Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 Copyright 2009 David Revell
    
 This file is part of SwiFTP.
    
 SwiFTP 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 3 of the License, or
 (at your option) any later version.
    
 SwiFTP 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 SwiFTP.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Main {
    public static InetAddress intToInet(int value) {
        byte[] bytes = new byte[4];
        for (int i = 0; i < 4; i++) {
            bytes[i] = byteOfInt(value, i);
        }
        try {
            return InetAddress.getByAddress(bytes);
        } catch (UnknownHostException e) {
            // This only happens if the byte array has a bad length
            return null;
        }
    }

    public static byte byteOfInt(int value, int which) {
        int shift = which * 8;
        return (byte) (value >> shift);
    }
}