Java tutorial
/* * Copyright 2010 Ning, Inc. * * Ning 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. */ package org.asynchttpclient.providers.netty4.util; import io.netty.buffer.ByteBuf; public class ByteBufUtil { public static byte[] byteBuf2bytes(ByteBuf b) { int readable = b.readableBytes(); int readerIndex = b.readerIndex(); if (b.hasArray()) { byte[] array = b.array(); if (b.arrayOffset() == 0 && readerIndex == 0 && array.length == readable) { return array; } } byte[] array = new byte[readable]; b.getBytes(readerIndex, array); return array; } }