Java ByteBuffer Clone cloneOnHeap(final ByteBuffer buf)

Description

clone On Heap

License

Apache License

Declaration

public static ByteBuffer cloneOnHeap(final ByteBuffer buf) 

Method Source Code

//package com.java2s;
/**//from  w w w  . ja  v  a2 s.  c  om
 * Copyright 2008 - 2011
 * 
 * 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.
 * 
 * @project loonframework
 * @author chenpeng
 * @email?ceponline@yahoo.com.cn
 * @version 0.1
 */

import java.nio.ByteBuffer;
import java.nio.ByteOrder;

public class Main {
    public static ByteBuffer cloneOnHeap(final ByteBuffer buf) {
        if (buf == null) {
            return null;
        }
        buf.rewind();

        final ByteBuffer copy = createByteBufferOnHeap(buf.limit());
        copy.put(buf);

        return copy;
    }

    public static ByteBuffer createByteBufferOnHeap(final int size) {
        final ByteBuffer buf = ByteBuffer.allocate(size).order(
                ByteOrder.nativeOrder());
        buf.clear();
        return buf;
    }

    public static ByteBuffer createByteBufferOnHeap(ByteBuffer buf,
            final int size) {
        if (buf != null && buf.limit() == size) {
            buf.rewind();
            return buf;
        }

        buf = createByteBufferOnHeap(size);
        return buf;
    }
}

Related

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