Android Big Endian Convert toggleLongEndian(byte[] b)

Description

toggle Long Endian

License

LGPL

Declaration

public static void toggleLongEndian(byte[] b) 

Method Source Code

//package com.java2s;
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1//  w  w  w  .  j a  v  a2s.  c o m
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at http://sourceforge.net/projects/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Gunter Zeilinger, Huetteldorferstr. 24/10, 1150 Vienna/Austria/Europe.
 * Portions created by the Initial Developer are Copyright (C) 2002-2005
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * Gunter Zeilinger <gunterze@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

public class Main {
    public static void toggleLongEndian(byte[] b) {
        if (b != null)
            toggleLongEndian(b, 0, b.length);
    }

    public static void toggleLongEndian(byte[] b, int off, int len) {
        if (b == null || len == 0)
            return;
        int end = off + len;
        if (off < 0 || len < 0 || end > b.length)
            throw new IndexOutOfBoundsException("b.length = " + b.length
                    + ", off = " + off + ", len = " + len);
        if ((len & 7) != 0)
            throw new IllegalArgumentException("len = " + len);
        byte tmp;
        for (int i = off; i < end; i += 8) {
            tmp = b[i];
            b[i] = b[i + 7];
            b[i + 7] = tmp;
            tmp = b[i + 1];
            b[i + 1] = b[i + 6];
            b[i + 6] = tmp;
            tmp = b[i + 2];
            b[i + 2] = b[i + 5];
            b[i + 5] = tmp;
            tmp = b[i + 3];
            b[i + 3] = b[i + 4];
            b[i + 4] = tmp;
        }
    }
}

Related

1. toBigEndianInteger(byte[] b, int pos, int width)
2. toBigEndianLong(byte[] b, int pos, int width)
3. toBigEndianShort(byte[] b, int pos)
4. toggleIntEndian(byte[] b)
5. toggleIntEndian(byte[] b, int off, int len)
6. toggleLongEndian(byte[] b, int off, int len)
7. toggleShortEndian(byte[] b)
8. toggleShortEndian(byte[] b, int off, int len)
9. getInt(byte[] data, int i, boolean bigEndian)