Android Long to Byte Array Convert longToBytes(long data, int n)

Description

Convert 64 bit long to n bytes.

License

Apache License

Parameter

Parameter	Description
data	data
n	desired number of bytes to convert the long to.

Return

buffer

Declaration

public static byte[] longToBytes(long data, int n) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Software Name : RCS IMS Stack//from  w w w .j ava 2 s.  co m
 *
 * Copyright (C) 2010 France Telecom S.A.
 *
 * 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 64 bit long to n bytes.
     *
     * @param data data
     * @param n desired number of bytes to convert the long to.
     * @return buffer
     */
    public static byte[] longToBytes(long data, int n) {
        byte buf[] = new byte[n];
        for (int i = n - 1; i >= 0; i--) {
            buf[i] = (byte) data;
            data = data >> 8;
        }
        return buf;
    }
}

Related

1. long2bytes(long val)
2. convertToByteArray(long l)
3. long2bytes(long num)
4. toBytes(long longValue)
5. ulong2bytes(long value)