84 lines
2.5 KiB
PHP
84 lines
2.5 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Service_ShortUrl
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: $
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*/
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/**
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* @see Zend_Service_Abstract
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*/
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require_once 'Zend/Service/Abstract.php';
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/**
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* @see Zend_Service_ShortUrl_Shortener
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*/
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require_once 'Zend/Service/ShortUrl/Shortener.php';
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/**
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* @category Zend
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* @package Zend_Service_ShortUrl
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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abstract class Zend_Service_ShortUrl_AbstractShortener
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extends Zend_Service_Abstract
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implements Zend_Service_ShortUrl_Shortener
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{
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/**
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* Base URI of the service
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*
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* @var string
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*/
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protected $_baseUri = null;
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/**
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* Checks whether URL to be shortened is valid
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*
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* @param string $url
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* @throws Zend_Service_ShortUrl_Exception When URL is not valid
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*/
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protected function _validateUri($url)
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{
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require_once 'Zend/Uri.php';
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if (!Zend_Uri::check($url)) {
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require_once 'Zend/Service/ShortUrl/Exception.php';
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throw new Zend_Service_ShortUrl_Exception(sprintf(
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'The url "%s" is not valid and cannot be shortened', $url
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));
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}
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}
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/**
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* Verifies that the URL has been shortened by this service
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*
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* @throws Zend_Service_ShortUrl_Exception If the URL hasn't been shortened by this service
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* @param string $shortenedUrl
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*/
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protected function _verifyBaseUri($shortenedUrl)
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{
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if (strpos($shortenedUrl, $this->_baseUri) !== 0) {
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require_once 'Zend/Service/ShortUrl/Exception.php';
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throw new Zend_Service_ShortUrl_Exception(sprintf(
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'The url "%s" is not valid for this service and the target cannot be resolved',
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$shortenedUrl
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));
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}
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}
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}
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