Java BigInteger Calculate numberToIpv4(BigInteger ipNumber)

Description

number To Ipv

License

Open Source License

Declaration

public static String numberToIpv4(BigInteger ipNumber) 

Method Source Code

//package com.java2s;
/*//from  ww  w. j a  v  a 2s. com
 * Copyright (C) 2010 Viettel Telecom. All rights reserved.
 * VIETTEL PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

import java.math.BigInteger;

public class Main {
    public static String numberToIpv4(BigInteger ipNumber) {

        String ipString = "";
        BigInteger a = new BigInteger("FF", 16);

        for (int i = 0; i < 4; i++) {
            ipString = ipNumber.and(a).toString() + "." + ipString;

            ipNumber = ipNumber.shiftRight(8);
        }

        return ipString.substring(0, ipString.length() - 1);
    }
}

Related

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2. multi_exponent(BigInteger[] base, BigInteger[] exponent, BigInteger modulus)
3. multiply(BigInteger x, BigInteger y)
4. negative(BigInteger n)
5. normalizarParaBigInteger(Number numero, RoundingMode modo)
6. numberToShortString(BigInteger number)
7. order(BigInteger a, BigInteger p, BigInteger f[], BigInteger e[])
8. parseBigInteger(String s, BigInteger defaultValue)
9. parseBinaryBigInteger(final byte[] buffer, final int offset, final int length, final boolean negative)