Java ByteBuffer from Byte Array byteBuffer(byte[] a)

Description

Converts an byte array into a direct ByteBuffer.

License

Open Source License

Declaration

public static ByteBuffer byteBuffer(byte[] a) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * The MIT License (MIT)/*w  ww  . ja va2  s  . c o m*/
 * Copyright (c) 2015 University of Twente
 *
 * 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.
 *******************************************************************************/

import java.nio.ByteBuffer;

public class Main {
    /**
     * Converts an byte array into a direct ByteBuffer.
     */
    public static ByteBuffer byteBuffer(byte[] a) {
        ByteBuffer buf = directByteBuffer(a.length);
        buf.put(a);
        buf.rewind();
        return buf;
    }

    /**
     * Converts a String into a direct ByteBuffer.
     */
    public static ByteBuffer byteBuffer(String s) {
        ByteBuffer buf = directByteBuffer(s.length());
        buf.put(s.getBytes());
        buf.rewind();
        return buf;
    }

    /** 
     * Allocates a new direct ByteBuffer with the specified number of elements. 
     */
    public static ByteBuffer directByteBuffer(int numElements) {
        ByteBuffer bb = ByteBuffer.allocateDirect(numElements);
        return bb;
    }
}

Related

1. asByteBuffer(byte... arguments)
2. buffer2Bytes(ByteBuffer bbuf)
3. bufToArray(ByteBuffer b)
4. bufToArray(ByteBuffer b)
5. readByteArray(ByteBuffer byteBuffer, int length)
6. readByteArray(ByteBuffer in)
7. readByteArray(ByteBuffer logBuf)
8. readByteAsInt(ByteBuffer buffer)