Java Integer Array to Byte Array convertIntArrayToByteArray(int[] myIntArray, int bytesPerInt)

Description

convert Int Array To Byte Array

License

Open Source License

Declaration

public static byte[] convertIntArrayToByteArray(int[] myIntArray, int bytesPerInt) 

Method Source Code

//package com.java2s;
/*//from   www. j av a2s.c o m
 * Werkzeug
 *
 * Copyright (C) 2012 Patrick Kochlik + Dennis Paul
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * {@link http://www.gnu.org/licenses/lgpl.html}
 *
 */

public class Main {
    public static byte[] convertIntArrayToByteArray(int[] myIntArray, int bytesPerInt) {
        /* create a byte array bytesPerFloat times the size of the byte array */
        byte[] myByteArray = new byte[myIntArray.length * bytesPerInt];
        for (int i = 0; i < myIntArray.length; i++) {
            byte[] myBytes = convertIntToByteArray(myIntArray[i], bytesPerInt);
            for (int j = 0; j < bytesPerInt; j++) {
                myByteArray[i * bytesPerInt + (bytesPerInt - j - 1)] = myBytes[j];
            }
        }
        return myByteArray;
    }

    public static byte[] convertIntToByteArray(int value, int numberOfBytes) {
        byte b[] = new byte[numberOfBytes];
        int i, shift;
        for (i = 0, shift = (b.length - 1) * 8; i < b.length; i++, shift -= 8) {
            b[i] = (byte) (0xFF & (value >> shift));
        }
        return b;
    }
}

Related

1. convertIntArrayToByteArray(int[] data)
2. intArray2Bytes(int[] array)
3. intArrayToByteArray(int[] ai)
4. intArrayToByteArray(int[] data)
5. intArrayToByteArray(int[] ints)