package org.freehep.util;

import java.util.Comparator;

/**
 *
 * @author Tony Johnson
 * @version $Id: VersionComparator.java 8584 2006-08-10 23:06:37Z duns $
 */
public class VersionComparator implements Comparator 
{
    private static String[] special = { "alpha" , "beta", "rc" };
    private static String pattern = "\\.+";
    /**
     * Compares two version numbers of the form 1.2.3.4
     * @return >0 if v1>v2, <0 if v1