Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  PHEX - The pure-java Gnutella-servent.
 *  Copyright (C) 2001 - 2008 Phex Development Group
 *
 *  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
 * 
 *  --- SVN Information ---
 *  $Id$
 */

public class Main {
    /**
     * Converts the given bytes of an IP to a string representation.
     */
    public static String ip2string(byte[] ip) {
        if (ip == null) {
            throw new NullPointerException("Ip is null!");
        }
        assert ip.length == 4;

        return (ip[0] & 0xff) + "." + (ip[1] & 0xff) + "." + (ip[2] & 0xff) + "." + (ip[3] & 0xff);
    }

    /**
     * Converts the given bytes of an IP to a string representation.
     */
    public static String ip2string(int ip) {
        return ((ip >> 24) & 0xFF) + "." + ((ip >> 16) & 0xFF) + "." + ((ip >> 8) & 0xFF) + "." + (ip & 0xFF);
    }
}