Sindbad~EG File Manager

<?php
/*
 * Copyright (c) 2013, 2014 MasterCard International Incorporated
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are 
 * permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list of 
 * conditions and the following disclaimer in the documentation and/or other materials 
 * provided with the distribution.
 * Neither the name of the MasterCard International Incorporated nor the names of its 
 * contributors may be used to endorse or promote products derived from this software 
 * without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE.
 */


class Simplify_Event extends Simplify_Object {

    /**
     * Creates an Event object
     * @param     array $hash A map of parameters; valid keys are:
     *     <dt><code>paylod</code></dt>    <dd>The raw JWS payload. </dd> <strong>required</strong>
     *     <dt><code>url</code></dt>    <dd>The URL for the webhook.  If present it must match the URL registered for the webhook.</dd>
     * @param  $authentication Object that contains the API public and private keys.  If null the values of the static
     *         Simplify::$publicKey and Simplify::$privateKey will be used.
     * @return Payments_Event an Event object.
     * @throws InvalidArgumentException
     */
    static public function createEvent($hash, $authentication = null) {

        $args = func_get_args();
        $authentication = Simplify_PaymentsApi::buildAuthenticationObject($authentication, $args, 2);

        $paymentsApi = new Simplify_PaymentsApi();

        $jsonObject = $paymentsApi->jwsDecode($hash, $authentication);

        if ($jsonObject['event'] == null) {
            throw new InvalidArgumentException("Incorect data in webhook event");
        }   

        return  $paymentsApi->convertFromHashToObject($jsonObject['event'], self::getClazz());
    }

    /**
     * @ignore
     */
    static public function getClazz() {
        return "Event";
    }
}