */
  public class QName
  {
  	private String namespaceURI;
  	private String localName;
  	private int hashCode;
  
  	public QName(String namespaceURI, String localName)
  	{
  		this.namespaceURI = (namespaceURI == null ? "" : namespaceURI).intern();
  		this.localName = localName.intern();
  		
  		String hash1 = this.namespaceURI.hashCode() + "";
  		String hash2 = this.localName.hashCode() + "";
  		String hash3 = hash1 + '_' + hash2;
  		this.hashCode=hash3.hashCode();
  	}
  
  	public String getNamespaceURI()
  	{
  		return this.namespaceURI;
  	}
  
  	public String getLocalName()
  	{
  		return this.localName;
  	}
  
  	public int hashCode()
  	{
  		return this.hashCode;
  	}
  
  	public boolean equals(Object obj)
  	{
  		return (obj != null
  			&& (obj instanceof QName)
  	        && namespaceURI == ((QName)obj).getNamespaceURI()
  	        && localName == ((QName)obj).getLocalName());
  	}
  
  	public boolean matches(Node node)
  	{
  		return (node!=null)
  					&& (node.getNamespaceURI()!=null)
  					&& (node.getLocalName()!=null)
  					&& (node.getNamespaceURI().intern()==this.namespaceURI)
  					&& (node.getLocalName().intern()==this.localName);
  	}
  
  	public String toString()
  	{
  		return namespaceURI + ':' + localName;
  	}
  }