| /* |
| * ==================================================================== |
| * 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.impl.nio.client; |
| |
| import java.io.Closeable; |
| import java.net.URI; |
| import java.util.concurrent.Future; |
| |
| import org.apache.http.HttpHost; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.annotation.ThreadSafe; |
| import org.apache.http.client.ClientProtocolException; |
| import org.apache.http.client.methods.HttpUriRequest; |
| import org.apache.http.client.protocol.HttpClientContext; |
| import org.apache.http.client.utils.URIUtils; |
| import org.apache.http.concurrent.BasicFuture; |
| import org.apache.http.concurrent.FutureCallback; |
| import org.apache.http.nio.client.HttpAsyncClient; |
| import org.apache.http.nio.client.methods.HttpAsyncMethods; |
| import org.apache.http.nio.protocol.HttpAsyncRequestProducer; |
| import org.apache.http.nio.protocol.HttpAsyncResponseConsumer; |
| import org.apache.http.protocol.HttpContext; |
| import org.apache.http.util.Args; |
| |
| /** |
| * Base implementation of {@link HttpAsyncClient} that also implements {@link Closeable}. |
| * |
| * @since 4.0 |
| */ |
| @ThreadSafe |
| public abstract class CloseableHttpAsyncClient implements HttpAsyncClient, Closeable { |
| |
| public abstract boolean isRunning(); |
| |
| public abstract void start(); |
| |
| @Override |
| public <T> Future<T> execute( |
| final HttpAsyncRequestProducer requestProducer, |
| final HttpAsyncResponseConsumer<T> responseConsumer, |
| final FutureCallback<T> callback) { |
| return execute(requestProducer, responseConsumer, HttpClientContext.create(), callback); |
| } |
| |
| @Override |
| public Future<HttpResponse> execute( |
| final HttpHost target, final HttpRequest request, final HttpContext context, |
| final FutureCallback<HttpResponse> callback) { |
| return execute( |
| HttpAsyncMethods.create(target, request), |
| HttpAsyncMethods.createConsumer(), |
| context, callback); |
| } |
| |
| @Override |
| public Future<HttpResponse> execute( |
| final HttpHost target, final HttpRequest request, |
| final FutureCallback<HttpResponse> callback) { |
| return execute(target, request, HttpClientContext.create(), callback); |
| } |
| |
| @Override |
| public Future<HttpResponse> execute( |
| final HttpUriRequest request, |
| final FutureCallback<HttpResponse> callback) { |
| return execute(request, HttpClientContext.create(), callback); |
| } |
| |
| @Override |
| public Future<HttpResponse> execute( |
| final HttpUriRequest request, |
| final HttpContext context, |
| final FutureCallback<HttpResponse> callback) { |
| final HttpHost target; |
| try { |
| target = determineTarget(request); |
| } catch (final ClientProtocolException ex) { |
| final BasicFuture<HttpResponse> future = new BasicFuture<HttpResponse>(callback); |
| future.failed(ex); |
| return future; |
| } |
| return execute(target, request, context, callback); |
| } |
| |
| private HttpHost determineTarget(final HttpUriRequest request) throws ClientProtocolException { |
| Args.notNull(request, "HTTP request"); |
| // A null target may be acceptable if there is a default target. |
| // Otherwise, the null target is detected in the director. |
| HttpHost target = null; |
| |
| final URI requestURI = request.getURI(); |
| if (requestURI.isAbsolute()) { |
| target = URIUtils.extractHost(requestURI); |
| if (target == null) { |
| throw new ClientProtocolException( |
| "URI does not specify a valid host name: " + requestURI); |
| } |
| } |
| return target; |
| } |
| |
| } |