| /* |
| * ==================================================================== |
| * 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.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.hc.client5.http.async.methods.SimpleHttpRequest; |
| import org.apache.hc.client5.http.async.methods.SimpleHttpRequests; |
| import org.apache.hc.client5.http.async.methods.SimpleHttpResponse; |
| import org.apache.hc.client5.http.async.methods.SimpleRequestProducer; |
| import org.apache.hc.client5.http.async.methods.SimpleResponseConsumer; |
| import org.apache.hc.client5.http.impl.async.HttpAsyncClients; |
| import org.apache.hc.client5.http.impl.async.MinimalHttpAsyncClient; |
| import org.apache.hc.core5.concurrent.FutureCallback; |
| import org.apache.hc.core5.http.HttpHost; |
| import org.apache.hc.core5.http.config.Http1Config; |
| import org.apache.hc.core5.http.nio.AsyncClientEndpoint; |
| import org.apache.hc.core5.http2.HttpVersionPolicy; |
| import org.apache.hc.core5.io.CloseMode; |
| import org.apache.hc.core5.reactor.IOReactorConfig; |
| import org.apache.hc.core5.util.Timeout; |
| |
| /** |
| * This example demonstrates pipelined execution of multiple HTTP/1.1 message exchanges. |
| */ |
| public class AsyncClientHttp1Pipelining { |
| |
| 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.FORCE_HTTP_1, null, Http1Config.DEFAULT, ioReactorConfig); |
| |
| client.start(); |
| |
| final HttpHost target = new HttpHost("httpbin.org"); |
| final Future<AsyncClientEndpoint> leaseFuture = client.lease(target, null); |
| final AsyncClientEndpoint endpoint = leaseFuture.get(30, TimeUnit.SECONDS); |
| try { |
| final String[] requestUris = new String[] {"/", "/ip", "/user-agent", "/headers"}; |
| |
| final CountDownLatch latch = new CountDownLatch(requestUris.length); |
| for (final String requestUri: requestUris) { |
| final SimpleHttpRequest request = SimpleHttpRequests.GET.create(target, requestUri); |
| endpoint.execute( |
| SimpleRequestProducer.create(request), |
| SimpleResponseConsumer.create(), |
| new FutureCallback<SimpleHttpResponse>() { |
| |
| @Override |
| public void completed(final SimpleHttpResponse response) { |
| latch.countDown(); |
| System.out.println(requestUri + "->" + response.getCode()); |
| System.out.println(response.getBody()); |
| } |
| |
| @Override |
| public void failed(final Exception ex) { |
| latch.countDown(); |
| System.out.println(requestUri + "->" + ex); |
| } |
| |
| @Override |
| public void cancelled() { |
| latch.countDown(); |
| System.out.println(requestUri + " cancelled"); |
| } |
| |
| }); |
| } |
| latch.await(); |
| } finally { |
| endpoint.releaseAndReuse(); |
| } |
| |
| System.out.println("Shutting down"); |
| client.close(CloseMode.GRACEFUL); |
| } |
| |
| } |