/* Simple argument-parsing class
 * Copyright (C) 2001 Patrick E. Pelletier <ppelleti@users.sourceforge.net>
 *
 * 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.
 * 
 * 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.
 * 
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/**
 * Copyright (C) 2006-2007  NTT DATA CORPORATION
 * 
 * Version: 1.0.0 2007/04/01
 *  
 */
package net.cellcomputing.himawari.argparse;

import java.util.Comparator;

/**
 * 
 * 文字列の長さで順序付けを行うコンパレータ
 * 
 * @author NTT DATA Corporation
 */
public strictfp class CompareByLength implements Comparator<String> {
	
	/**
	 * 文字列の長さで順序付けを行う
	 * @see java.util.Comparator#compare(T, T)
	 */
	public int compare(String a, String b) {
		
		if ( a.length() > b.length() ){
			return -1;
		}
		if ( a.length() < b.length() ){
			return 1;
		}
		//同じ長さのときは辞書式で。
		return a.compareTo(b);
	}
	
}
