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/>.
 */

public class Main {
    public static String ipToString(int addr, String sep) {
        //myLog.l(Log.DEBUG, "IP as int: " + addr);
        if (addr > 0) {
            StringBuffer buf = new StringBuffer();
            buf.append(byteOfInt(addr, 0)).append(sep).append(byteOfInt(addr, 1)).append(sep)
                    .append(byteOfInt(addr, 2)).append(sep).append(byteOfInt(addr, 3));

            return buf.toString();
        } else {
            return null;
        }
    }

    public static String ipToString(int addr) {
        if (addr == 0) {
            // This can only occur due to an error, we shouldn't blindly
            // convert 0 to string.

            return null;
        }
        return ipToString(addr, ".");
    }

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