Here you can find the source of toBinaryIntArray(byte[] bytes, int bitOffset, int bitCount)
public static int[] toBinaryIntArray(byte[] bytes, int bitOffset, int bitCount)
//package com.java2s; /*// ww w . j av a2 s .co m * Copyright (C) 2015 An Honest Effort LLC, coping. * * This program 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. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static int[] toBinaryIntArray(byte[] bytes, int bitOffset, int bitCount) { int bitReadIndex = bitOffset; int byteReadIndex = bitReadIndex / 8; int bitWriteIndex = 0; int[] result = new int[bitCount]; while (bitWriteIndex < bitCount) { int value = (bytes[byteReadIndex] & 0xFF); int bitRelative = bitReadIndex - (8 * byteReadIndex); result[bitWriteIndex++] = Integer.rotateRight(value, 7 - bitRelative) & 0x01; bitReadIndex += 1; byteReadIndex = bitReadIndex / 8; } return result; } }