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The Amazon Web Services 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 2012-2014 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.transform;

import com.amazonaws.AmazonServiceException;
import com.amazonaws.transform.JsonErrorUnmarshaller;
import com.amazonaws.util.json.JSONObject;

public class GlacierErrorUnmarshaller extends JsonErrorUnmarshaller {

    public GlacierErrorUnmarshaller() {}

    protected GlacierErrorUnmarshaller(Class exceptionClass) {
        super(exceptionClass);
    }

    /**
     * Different from other JSON services that return error code in the response content,
     * Glacier uses "code" as the JSON field key, instead of the commonly-used "__type".
     */
    @Override
    public String parseErrorCode(JSONObject json) throws Exception {
        if (json.has("code")) {
            String type = json.getString("code");
            int separator = type.lastIndexOf("#");
            return type.substring(separator + 1);
        }

        return null;
    }
}