public function __construct($url, $listener)
 {
     if (!isset($this->onError)) {
         $this->onError = array(new _hx_lambda(array(&$this, &$listener, &$url), "com_wiris_plugin_impl_HttpImpl_0"), 'execute');
     }
     if (!isset($this->onData)) {
         $this->onData = array(new _hx_lambda(array(&$this, &$listener, &$url), "com_wiris_plugin_impl_HttpImpl_1"), 'execute');
     }
     if (!php_Boot::$skip_constructor) {
         parent::__construct($url);
         $this->listener = $listener;
     }
 }