Here you can find the source of createDirectByteBuffer( final int capacity, final ByteBuffer previous)
public static final ByteBuffer createDirectByteBuffer( final int capacity, final ByteBuffer previous)
//package com.java2s; /*//from w w w . j ava 2 s. c o m * Copyright (C) 2010 Lance Nanek * * 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 java.nio.ByteOrder; public class Main { public static final ByteBuffer createDirectByteBuffer(final int capacity) { return ByteBuffer.allocateDirect(capacity).order( ByteOrder.nativeOrder()); } public static final ByteBuffer createDirectByteBuffer( final int capacity, final ByteBuffer previous) { final ByteBuffer created = createDirectByteBuffer(capacity); if (null != previous) { previous.flip(); created.put(previous); } return created; } }