| /* |
| * ==================================================================== |
| * 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.async; |
| |
| import java.util.concurrent.Future; |
| |
| import org.apache.hc.core5.concurrent.FutureCallback; |
| import org.apache.hc.core5.http.nio.AsyncPushConsumer; |
| import org.apache.hc.core5.http.nio.AsyncRequestProducer; |
| import org.apache.hc.core5.http.nio.AsyncResponseConsumer; |
| import org.apache.hc.core5.http.nio.HandlerFactory; |
| import org.apache.hc.core5.http.protocol.HttpContext; |
| |
| /** |
| * This interface represents only the most basic contract for HTTP request |
| * execution. It imposes no restrictions or particular details on the request |
| * execution process and leaves the specifics of state management, |
| * authentication and redirect handling up to individual implementations. |
| * |
| * @since 4.0 |
| */ |
| public interface HttpAsyncClient { |
| |
| /** |
| * Initiates asynchronous HTTP request execution using the given context. |
| * <p> |
| * The request producer passed to this method will be used to generate |
| * a request message and stream out its content without buffering it |
| * in memory. The response consumer passed to this method will be used |
| * to process a response message without buffering its content in memory. |
| * <p> |
| * Please note it may be unsafe to interact with the context instance |
| * while the request is still being executed. |
| * |
| * @param <T> the result type of request execution. |
| * @param requestProducer request producer callback. |
| * @param responseConsumer response consumer callback. |
| * @param pushHandlerFactory the push handler factory. Optional and may be {@code null}. |
| * @param context HTTP context. Optional and may be {@code null}. |
| * @param callback future callback. Optional and may be {@code null}. |
| * @return future representing pending completion of the operation. |
| */ |
| <T> Future<T> execute( |
| AsyncRequestProducer requestProducer, |
| AsyncResponseConsumer<T> responseConsumer, |
| HandlerFactory<AsyncPushConsumer> pushHandlerFactory, |
| HttpContext context, |
| FutureCallback<T> callback); |
| |
| } |