<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Service

 * @subpackage Amazon

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Abstract.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Service_Abstract

 */

require_once 'Zend/Service/Abstract.php';

/**

 * Abstract Amazon class that handles the credentials for any of the Web Services that

 * Amazon offers

 *

 * @category   Zend

 * @package    Zend_Service

 * @subpackage Amazon

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

abstract class Zend_Service_Amazon_Abstract extends Zend_Service_Abstract

{

    /**

     * @var string Amazon Access Key

     */

    protected static $_defaultAccessKey = null;

    /**

     * @var string Amazon Secret Key

     */

    protected static $_defaultSecretKey = null;

    /**

     * @var string Amazon Secret Key

     */

    protected $_secretKey;

    /**

     * @var string Amazon Access Key

     */

    protected $_accessKey;

    /**

     * Set the keys to use when accessing SQS.

     *

     * @param  string $access_key       Set the default Access Key

     * @param  string $secret_key       Set the default Secret Key

     * @return void

     */

    public static function setKeys($accessKey, $secretKey)

    {

        self::$_defaultAccessKey = $accessKey;

        self::$_defaultSecretKey = $secretKey;

    }

    /**

     * Create Amazon client.

     *

     * @param  string $access_key       Override the default Access Key

     * @param  string $secret_key       Override the default Secret Key

     * @return void

     */

    public function __construct($accessKey=null, $secretKey=null)

    {

        if(!$accessKey) {

            $accessKey = self::$_defaultAccessKey;

        }

        if(!$secretKey) {

            $secretKey = self::$_defaultSecretKey;

        }

        if(!$accessKey || !$secretKey) {

            require_once 'Zend/Service/Amazon/Exception.php';

            throw new Zend_Service_Amazon_Exception("AWS keys were not supplied");

        }

        $this->_accessKey = $accessKey;

        $this->_secretKey = $secretKey;

    }

    /**

     * Method to fetch the Access Key

     *

     * @return string

     */

    protected function _getAccessKey()

    {

        return $this->_accessKey;

    }

    /**

     * Method to fetch the Secret AWS Key

     *

     * @return string

     */

    protected function _getSecretKey()

    {

        return $this->_secretKey;

    }

}