Here you can find the source of byte2BitSet(BitSet bmap, byte[] b, int bitOffset)
| Parameter | Description |
|---|---|
| bmap | - BitSet |
| b | - hex representation |
| bitOffset | - (i.e. 0 for primary bitmap, 64 for secondary) |
public static BitSet byte2BitSet(BitSet bmap, byte[] b, int bitOffset)
//package com.java2s; /*//from w ww . j a v a2 s . co m * Copyright (c) 2000 jPOS.org. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the jPOS project * (http://www.jpos.org/)". Alternately, this acknowledgment may * appear in the software itself, if and wherever such third-party * acknowledgments normally appear. * * 4. The names "jPOS" and "jPOS.org" must not be used to endorse * or promote products derived from this software without prior * written permission. For written permission, please contact * license@jpos.org. * * 5. Products derived from this software may not be called "jPOS", * nor may "jPOS" appear in their name, without prior written * permission of the jPOS project. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE JPOS PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the jPOS Project. For more * information please see <http://www.jpos.org/>. */ import java.util.BitSet; public class Main { /** * Converts a binary representation of a Bitmap field * into a Java BitSet * @param b - binary representation * @param offset - staring offset * @param bitZeroMeansExtended - true for ISO-8583 * @return java BitSet object */ public static BitSet byte2BitSet(byte[] b, int offset, boolean bitZeroMeansExtended) { int len = bitZeroMeansExtended ? ((b[offset] & 0x80) == 0x80 ? 128 : 64) : 64; BitSet bmap = new BitSet(len); for (int i = 0; i < len; i++) if (((b[offset + (i >> 3)]) & (0x80 >> (i % 8))) > 0) bmap.set(i + 1); return bmap; } /** * Converts a binary representation of a Bitmap field * into a Java BitSet * @param bmap - BitSet * @param b - hex representation * @param bitOffset - (i.e. 0 for primary bitmap, 64 for secondary) * @return java BitSet object */ public static BitSet byte2BitSet(BitSet bmap, byte[] b, int bitOffset) { int len = b.length << 3; for (int i = 0; i < len; i++) if (((b[i >> 3]) & (0x80 >> (i % 8))) > 0) bmap.set(bitOffset + i + 1); return bmap; } }