| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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. |
| */ |
| package org.jclouds.gae; |
| |
| import java.io.IOException; |
| import java.util.concurrent.ExecutorService; |
| |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.Constants; |
| import org.jclouds.JcloudsVersion; |
| import org.jclouds.concurrent.SingleThreaded; |
| import org.jclouds.http.HttpCommandExecutorService; |
| import org.jclouds.http.HttpRequest; |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.http.HttpUtils; |
| import org.jclouds.http.IOExceptionRetryHandler; |
| import org.jclouds.http.handlers.DelegatingErrorHandler; |
| import org.jclouds.http.handlers.DelegatingRetryHandler; |
| import org.jclouds.http.internal.BaseHttpCommandExecutorService; |
| import org.jclouds.http.internal.HttpWire; |
| |
| import com.google.appengine.api.urlfetch.HTTPRequest; |
| import com.google.appengine.api.urlfetch.HTTPResponse; |
| import com.google.appengine.api.urlfetch.URLFetchService; |
| import com.google.common.annotations.VisibleForTesting; |
| |
| /** |
| * Google App Engine version of {@link HttpCommandExecutorService} |
| * |
| * @author Adrian Cole |
| */ |
| @SingleThreaded |
| @Singleton |
| public class GaeHttpCommandExecutorService extends BaseHttpCommandExecutorService<HTTPRequest> { |
| //TODO: look up gae version |
| public static final String USER_AGENT = String.format("jclouds/%s urlfetch/%s", JcloudsVersion.get(), "1.4.3"); |
| |
| private final URLFetchService urlFetchService; |
| private final ConvertToGaeRequest convertToGaeRequest; |
| private final ConvertToJcloudsResponse convertToJcloudsResponse; |
| |
| @Inject |
| public GaeHttpCommandExecutorService(URLFetchService urlFetchService, HttpUtils utils, |
| @Named(Constants.PROPERTY_IO_WORKER_THREADS) ExecutorService ioExecutor, |
| IOExceptionRetryHandler ioRetryHandler, DelegatingRetryHandler retryHandler, |
| DelegatingErrorHandler errorHandler, HttpWire wire, ConvertToGaeRequest convertToGaeRequest, |
| ConvertToJcloudsResponse convertToJcloudsResponse) { |
| super(utils, ioExecutor, retryHandler, ioRetryHandler, errorHandler, wire); |
| this.urlFetchService = urlFetchService; |
| this.convertToGaeRequest = convertToGaeRequest; |
| this.convertToJcloudsResponse = convertToJcloudsResponse; |
| } |
| |
| @VisibleForTesting |
| protected HttpResponse convert(HTTPResponse gaeResponse) { |
| return convertToJcloudsResponse.apply(gaeResponse); |
| } |
| |
| @VisibleForTesting |
| protected HTTPRequest convert(HttpRequest request) throws IOException { |
| return convertToGaeRequest.apply(request); |
| } |
| |
| /** |
| * nothing to clean up. |
| */ |
| @Override |
| protected void cleanup(HTTPRequest nativeRequest) { |
| } |
| |
| @Override |
| protected HttpResponse invoke(HTTPRequest request) throws IOException { |
| return convert(urlFetchService.fetch(request)); |
| } |
| } |