Java ByteBuffer Copy copyByteBuffer(java.nio.ByteBuffer data)

Here you can find the source of copyByteBuffer(java.nio.ByteBuffer data)

Description

copy Byte Buffer

License

Open Source License

Declaration

public static java.nio.ByteBuffer copyByteBuffer(java.nio.ByteBuffer data) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2006, 2015, Carnegie Mellon University. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Products derived from the software may not be called "Alice", nor may
 *    "Alice" appear in their name, without prior written permission of
 *    Carnegie Mellon University./*from  w w  w .j  a va2 s .  co  m*/
 *
 * 4. All advertising materials mentioning features or use of this software must
 *    display the following acknowledgement: "This product includes software
 *    developed by Carnegie Mellon University"
 *
 * 5. The gallery of art assets and animations provided with this software is
 *    contributed by Electronic Arts Inc. and may be used for personal,
 *    non-commercial, and academic use only. Redistributions of any program
 *    source code that utilizes The Sims 2 Assets must also retain the copyright
 *    notice, list of conditions and the disclaimer contained in
 *    The Alice 3.0 Art Gallery License.
 *
 * DISCLAIMER:
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
 * ANY AND ALL EXPRESS, STATUTORY OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,  FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
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 * THE USE OF OR OTHER DEALINGS WITH THE SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *******************************************************************************/

public class Main {
    public static java.nio.ByteBuffer copyByteBuffer(java.nio.ByteBuffer data) {
        if (data == null) {
            return null;
        }
        java.nio.ByteBuffer buf = createDirectByteBuffer(convertByteBufferToArray(data));
        return buf;
    }

    public static java.nio.ByteBuffer createDirectByteBuffer(byte[] data) {
        if (data == null) {
            return null;
        }
        java.nio.ByteBuffer buf = java.nio.ByteBuffer.allocateDirect((Byte.SIZE / 8) * data.length)
                .order(java.nio.ByteOrder.nativeOrder());
        buf.clear();
        buf.put(data);
        buf.flip();
        return buf;
    }

    public static byte[] convertByteBufferToArray(java.nio.ByteBuffer buf) {
        if (buf.hasArray()) {
            return buf.array();
        } else {
            buf.rewind();
            byte[] array = new byte[buf.remaining()];
            int index = 0;
            while (buf.hasRemaining()) {
                array[index++] = buf.get();
            }
            return array;
        }
    }
}

Related

  1. copyBufferToStream(OutputStream out, ByteBuffer in, int offset, int length)
  2. copyByteBuffer(ByteBuffer buf)
  3. copyByteBuffer(ByteBuffer src)
  4. copyByteBuffer(ByteBuffer srcBuf, int srcStep, ByteBuffer dstBuf, int dstStep)
  5. copyByteBuffer(final ByteBuffer pBuffer)
  6. copyBytes(ByteBuffer bytes)
  7. copyBytes(ByteBuffer src, ByteBuffer dst, int length)
  8. copyBytesFrom(ByteBuffer bb)
  9. copyContentsToArray(ByteBuffer src)