| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.http.examples.nio.client; |
| |
| import java.io.IOException; |
| import java.nio.CharBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.Future; |
| |
| import org.apache.http.HttpHost; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.impl.nio.client.CloseableHttpPipeliningClient; |
| import org.apache.http.impl.nio.client.HttpAsyncClients; |
| import org.apache.http.nio.IOControl; |
| import org.apache.http.nio.client.methods.AsyncCharConsumer; |
| import org.apache.http.nio.protocol.BasicAsyncRequestProducer; |
| import org.apache.http.protocol.HttpContext; |
| |
| /** |
| * This example demonstrates a pipelinfed execution of multiple HTTP request / response exchanges |
| * with a full content streaming. |
| */ |
| public class AsyncClientPipelinedStreaming { |
| |
| public static void main(final String[] args) throws Exception { |
| CloseableHttpPipeliningClient httpclient = HttpAsyncClients.createPipelining(); |
| try { |
| httpclient.start(); |
| |
| HttpHost targetHost = new HttpHost("localhost", 8080); |
| HttpGet[] resquests = { |
| new HttpGet("/docs/index.html"), |
| new HttpGet("/docs/introduction.html"), |
| new HttpGet("/docs/setup.html"), |
| new HttpGet("/docs/config/index.html") |
| }; |
| |
| List<MyRequestProducer> requestProducers = new ArrayList<MyRequestProducer>(); |
| List<MyResponseConsumer> responseConsumers = new ArrayList<MyResponseConsumer>(); |
| for (HttpGet request: resquests) { |
| requestProducers.add(new MyRequestProducer(targetHost, request)); |
| responseConsumers.add(new MyResponseConsumer(request)); |
| } |
| |
| Future<List<Boolean>> future = httpclient.execute( |
| targetHost, requestProducers, responseConsumers, null); |
| future.get(); |
| System.out.println("Shutting down"); |
| } finally { |
| httpclient.close(); |
| } |
| System.out.println("Done"); |
| } |
| |
| static class MyRequestProducer extends BasicAsyncRequestProducer { |
| |
| private final HttpRequest request; |
| |
| MyRequestProducer(final HttpHost target, final HttpRequest request) { |
| super(target, request); |
| this.request = request; |
| } |
| |
| @Override |
| public void requestCompleted(final HttpContext context) { |
| super.requestCompleted(context); |
| System.out.println(); |
| System.out.println("Request sent: " + this.request.getRequestLine()); |
| System.out.println("================================================="); |
| } |
| } |
| |
| static class MyResponseConsumer extends AsyncCharConsumer<Boolean> { |
| |
| private final HttpRequest request; |
| |
| MyResponseConsumer(final HttpRequest request) { |
| this.request = request; |
| } |
| |
| @Override |
| protected void onResponseReceived(final HttpResponse response) { |
| System.out.println(); |
| System.out.println("Response received: " + response.getStatusLine() + " -> " + this.request.getRequestLine()); |
| System.out.println("================================================="); |
| } |
| |
| @Override |
| protected void onCharReceived(final CharBuffer buf, final IOControl ioctrl) throws IOException { |
| while (buf.hasRemaining()) { |
| System.out.print(buf.get()); |
| } |
| } |
| |
| @Override |
| protected void releaseResources() { |
| } |
| |
| @Override |
| protected Boolean buildResult(final HttpContext context) { |
| System.out.println(); |
| System.out.println("================================================="); |
| System.out.println(); |
| return Boolean.TRUE; |
| } |
| |
| } |
| |
| } |