| /* |
| * 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. |
| */ |
| package org.jclouds.http.handlers; |
| |
| import javax.inject.Singleton; |
| |
| import org.jclouds.http.HttpCommand; |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.http.HttpRetryHandler; |
| import org.jclouds.http.annotation.ClientError; |
| import org.jclouds.http.annotation.Redirection; |
| import org.jclouds.http.annotation.ServerError; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.inject.Inject; |
| |
| /** |
| * Delegates to {@link HttpRetryHandler HttpRetryHandlers} who are annotated according to the |
| * response codes they relate to. |
| */ |
| @Singleton |
| public class DelegatingRetryHandler implements HttpRetryHandler { |
| |
| @VisibleForTesting |
| @Inject(optional = true) |
| @Redirection |
| HttpRetryHandler redirectionRetryHandler; |
| |
| @VisibleForTesting |
| @Inject(optional = true) |
| @ClientError |
| HttpRetryHandler clientErrorRetryHandler; |
| |
| @VisibleForTesting |
| @Inject(optional = true) |
| @ServerError |
| HttpRetryHandler serverErrorRetryHandler; |
| |
| @Inject |
| public DelegatingRetryHandler(BackoffLimitedRetryHandler backOff, |
| RedirectionRetryHandler redirectionRetryHandler) { |
| this.serverErrorRetryHandler = backOff; |
| this.redirectionRetryHandler = redirectionRetryHandler; |
| this.clientErrorRetryHandler = HttpRetryHandler.NEVER_RETRY; |
| } |
| |
| public boolean shouldRetryRequest(HttpCommand command, HttpResponse response) { |
| int statusCode = response.getStatusCode(); |
| boolean retryRequest = false; |
| if (statusCode >= 300 && statusCode < 400) { |
| retryRequest = redirectionRetryHandler.shouldRetryRequest(command, response); |
| } else if (statusCode >= 400 && statusCode < 500) { |
| retryRequest = clientErrorRetryHandler.shouldRetryRequest(command, response); |
| } else if (statusCode >= 500) { |
| retryRequest = serverErrorRetryHandler.shouldRetryRequest(command, response); |
| } |
| return retryRequest; |
| } |
| |
| public HttpRetryHandler getRedirectionRetryHandler() { |
| return redirectionRetryHandler; |
| } |
| |
| public HttpRetryHandler getClientErrorRetryHandler() { |
| return clientErrorRetryHandler; |
| } |
| |
| public HttpRetryHandler getServerErrorRetryHandler() { |
| return serverErrorRetryHandler; |
| } |
| } |