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JAXB (JSR 222) reference implementation - JAXB1 build

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/*
 * @(#)$Id: StringPair.java,v 1.10 2003/06/09 20:37:40 kk122374 Exp $
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */
package com.sun.msv.util;

import com.sun.msv.grammar.SimpleNameClass;

/**
 * pair of Strings.
 * 
 * @author Kohsuke KAWAGUCHI
 */
public final class StringPair implements java.io.Serializable
{
    public final String namespaceURI;
    public final String localName;
    
    public StringPair( SimpleNameClass name ) { this(name.namespaceURI, name.localName); }
    public StringPair( String ns, String ln ) {
        // assertion check
        if(ns==null)
            throw new InternalError("namespace URI is null");
        if(ln==null)
            throw new InternalError("local name is null");
        
        namespaceURI=ns;
        localName=ln;
    }
    
    public boolean equals( Object o )
    {
        if(!(o instanceof StringPair))    return false;
        
        return namespaceURI.equals(((StringPair)o).namespaceURI)
            && localName.equals(((StringPair)o).localName);
    }
    public int hashCode() { return namespaceURI.hashCode()^localName.hashCode(); }
    
    public String toString() {
        return "{"+namespaceURI+"}"+localName;
    }
}