Here you can find the source of deepCopyVisible(ByteBuffer orig)
public static ByteBuffer deepCopyVisible(ByteBuffer orig)
//package com.java2s; /*//from w w w .ja v a 2s .c om * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. licenses this file to you 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; public class Main { public static ByteBuffer deepCopyVisible(ByteBuffer orig) { int pos = orig.position(); try { ByteBuffer toReturn; // try to maintain implementation to keep performance if (orig.isDirect()) { toReturn = ByteBuffer.allocateDirect(orig.remaining()); } else { toReturn = ByteBuffer.allocate(orig.remaining()); } toReturn.put(orig); toReturn.order(orig.order()); return (ByteBuffer) toReturn.position(0); } finally { orig.position(pos); } } }