Java Long Number Convert To fromLong(long value)

Description

Converts a long value to a byte array.

License

Open Source License

Parameter

Parameter	Description
value	the value to convert to a byte array

Return

a byte array of size 8

Declaration

public static byte[] fromLong(long value) 

Method Source Code

//package com.java2s;
/*//from w  w  w . j  ava  2s  .  c o m
 * The MIT License
 *
 * Copyright 2013 Georgios Migdos <cyberpython@gmail.com>.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

public class Main {
    /**
     * Converts a long value to a byte array.
     * The most significant bit is the leftmost bit of the first element of the
     * array.
     * 
     * @param value the value to convert to a byte array
     * 
     * @return a byte array of size 8
     */
    public static byte[] fromLong(long value) {
        byte[] result = { (byte) (0xFFL & (value >>> 56)), (byte) (0xFFL & (value >>> 48)),
                (byte) (0xFFL & (value >>> 40)), (byte) (0xFFL & (value >>> 32)), (byte) (0xFFL & (value >>> 24)),
                (byte) (0xFFL & (value >>> 16)), (byte) (0xFFL & (value >>> 8)), (byte) (0xFFL & value) };
        return result;
    }
}

Related

1. fromLong(long input)
2. fromLong(long key)
3. fromLong(long longValue)
4. fromLong(long v, int offset, byte[] dest)
5. fromLong(Long value)
6. fromLong(long value, int numBytes)
7. fromLong(long x)
8. fromLongString(String longString)