Java Long Number Create convertLong(long v, boolean isLE)

Description

Convert long value to bytes arrays.

License

Apache License

Parameter

Parameter	Description
v	long value
isLE	Whether endian is LITTLE-ENDIAN.

Return

Bytes arrays.

Declaration

public static byte[] convertLong(long v, boolean isLE) 

Method Source Code

//package com.java2s;
/**//from  www.  ja v  a2s .c o  m
 * 
 *Copyright 2014 The Darks Codec Project (Liu lihua)
 *
 *Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 *Unless required by applicable law or agreed to in writing, software
 *distributed under the License is distributed on an "AS IS" BASIS,
 *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *See the License for the specific language governing permissions and
 *limitations under the License.
 */

public class Main {
    /**
     * Convert long value to bytes arrays.
     * 
     * @param v long value
     * @param isLE Whether endian is LITTLE-ENDIAN.
     * @return Bytes arrays.
     */
    public static byte[] convertLong(long v, boolean isLE) {
        byte[] bytes = new byte[8];
        if (isLE) {
            bytes[0] = (byte) (v >>> 0);
            bytes[1] = (byte) (v >>> 8);
            bytes[2] = (byte) (v >>> 16);
            bytes[3] = (byte) (v >>> 24);
            bytes[4] = (byte) (v >>> 32);
            bytes[5] = (byte) (v >>> 40);
            bytes[6] = (byte) (v >>> 48);
            bytes[7] = (byte) (v >>> 56);
        } else {
            bytes[0] = (byte) (v >>> 56);
            bytes[1] = (byte) (v >>> 48);
            bytes[2] = (byte) (v >>> 40);
            bytes[3] = (byte) (v >>> 32);
            bytes[4] = (byte) (v >>> 24);
            bytes[5] = (byte) (v >>> 16);
            bytes[6] = (byte) (v >>> 8);
            bytes[7] = (byte) (v >>> 0);
        }
        return bytes;
    }
}

Related

1. convertLong(byte[] data, int offset)
2. convertLong2FourBytes(long data)
3. convertLongAddressToBuf(long ipAddress)
4. convertLongArray(long[] arr)
5. convertLongArrayFromHex(char[] hex)