/*
* 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.s3.handlers;
import static org.jclouds.http.HttpUtils.closeClientButKeepContentStream;
import static org.jclouds.http.Uris.uriBuilder;
import java.net.URI;
import javax.inject.Inject;
import javax.inject.Singleton;
import javax.ws.rs.core.HttpHeaders;
import org.jclouds.aws.domain.AWSError;
import org.jclouds.aws.util.AWSUtils;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.handlers.BackoffLimitedRetryHandler;
import org.jclouds.http.handlers.RedirectionRetryHandler;
/**
* Handles Retryable responses with error codes in the 3xx range
*
* @author Adrian Cole
*/
@Singleton
public class S3RedirectionRetryHandler extends RedirectionRetryHandler {
private final AWSUtils utils;
@Inject
public S3RedirectionRetryHandler(BackoffLimitedRetryHandler backoffHandler, AWSUtils utils) {
super(backoffHandler);
this.utils = utils;
}
@Override
public boolean shouldRetryRequest(HttpCommand command, HttpResponse response) {
if (response.getFirstHeaderOrNull(HttpHeaders.LOCATION) == null
&& (response.getStatusCode() == 301 || response.getStatusCode() == 307)) {
command.incrementRedirectCount();
closeClientButKeepContentStream(response);
AWSError error = utils.parseAWSErrorFromContent(command.getCurrentRequest(), response);
String host = error.getDetails().get("Endpoint");
if (host != null) {
if (host.equals(command.getCurrentRequest().getEndpoint().getHost())) {
// must be an amazon error related to
// http://developer.amazonwebservices.com/connect/thread.jspa?messageID=72287𑩟
return backoffHandler.shouldRetryRequest(command, response);
} else {
URI newHost = uriBuilder(command.getCurrentRequest().getEndpoint()).host(host).build();
command.setCurrentRequest(command.getCurrentRequest().toBuilder().endpoint(newHost).build());
}
return true;
} else {
return false;
}
} else {
return super.shouldRetryRequest(command, response);
}
}
}