/*
 * Copyright (C) 2005-2009 Alfresco Software Limited.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 * As a special exception to the terms and conditions of version 2.0 of 
 * the GPL, you may redistribute this Program in connection with Free/Libre 
 * and Open Source Software ("FLOSS") applications as described in Alfresco's 
 * FLOSS exception.  You should have recieved a copy of the text describing 
 * the FLOSS exception, and it is also available here: 
 * http://www.alfresco.com/legal/licensing"
 */
package org.alfresco.repo.site;

import java.util.Comparator;
import java.util.Map;

/* package scope */class RoleComparatorImpl implements Comparator<String>
{
    private Map<String, Integer> rolePrecedence;
	
	public RoleComparatorImpl() 
	{	
	}
	
    public RoleComparatorImpl(Map<String, Integer> rolePrecedence)
    {
    		this.setRolePrecedence(rolePrecedence);
    }

	public int compare(String first, String second) 
	{	
		int firstRank = getRolePrecedence().get(first);
		int secondRank = getRolePrecedence().get(second);
					
		return secondRank - firstRank;			
	}
		
	public void init() 
	{
	    	
	}
	public void setRolePrecedence(Map<String, Integer> rolePrecedence) 
	{
		this.rolePrecedence = rolePrecedence;
	}
	public Map<String, Integer> getRolePrecedence() 
	{
		return rolePrecedence;
	}
}