Java Convert via ByteBuffer longToBytes(long l, int size)

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Description

long To Bytes

License

Open Source License

Declaration 

public static byte[] longToBytes(long l, int size)

Method Source Code


//package com.java2s;
//License from project: Open Source License 

import java.nio.ByteBuffer;

public class Main {
    public static byte[] longToBytes(long l, int size) {
        ByteBuffer buf = ByteBuffer.allocate(size);
        for (int i = 0; i < size; i++)
            buf.put(getNthByteFromLong(l, size - i - 1));
        return buf.array();
    }//from w  ww  .j  a  v a2  s.co m

    private static byte getNthByteFromLong(long l, int n) {
        return (byte) ((l & (0xff << n * 8)) >> (n * 8));
    }
}

Related

  1. longToByteArray(long value)
  2. longToByteArray(long[] array)
  3. longToBytes(final long value)
  4. longToBytes(long aLong)
  5. longToBytes(long l)
  6. longToBytes(long x)
  7. longToBytes(long x, byte[] dest, int offset)
  8. longToBytesNoLeadZeroes(long val)
  9. longToFourBytesFlip(long l)