Java Byte Array to Long bufferToLong(byte[] ioBuffer)

Description

buffer To Long

License

Open Source License

Declaration

public static long bufferToLong(byte[] ioBuffer) 

Method Source Code

//package com.java2s;
/*//from  www  .java 2s.  co m
 * ao-lang - Minimal Java library with no external dependencies shared by many other projects.
 * Copyright (C) 2011, 2012, 2013, 2015, 2016, 2017  AO Industries, Inc.
 *     support@aoindustries.com
 *     7262 Bull Pen Cir
 *     Mobile, AL 36695
 *
 * This file is part of ao-lang.
 *
 * ao-lang 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 3 of the License, or
 * (at your option) any later version.
 *
 * ao-lang 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 ao-lang.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    public static long bufferToLong(byte[] ioBuffer) {
        return ((ioBuffer[0] & 255L) << 56) + ((ioBuffer[1] & 255L) << 48) + ((ioBuffer[2] & 255L) << 40)
                + ((ioBuffer[3] & 255L) << 32) + ((ioBuffer[4] & 255L) << 24) + ((ioBuffer[5] & 255L) << 16)
                + ((ioBuffer[6] & 255L) << 8) + (ioBuffer[7] & 255L);
    }

    public static long bufferToLong(byte[] ioBuffer, int off) {
        return ((ioBuffer[off] & 255L) << 56) + ((ioBuffer[off + 1] & 255L) << 48)
                + ((ioBuffer[off + 2] & 255L) << 40) + ((ioBuffer[off + 3] & 255L) << 32)
                + ((ioBuffer[off + 4] & 255L) << 24) + ((ioBuffer[off + 5] & 255L) << 16)
                + ((ioBuffer[off + 6] & 255L) << 8) + (ioBuffer[off + 7] & 255L);
    }
}

Related

1. arr2long(byte[] b)
2. atol(byte[] s)
3. atol(byte[] s, int offset)
4. byte2long(byte[] b)
5. byte2long(byte[] b)
6. byte2Long(byte[] bytes, int offset)
7. byte2Long(byte[] bytes, int offset)