newsupernova/vendor/amzn/amazon-pay-module/Plugin/WebapiErrorProcessor.php

<?php
/**
 * Copyright 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.
 */
namespace Amazon\Payment\Plugin;

use Amazon\Core\Exception\AmazonWebapiException;
use Magento\Framework\Webapi\ErrorProcessor;

class WebapiErrorProcessor
{
    /**
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     */
    public function beforeMaskException(ErrorProcessor $subject, \Exception $e)
    {
        $previous = $e->getPrevious();
        if ($previous && $previous instanceof AmazonWebapiException) {
            return [$previous];
        }

        return null;
    }
}