Java BigInteger Create toBigInteger(UUID uuid)

Description

to Big Integer

License

Open Source License

Declaration

public static BigInteger toBigInteger(UUID uuid) 

Method Source Code

//package com.java2s;
/***********************************************
 This file is part of the Edge Home Theater project (https://github.com/parlock/Edge-Home-Theater).
    /*from w  ww  . j  a  va2 s  .  co m*/
Edge Home Theater 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.
    
Edge Home Theater 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 Edge Home Theater.  If not, see <http://www.gnu.org/licenses/>.
    
***********************************************/

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;

import java.io.IOException;

import java.math.BigInteger;
import java.util.UUID;

public class Main {
    public static BigInteger toBigInteger(UUID uuid) {
        return new BigInteger(1, toByteArray(uuid));
    }

    public static byte[] toByteArray(UUID uuid) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);

        try {
            dos.writeLong(uuid.getMostSignificantBits());
            dos.writeLong(uuid.getLeastSignificantBits());

            return baos.toByteArray();
        } catch (IOException e) {
            throw new RuntimeException(e); //should never happen
        }
    }
}

Related

1. toBigInteger(int[] x, int bitsPerDigit)
2. toBigInteger(List integerVector)
3. toBigInteger(long value)
4. toBigInteger(Object o)
5. toBigInteger(Object value)