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   1  <?php
   2  /**
   3   * Zend Framework
   4   *
   5   * LICENSE
   6   *
   7   * This source file is subject to the new BSD license that is bundled
   8   * with this package in the file LICENSE.txt.
   9   * It is also available through the world-wide-web at this URL:
  10   * http://framework.zend.com/license/new-bsd
  11   * If you did not receive a copy of the license and are unable to
  12   * obtain it through the world-wide-web, please send an email
  13   * to [email protected] so we can send you a copy immediately.
  14   *
  15   * @category   Zend
  16   * @package    Zend_Validate
  17   * @subpackage Sitemap
  18   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  19   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20   * @version    $Id$
  21   */
  22  
  23  /**
  24   * @see Zend_Validate_Abstract
  25   */
  26  require_once 'Zend/Validate/Abstract.php';
  27  
  28  /**
  29   * @see Zend_Uri
  30   */
  31  require_once 'Zend/Uri.php';
  32  
  33  /**
  34   * Validates whether a given value is valid as a sitemap <loc> value
  35   *
  36   * @link       http://www.sitemaps.org/protocol.php Sitemaps XML format
  37   *
  38   * @category   Zend
  39   * @package    Zend_Validate
  40   * @subpackage Sitemap
  41   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  42   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  43   */
  44  class Zend_Validate_Sitemap_Loc extends Zend_Validate_Abstract
  45  {
  46      /**
  47       * Validation key for not valid
  48       *
  49       */
  50      const NOT_VALID = 'sitemapLocNotValid';
  51      const INVALID   = 'sitemapLocInvalid';
  52  
  53      /**
  54       * Validation failure message template definitions
  55       *
  56       * @var array
  57       */
  58      protected $_messageTemplates = array(
  59          self::NOT_VALID => "'%value%' is no valid sitemap location",
  60          self::INVALID   => "Invalid type given, the value should be a string",
  61      );
  62  
  63      /**
  64       * Validates if a string is valid as a sitemap location
  65       *
  66       * @link http://www.sitemaps.org/protocol.php#locdef <loc>
  67       *
  68       * @param  string  $value  value to validate
  69       * @return boolean
  70       */
  71      public function isValid($value)
  72      {
  73          if (!is_string($value)) {
  74              $this->_error(self::INVALID);
  75              return false;
  76          }
  77  
  78          $this->_setValue($value);
  79          $result = Zend_Uri::check($value);
  80          if ($result !== true) {
  81              $this->_error(self::NOT_VALID);
  82              return false;
  83          }
  84  
  85          return true;
  86      }
  87  }