Java ByteBuffer Clone cloneByteBufferList(List source)

Description

Clones a list of ByteBuffer s.

License

Apache License

Parameter

Parameter	Description
source	the list of ByteBuffers to clone

Return

the new list of ByteBuffers

Declaration

public static List<ByteBuffer> cloneByteBufferList(List<ByteBuffer> source) 

Method Source Code

//package com.java2s;
/*//from  w w  w  .j  a  v  a  2  s  .  c  o  m
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

import java.nio.ByteBuffer;

import java.util.ArrayList;
import java.util.List;

public class Main {
    /**
     * Clones a list of {@link ByteBuffer}s.
     *
     * @param source the list of ByteBuffers to clone
     * @return the new list of ByteBuffers
     */
    public static List<ByteBuffer> cloneByteBufferList(List<ByteBuffer> source) {
        List<ByteBuffer> ret = new ArrayList<>(source.size());
        for (ByteBuffer b : source) {
            ret.add(cloneByteBuffer(b));
        }
        return ret;
    }

    /**
     * Clones a {@link ByteBuffer}.
     * <p>
     * The new bytebuffer will have the same content, but the type of the bytebuffer may not be the
     * same.
     *
     * @param buf The ByteBuffer to clone
     * @return The new ByteBuffer
     */
    public static ByteBuffer cloneByteBuffer(ByteBuffer buf) {
        ByteBuffer ret = ByteBuffer.allocate(buf.limit() - buf.position());
        if (buf.hasArray()) {
            ret.put(buf.array(), buf.position(), buf.limit() - buf.position());
        } else {
            // direct buffer
            ret.put(buf);
        }
        ret.flip();
        return ret;
    }
}

Related

1. cloneBuffer(ByteBuffer pesBuffer)
2. cloneBufferData(ByteBuffer srcBuffer)
3. cloneByteBuffer(ByteBuffer buf)
4. cloneByteBuffer(ByteBuffer buf)
5. cloneByteBufferList(List source)
6. cloneOnHeap(final ByteBuffer buf)
7. cloneSection(ByteBuffer source, int start, int count)