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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_Service
  17   * @subpackage Technorati
  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  /**
  25   * Collection of utilities for various Zend_Service_Technorati classes.
  26   *
  27   * @category   Zend
  28   * @package    Zend_Service
  29   * @subpackage Technorati
  30   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  31   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  32   */
  33  class Zend_Service_Technorati_Utils
  34  {
  35      /**
  36       * Parses, validates and returns a valid Zend_Uri object
  37       * from given $input.
  38       *
  39       * @param   string|Zend_Uri_Http $input
  40       * @return  null|Zend_Uri_Http
  41       * @throws  Zend_Service_Technorati_Exception
  42       * @static
  43       */
  44      public static function normalizeUriHttp($input)
  45      {
  46          // allow null as value
  47          if ($input === null) {
  48              return null;
  49          }
  50  
  51          /**
  52           * @see Zend_Uri
  53           */
  54          require_once 'Zend/Uri.php';
  55          if ($input instanceof Zend_Uri_Http) {
  56              $uri = $input;
  57          } else {
  58              try {
  59                  $uri = Zend_Uri::factory((string) $input);
  60              }
  61              // wrap exception under Zend_Service_Technorati_Exception object
  62              catch (Exception $e) {
  63                  /**
  64                   * @see Zend_Service_Technorati_Exception
  65                   */
  66                  require_once 'Zend/Service/Technorati/Exception.php';
  67                  throw new Zend_Service_Technorati_Exception($e->getMessage(), 0, $e);
  68              }
  69          }
  70  
  71          // allow inly Zend_Uri_Http objects or child classes
  72          if (!($uri instanceof Zend_Uri_Http)) {
  73              /**
  74               * @see Zend_Service_Technorati_Exception
  75               */
  76              require_once 'Zend/Service/Technorati/Exception.php';
  77              throw new Zend_Service_Technorati_Exception(
  78                  "Invalid URL $uri, only HTTP(S) protocols can be used");
  79          }
  80  
  81          return $uri;
  82      }
  83      /**
  84       * Parses, validates and returns a valid Zend_Date object
  85       * from given $input.
  86       *
  87       * $input can be either a string, an integer or a Zend_Date object.
  88       * If $input is string or int, it will be provided to Zend_Date as it is.
  89       * If $input is a Zend_Date object, the object instance will be returned.
  90       *
  91       * @param   mixed|Zend_Date $input
  92       * @return  null|Zend_Date
  93       * @throws  Zend_Service_Technorati_Exception
  94       * @static
  95       */
  96      public static function normalizeDate($input)
  97      {
  98          /**
  99           * @see Zend_Date
 100           */
 101          require_once 'Zend/Date.php';
 102          /**
 103           * @see Zend_Locale
 104           */
 105          require_once 'Zend/Locale.php';
 106  
 107          // allow null as value and return valid Zend_Date objects
 108          if (($input === null) || ($input instanceof Zend_Date)) {
 109              return $input;
 110          }
 111  
 112          // due to a BC break as of ZF 1.5 it's not safe to use Zend_Date::isDate() here
 113          // see ZF-2524, ZF-2334
 114          if (@strtotime($input) !== FALSE) {
 115              return new Zend_Date($input);
 116          } else {
 117              /**
 118               * @see Zend_Service_Technorati_Exception
 119               */
 120              require_once 'Zend/Service/Technorati/Exception.php';
 121              throw new Zend_Service_Technorati_Exception("'$input' is not a valid Date/Time");
 122          }
 123      }
 124  
 125      /**
 126       * @todo public static function xpathQueryAndSet() {}
 127       */
 128  
 129      /**
 130       * @todo public static function xpathQueryAndSetIf() {}
 131       */
 132  
 133      /**
 134       * @todo public static function xpathQueryAndSetUnless() {}
 135       */
 136  }