from typing import Type, List
from jivago.inject import typing_meta_helper
from jivago.lang.annotations import Override
from jivago.lang.stream import Stream
from jivago.serialization.deserialization_strategy import DeserializationStrategy, T
TYPES_WHICH_DESERIALIZE_TO_LISTS = ('List', 'Iterable', 'Collection')
[docs]
class TypedListDeserializationStrategy(DeserializationStrategy):
def __init__(self, deserializer: "Deserializer"):
self.deserializer = deserializer
[docs]
@Override
def can_handle_deserialization(self, declared_type: type) -> bool:
return typing_meta_helper.is_typing_meta_collection(declared_type, TYPES_WHICH_DESERIALIZE_TO_LISTS)
[docs]
@Override
def deserialize(self, obj: list, declared_type: Type[List[T]]) -> list:
list_content_type = declared_type.__args__[0]
return Stream(obj).map(lambda x: self.deserializer.deserialize(x, list_content_type)).toList()