protected function getForm($configPath)
    {
        $form = null;
        $melisConfig = $this->serviceLocator->get('MelisInstallerConfig');
        $formConfig = $melisConfig->getItem($configPath);

        if ($formConfig) {
            $factory = new \Zend\Form\Factory();
            $formElements = $this->getServiceLocator()->get('FormElementManager');
            $factory->setFormElementManager($formElements);
            $form = $factory->createForm($formConfig);
        }

        return $form;
    }