Java ByteBuffer Split splitLongToBuffers(ByteBuffer buffer, ByteBuffer buffer1, long iValue)

Description

Split long value into two byte buffer.

License

Apache License

Parameter

Parameter	Description
buffer	to write first part of value
buffer1	to write second part of value

Declaration

public static void splitLongToBuffers(ByteBuffer buffer,
        ByteBuffer buffer1, long iValue) 

Method Source Code

//package com.java2s;
/*//from w w w.j  a  v a2  s .  c  om
 * Copyright 1999-2012 Luca Garulli (l.garulli--at--orientechnologies.com)
 *
 * 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.
 */

import java.nio.ByteBuffer;

public class Main {
    public static final int SIZE_OF_LONG = 8;
    private static final int SIZE_OF_BYTE_IN_BITS = 8;

    /**
     * Split long value into two byte buffer. First byte of long will be written to first byte buffer and second to second one. How
     * many bytes will be written to first buffer determines based on <code>buffer.remaining()</code> value
     * 
     * @param buffer
     *          to write first part of value
     * @param buffer1
     *          to write second part of value
     */
    public static void splitLongToBuffers(ByteBuffer buffer,
            ByteBuffer buffer1, long iValue) {
        int remaining = buffer.remaining();
        int i;
        for (i = 0; i < remaining; ++i) {
            buffer.put((byte) (iValue >> SIZE_OF_BYTE_IN_BITS
                    * (SIZE_OF_LONG - i - 1)));
        }
        for (int j = 0; j < SIZE_OF_LONG - remaining; ++j) {
            buffer1.put((byte) (iValue >> SIZE_OF_BYTE_IN_BITS
                    * (SIZE_OF_LONG - i - j - 1)));
        }
    }
}

Related

1. split(ByteBuffer buffer, byte tag)
2. split(ByteBuffer buffer, int position)
3. split(ByteBuffer src, int unitSize)
4. splitShortToBuffers(ByteBuffer buffer, ByteBuffer buffer1, short iValue)