public function __construct($pathDir, $app = '', $ajax_conf = array())
 {
     $q_string = $_SERVER['REQUEST_URI'];
     $is_utility = false;
     $utilityFound = '';
     foreach (self::$utilitys as $utility) {
         if (stripos($q_string, $utility) !== false) {
             $is_utility = true;
             $utilityFound = $utility;
             break;
         }
     }
     CORE_dispatcher::defineUtility($utilityFound);
     CORE_dispatcher::dispath($q_string, $is_utility);
     $this->params = CORE_dispatcher::getParams();
     $this->module = CORE_dispatcher::getModule();
     $this->event = CORE_dispatcher::getEvent();
     CORE_router::router($app, $this->module, $this->event, $this->params, $ajax_conf, $utilityFound);
 }