/**
 *#########################################################################
 *
 * A component of the Gatherer application, part of the Greenstone digital
 * library suite from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * <BR><BR>
 *
 * Author: John Thompson, Greenstone Digital Library, University of Waikato
 *
 * <BR><BR>
 *
 * Copyright (C) 1999 New Zealand Digital Library Project
 *
 * <BR><BR>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * <BR><BR>
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * <BR><BR>
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *########################################################################
 */
package org.greenstone.gatherer.gems;

public class Attribute 
    implements Comparable {
    public String language = null;
    public String name = null;
    public String value = null;
    public String text = null;
    private boolean language_specific = false;
    public Attribute(String name, String value) {
	this.name = name;
	this.value = value;
    }
    public Attribute(String name, String language, String value) {
	this.language = language;
	this.language_specific = true;
	this.name = name;
	this.value = value;
    }
    public int compareTo(Object other) {
	return toString().compareTo(other.toString());
    }
    public boolean equals(Object other) {
	return toString().equals(other.toString());
    }
    public String get(int column) {
	switch(column) {
	case 0:
	    return name;
	case 1:
	    if(language_specific) {
		return language;
	    }
	default:
	    return value;
	}
    }
    public String toString() {
	if(text == null) {
	    if(language_specific) {
		text = name + " [" + language + "] = " + value;
	    }
	    else {
		text = name + " = " + value;
	    }
	}
	return text;
    }
}