Typo3 extbase conditional validation

FormController.php

    /**
     * Initialize action for submit action
     */
    public function initializeSubmitAction()
    {
        if ($this->arguments->hasArgument('order') and $this->request->getArgument('order')['shipping']) {
            $validatorResolver = $this->objectManager->get(ValidatorResolver::class);
            $dynamicValidator = $validatorResolver->createValidator(GenericObjectValidator::class);
            foreach ($this->request->getArgument('order')['shipping'] as $shippingMethod) {
                switch ($shippingMethod) {
                    case PublicationOrder::SHIPPING_EMAIL:
                        $dynamicValidator->addPropertyValidator('email', $validatorResolver->createValidator('NotEmpty'));
                        break;
                    case PublicationOrder::SHIPPING_POST:
                        $dynamicValidator->addPropertyValidator('zip', $validatorResolver->createValidator('NotEmpty'));
                        $dynamicValidator->addPropertyValidator('street', $validatorResolver->createValidator('NotEmpty'));
                        $dynamicValidator->addPropertyValidator('streetNr', $validatorResolver->createValidator('NotEmpty'));
                        $dynamicValidator->addPropertyValidator('city', $validatorResolver->createValidator('NotEmpty'));
                        $dynamicValidator->addPropertyValidator('country', $validatorResolver->createValidator('NotEmpty'));
                        break;
                }

            }

            $baseValidatorConjunction = $validatorResolver->getBaseValidatorConjunction(PublicationOrder::class);
            $baseValidatorConjunction->addValidator($dynamicValidator);
        }
    }