1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.core5.http.nio.entity; 29 30 import java.io.IOException; 31 import java.nio.ByteBuffer; 32 33 import org.apache.hc.core5.http.ContentType; 34 import org.apache.hc.core5.http.HttpException; 35 import org.apache.hc.core5.util.ByteArrayBuffer; 36 37 /** 38 * Basic {@link org.apache.hc.core5.http.nio.AsyncEntityConsumer} implementation 39 * that processes the data stream content into a byte array. 40 * 41 * @since 5.0 42 */ 43 public class BasicAsyncEntityConsumer extends AbstractBinAsyncEntityConsumer<byte[]> { 44 45 private final ByteArrayBuffer buffer; 46 47 public BasicAsyncEntityConsumer() { 48 super(); 49 this.buffer = new ByteArrayBuffer(1024); 50 } 51 52 @Override 53 protected void streamStart(final ContentType contentType) throws HttpException, IOException { 54 } 55 56 @Override 57 protected int capacityIncrement() { 58 return Integer.MAX_VALUE; 59 } 60 61 @Override 62 protected void data(final ByteBuffer src, final boolean endOfStream) throws IOException { 63 buffer.append(src); 64 } 65 66 @Override 67 protected byte[] generateContent() throws IOException { 68 return buffer.toByteArray(); 69 } 70 71 @Override 72 public void releaseResources() { 73 buffer.clear(); 74 } 75 76 }