Ergo\Routing\RoutedController::_controllerFor PHP Method

    private function _controllerFor($name)
    {
        if (isset($this->_controllers[$name]) && is_string($this->_controllers[$name])) {
            return $this->_controllerFor($this->_controllers[$name]);
        } else {
            if (isset($this->_controllers[$name]) && is_object($this->_controllers[$name])) {
                return $this->_controllers[$name];
            } else {
                if (isset($this->_controllerFactory)) {
                    return $this->_controllerFactory->resolve($name);
                } else {
                    throw new Exception("No controller found for {$name}");
                }
            }
        }
    }