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    <?php
/**
 * Copyright 2010-2013 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.
 */

namespace Aws\Common\Exception\Parser;

use Guzzle\Http\Message\Response;

/**
 * Parses JSON encoded exception responses from REST services
 */
class JsonRestExceptionParser extends AbstractJsonExceptionParser
{
    /**
     * {@inheritdoc}
     */
    protected function doParse(array $data, Response $response)
    {
        // Merge in error data from the JSON body
        if ($json = $data['parsed']) {
            $data = array_replace($data, $json);
        }

        // Correct error type from services like Amazon Glacier
        if (!empty($data['type'])) {
            $data['type'] = strtolower($data['type']);
        }

        // Retrieve the error code from services like Amazon Elastic Transcoder
        if ($code = (string) $response->getHeader('x-amzn-ErrorType')) {
            $data['code'] = substr($code, 0, strpos($code, ':'));
        }

        return $data;
    }
}