package caida.otter;
import java.awt.*;
import java.io.FilenameFilter;
import java.io.File;

/*****************************************************************************
* File: NameFilter.java 	Name: NameFilter
* Goal: To create a filter that accepts only files that end with .odf.
*
* Written: Bradley Huffaker		(01/13/98)
* For: Cooperative Association for Internet Data Analysis
******************************************************************************
******************************************************************************
*  By accessing this software, NAMEFILTER, you are duly informed of
*  and agree to be bound by the conditions described below in
*  this notice:
*
*  This software product, NAMEFILTER, is developed by Bradley Huffaker, and
*  copyrighted(C) 1998 by the University of California, San Diego (UCSD),
*  with all rights reserved.  UCSD administers the NSF grant to CAIDA,
*  number NCR-9711092, under which this code was developed. 
*
*  NAMEFILTER is a free software. You can redistribute it and/or modify it
*  under the terms of the GNU Public License v.2 as
*  published by UCSD and is incorporated by reference herein.  NAMEFILTER is
*  distributed WITHOUT ANY WARRANTY, IMPLIED OR EXPRESS, OF MERCHANTABILITY
*  OR FITNESS FOR A PARTICULAR PURPOSE or that the use of it will not
*  infringe on any third party's intellectual property rights.
*
*  You should have received a copy of the CAIDA General Public
*  License v.1 along with the NAMEFILTER program.  If for any reason you
*  have not received a copy, please write to
*
*                       University of California, San Diego
*                       SDSC/CAIDA
*                       9500 Gilman Dr., MS-0505
*                       La Jolla, CA 92093 - 0505  USA
*
*  Or contact INFO@CAIDA.ORG
*****************************************************************************/ 
public class NameFilter implements FilenameFilter
{
	public boolean accept(File dir, String name)
	{
		char[] array = name.toCharArray();
		int index=array.length-1;
		if (index < 0 || array[index--] != 'l')
			return false;
		if (index < 0 || array[index--] != 'v')
			return false;
		if (index < 0 || array[index--] != 'f')
			return false;
		if (index < 0 || array[index--] != '.')
			return false;
		return true;
	}
}