| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.http; |
| 20 | |
| 21 | import java.util.concurrent.ExecutorService; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | import javax.inject.Named; |
| 25 | |
| 26 | import org.jclouds.Constants; |
| 27 | import org.jclouds.concurrent.Futures; |
| 28 | |
| 29 | import com.google.common.base.Function; |
| 30 | import com.google.common.util.concurrent.ListenableFuture; |
| 31 | |
| 32 | /** |
| 33 | * Executor which will invoke and transform the response of an {@code EndpointCommand} into generic |
| 34 | * type <T>. TODO |
| 35 | * |
| 36 | * @author Adrian Cole |
| 37 | */ |
| 38 | public class TransformingHttpCommandExecutorServiceImpl implements TransformingHttpCommandExecutorService { |
| 39 | private final HttpCommandExecutorService client; |
| 40 | private final ExecutorService userThreads; |
| 41 | |
| 42 | @Inject |
| 43 | public TransformingHttpCommandExecutorServiceImpl(HttpCommandExecutorService client, |
| 44 | @Named(Constants.PROPERTY_USER_THREADS) ExecutorService userThreads) { |
| 45 | this.client = client; |
| 46 | this.userThreads = userThreads; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * {@inheritDoc} |
| 51 | */ |
| 52 | public <T, R extends HttpRequest> ListenableFuture<T> submit(HttpCommand command, |
| 53 | Function<HttpResponse, T> responseTransformer) { |
| 54 | return Futures.compose(client.submit(command), responseTransformer, userThreads); |
| 55 | } |
| 56 | |
| 57 | } |