def build(cls, text):
if isinstance(text, TransportLayer):
return text
elif text is None:
return TransportLayer()
original_text = text
cls._validate_text(text)
text = cls._clean_text(text)
protocol_cls, text = TransportAddressBuilder._extract_protocol(text)
text = cls._normalize(text, original_text)
source, destination = text.split()
source_group = TransportGroup()
source_group.add(protocol_cls.from_string(source))
destination_group = TransportGroup()
destination_group.add(protocol_cls.from_string(destination))
return TransportLayer(source=source_group, destination=destination_group)
def address_builder(address):
return TransportAddressBuilder.build(address)
