<?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_ShortUrl * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: $ */ /** * @see Zend_Service_Abstract */ require_once 'Zend/Service/Abstract.php'; /** * @see Zend_Service_ShortUrl_Shortener */ require_once 'Zend/Service/ShortUrl/Shortener.php'; /** * @category Zend * @package Zend_Service_ShortUrl * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ abstract class Zend_Service_ShortUrl_AbstractShortener extends Zend_Service_Abstract implements Zend_Service_ShortUrl_Shortener { /** * Base URI of the service * * @var string */ protected $_baseUri = null; /** * Checks whether URL to be shortened is valid * * @param string $url * @throws Zend_Service_ShortUrl_Exception When URL is not valid */ protected function _validateUri($url) { require_once 'Zend/Uri.php'; if (!Zend_Uri::check($url)) { require_once 'Zend/Service/ShortUrl/Exception.php'; throw new Zend_Service_ShortUrl_Exception(sprintf( 'The url "%s" is not valid and cannot be shortened', $url )); } } /** * Verifies that the URL has been shortened by this service * * @throws Zend_Service_ShortUrl_Exception If the URL hasn't been shortened by this service * @param string $shortenedUrl */ protected function _verifyBaseUri($shortenedUrl) { if (strpos($shortenedUrl, $this->_baseUri) !== 0) { require_once 'Zend/Service/ShortUrl/Exception.php'; throw new Zend_Service_ShortUrl_Exception(sprintf( 'The url "%s" is not valid for this service and the target cannot be resolved', $shortenedUrl )); } } }