| /* |
| * ==================================================================== |
| * 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.hc.client5.http.examples; |
| |
| import java.net.URI; |
| import java.nio.ByteBuffer; |
| import java.nio.charset.StandardCharsets; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.hc.client5.http.impl.async.HttpAsyncClients; |
| import org.apache.hc.client5.http.impl.async.MinimalHttpAsyncClient; |
| import org.apache.hc.core5.http.ContentType; |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.HttpResponse; |
| import org.apache.hc.core5.http.Message; |
| import org.apache.hc.core5.http.config.Http1Config; |
| import org.apache.hc.core5.http.nio.support.BasicRequestProducer; |
| import org.apache.hc.core5.http2.HttpVersionPolicy; |
| import org.apache.hc.core5.http2.config.H2Config; |
| import org.apache.hc.core5.io.CloseMode; |
| import org.apache.hc.core5.reactive.ReactiveEntityProducer; |
| import org.apache.hc.core5.reactive.ReactiveResponseConsumer; |
| import org.apache.hc.core5.reactor.IOReactorConfig; |
| import org.apache.hc.core5.util.Timeout; |
| import org.reactivestreams.Publisher; |
| |
| import io.reactivex.Flowable; |
| import io.reactivex.Notification; |
| import io.reactivex.Observable; |
| import io.reactivex.functions.Consumer; |
| import io.reactivex.functions.Function; |
| |
| /** |
| * This example demonstrates a reactive, full-duplex HTTP/1.1 message exchange using RxJava. |
| */ |
| public class ReactiveClientFullDuplexExchange { |
| |
| public static void main(final String[] args) throws Exception { |
| |
| final IOReactorConfig ioReactorConfig = IOReactorConfig.custom() |
| .setSoTimeout(Timeout.ofSeconds(5)) |
| .build(); |
| |
| final MinimalHttpAsyncClient client = HttpAsyncClients.createMinimal( |
| HttpVersionPolicy.NEGOTIATE, |
| H2Config.DEFAULT, |
| Http1Config.DEFAULT, |
| ioReactorConfig); |
| |
| client.start(); |
| |
| final URI requestUri = new URI("http://httpbin.org/post"); |
| final byte[] bs = "stuff".getBytes(StandardCharsets.UTF_8); |
| final ReactiveEntityProducer reactiveEntityProducer = new ReactiveEntityProducer( |
| Flowable.just(ByteBuffer.wrap(bs)), bs.length, ContentType.TEXT_PLAIN, null); |
| final BasicRequestProducer requestProducer = new BasicRequestProducer( |
| "POST", requestUri, reactiveEntityProducer); |
| |
| final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(); |
| final Future<Void> requestFuture = client.execute(requestProducer, consumer, null); |
| final Message<HttpResponse, Publisher<ByteBuffer>> streamingResponse = consumer.getResponseFuture().get(); |
| |
| System.out.println(streamingResponse.getHead()); |
| for (final Header header : streamingResponse.getHead().getHeaders()) { |
| System.out.println(header.toString()); |
| } |
| System.out.println(); |
| |
| Observable.fromPublisher(streamingResponse.getBody()) |
| .map(new Function<ByteBuffer, String>() { |
| @Override |
| public String apply(final ByteBuffer byteBuffer) throws Exception { |
| final byte[] string = new byte[byteBuffer.remaining()]; |
| byteBuffer.get(string); |
| return new String(string); |
| } |
| }) |
| .materialize() |
| .forEach(new Consumer<Notification<String>>() { |
| @Override |
| public void accept(final Notification<String> byteBufferNotification) throws Exception { |
| System.out.println(byteBufferNotification.toString()); |
| } |
| }); |
| |
| requestFuture.get(1, TimeUnit.MINUTES); |
| |
| System.out.println("Shutting down"); |
| client.close(CloseMode.GRACEFUL); |
| } |
| } |