Java ByteBuffer Concatenate concat(ByteBuffer outPart1, ByteBuffer outPart2)

Description

concat

License

Apache License

Declaration

static byte[] concat(ByteBuffer outPart1, ByteBuffer outPart2) 

Method Source Code

//package com.java2s;
/*/*from ww w  .j ava  2  s  . co m*/
 * Copyright (c) 2015 MeteoGroup Deutschland GmbH
 *
 * 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;

import static java.util.Arrays.copyOfRange;

public class Main {
    static byte[] concat(byte[] bytes1, byte[] bytes2) {
        byte[] result = new byte[bytes1.length + bytes2.length];
        System.arraycopy(bytes1, 0, result, 0, bytes1.length);
        System.arraycopy(bytes2, 0, result, bytes1.length, bytes2.length);
        return result;
    }

    static byte[] concat(ByteBuffer outPart1, ByteBuffer outPart2) {
        return concat(getByteArray(outPart1), getByteArray(outPart2));
    }

    static byte[] getByteArray(ByteBuffer byteBuffer) {
        if (byteBuffer.hasArray()) {
            return copyOfRange(byteBuffer.array(), byteBuffer.position() + byteBuffer.arrayOffset(),
                    byteBuffer.limit() + byteBuffer.arrayOffset());
        }
        byte[] result = new byte[byteBuffer.limit() - byteBuffer.position()];
        byteBuffer.get(result);
        return result;
    }
}

Related

1. concat(byte[] pre, ByteBuffer bbuf)
2. concat(ByteBuffer b1, ByteBuffer b2)
3. concat(ByteBuffer[] buf1, ByteBuffer[] buf2)
4. concat(ByteBuffer[] buffers, ByteBuffer buffer)
5. concat(ByteBuffer[] buffers, int overAllCapacity)
6. concat(List bbs)