| /* |
| * ==================================================================== |
| * 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.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.ThreadFactory; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.http.client.protocol.HttpClientContext; |
| import org.apache.http.client.protocol.RequestClientConnControl; |
| import org.apache.http.concurrent.BasicFuture; |
| import org.apache.http.concurrent.FutureCallback; |
| import org.apache.http.impl.DefaultConnectionReuseStrategy; |
| import org.apache.http.impl.client.DefaultConnectionKeepAliveStrategy; |
| import org.apache.http.nio.NHttpClientEventHandler; |
| import org.apache.http.nio.conn.NHttpClientConnectionManager; |
| import org.apache.http.nio.protocol.HttpAsyncRequestProducer; |
| import org.apache.http.nio.protocol.HttpAsyncResponseConsumer; |
| import org.apache.http.protocol.BasicHttpContext; |
| import org.apache.http.protocol.HttpContext; |
| import org.apache.http.protocol.HttpProcessor; |
| import org.apache.http.protocol.ImmutableHttpProcessor; |
| import org.apache.http.protocol.RequestContent; |
| import org.apache.http.protocol.RequestTargetHost; |
| import org.apache.http.protocol.RequestUserAgent; |
| import org.apache.http.util.Asserts; |
| import org.apache.http.util.VersionInfo; |
| |
| class MinimalHttpAsyncClient extends CloseableHttpAsyncClientBase { |
| |
| private final Log log = LogFactory.getLog(getClass()); |
| |
| private final NHttpClientConnectionManager connmgr; |
| private final InternalClientExec execChain; |
| |
| public MinimalHttpAsyncClient( |
| final NHttpClientConnectionManager connmgr, |
| final ThreadFactory threadFactory, |
| final NHttpClientEventHandler eventHandler) { |
| super(connmgr, threadFactory, eventHandler); |
| this.connmgr = connmgr; |
| final HttpProcessor httpProcessor = new ImmutableHttpProcessor(new RequestContent(), |
| new RequestTargetHost(), |
| new RequestClientConnControl(), |
| new RequestUserAgent(VersionInfo.getUserAgent( |
| "Apache-HttpAsyncClient", "org.apache.http.nio.client", getClass()))); |
| this.execChain = new MinimalClientExec( |
| connmgr, |
| httpProcessor, |
| DefaultConnectionReuseStrategy.INSTANCE, |
| DefaultConnectionKeepAliveStrategy.INSTANCE); |
| } |
| |
| public MinimalHttpAsyncClient( |
| final NHttpClientConnectionManager connmgr, |
| final ThreadFactory threadFactory) { |
| this(connmgr, threadFactory, new LoggingAsyncRequestExecutor()); |
| } |
| |
| public MinimalHttpAsyncClient( |
| final NHttpClientConnectionManager connmgr) { |
| this(connmgr, Executors.defaultThreadFactory()); |
| } |
| |
| public <T> Future<T> execute( |
| final HttpAsyncRequestProducer requestProducer, |
| final HttpAsyncResponseConsumer<T> responseConsumer, |
| final HttpContext context, |
| final FutureCallback<T> callback) { |
| final Status status = getStatus(); |
| Asserts.check(status == Status.ACTIVE, "Request cannot be executed; " + |
| "I/O reactor status: %s", status); |
| final BasicFuture<T> future = new BasicFuture<T>(callback); |
| final HttpClientContext localcontext = HttpClientContext.adapt( |
| context != null ? context : new BasicHttpContext()); |
| |
| @SuppressWarnings("resource") |
| final DefaultClientExchangeHandlerImpl<T> handler = new DefaultClientExchangeHandlerImpl<T>( |
| this.log, |
| requestProducer, |
| responseConsumer, |
| localcontext, |
| future, |
| this.connmgr, |
| this.execChain); |
| try { |
| handler.start(); |
| } catch (final Exception ex) { |
| handler.failed(ex); |
| } |
| return future; |
| } |
| |
| } |