text: from .validator import Validator
  from ..logger import getLogger
  
  logger = getLogger(__name__)
  
  
  class StringValidator(Validator):
      def __init__(self, name):
          super().__init__(name)
  
      def validate(self, value):
          if value is None or (type(value) == str and len(value) == 0):
              return ""
          return str(value)
  