Int To InetAddress : IP « Network « Android

1. Android
2. Network
3. IP

Int To InetAddress

   

/*
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/>.
*/

//package org.swiftp;

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

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

   
    
    
  

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