com.amazonaws.services.s3.internal.CompleteMultipartUploadRetryablePredicate Maven / Gradle / Ivy

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The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2015-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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 com.amazonaws.services.s3.internal;

import com.amazonaws.internal.SdkPredicate;
import com.amazonaws.services.s3.model.AmazonS3Exception;

/**
 * Complete Multipart Upload API returns a 2xx
 * success response with an Error xml in the body. Some of these errors
 * can be retried as per the API documentation {@see http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadComplete.html}
 *
 * This predicate analyzes the exception and returns true if the exception
 * can be retried.
 *
 * 
 * A sample success response with Error response Xml in body:
 * 
 * HTTP/1.1 200 OK
 * x-amz-id-2: Uuag1LuByRx9e6j5Onimru9pO4ZVKnJ2Qz7/C1NPcfTWAtRPfTaOFg==
 * x-amz-request-id: 656c76696e6727732072657175657374
 * Date:  Mon, 1 Nov 2010 20:34:56 GMT
 * Connection: close
 * Server: AmazonS3
 *
 * 
 * 
 * InternalError
 * We encountered an internal error. Please try again.
 * 656c76696e6727732072657175657374
 * Uuag1LuByRx9e6j5Onimru9pO4ZVKnJ2Qz7/C1NPcfTWAtRPfTaOFg==
 * 
 */
public class CompleteMultipartUploadRetryablePredicate extends SdkPredicate {

    private static final String ERROR_CODE = "InternalError";
    private static final String RETYABLE_ERROR_MESSAGE = "Please try again.";

    @Override
    public boolean test(AmazonS3Exception exception) {

        if (exception == null || exception.getErrorCode() == null ||
                exception.getErrorMessage() == null) {
            return false;
        }

        return exception.getErrorCode().contains(ERROR_CODE) &&
                exception.getErrorMessage().contains(RETYABLE_ERROR_MESSAGE);
    }
}