"""This file contains the attribute container store serializers."""
from acstore import interface as acstore_interface
from dfdatetime import serializer as dfdatetime_serializer
from dfvfs.lib import definitions as dfvfs_definitions
from dfvfs.path import factory as dfvfs_path_spec_factory
[docs]
class JSONDateTimeAttributeSerializer(acstore_interface.AttributeSerializer):
"""JSON date time values attribute serializer."""
[docs]
def DeserializeValue(self, value):
"""Deserializes a value.
Args:
value (dict[str, object]): serialized value.
Returns:
dfdatetime.DateTimeValues: runtime value.
"""
return dfdatetime_serializer.Serializer.ConvertDictToDateTimeValues(value)
[docs]
def SerializeValue(self, value):
"""Serializes a value.
Args:
value (dfdatetime.DateTimeValues): runtime value.
Returns:
dict[str, object]: serialized value.
"""
return dfdatetime_serializer.Serializer.ConvertDateTimeValuesToDict(value)
[docs]
class JSONPathSpecAttributeSerializer(acstore_interface.AttributeSerializer):
"""JSON path specification attribute serializer."""
[docs]
def DeserializeValue(self, value):
"""Deserializes a value.
Args:
value (dict[str, object]): serialized value.
Returns:
dfvfs.PathSpec: runtime value.
"""
type_indicator = value.get("type_indicator")
if type_indicator:
del value["type_indicator"]
if "parent" in value:
value["parent"] = self.DeserializeValue(value["parent"])
# Remove the class type from the JSON dictionary since we cannot pass it.
del value["__type__"]
path_spec = dfvfs_path_spec_factory.Factory.NewPathSpec(type_indicator, **value)
if type_indicator == dfvfs_definitions.TYPE_INDICATOR_OS:
# dfvfs.OSPathSpec() will change the location to an absolute path
# here we want to preserve the original location.
path_spec.location = value.get("location")
return path_spec
[docs]
def SerializeValue(self, value):
"""Serializes a value.
Args:
value (dfvfs.PathSpec): runtime value.
Returns:
str: serialized value.
"""
json_dict = {"__type__": "PathSpec"}
for property_name in dfvfs_path_spec_factory.Factory.PROPERTY_NAMES:
property_value = getattr(value, property_name, None)
if property_value is not None:
json_dict[property_name] = property_value
if value.HasParent():
json_dict["parent"] = self.SerializeValue(value.parent)
json_dict["type_indicator"] = value.type_indicator
location = getattr(value, "location", None)
if location:
json_dict["location"] = location
return json_dict
[docs]
class JSONValueListAttributeSerializer(acstore_interface.AttributeSerializer):
"""JSON value list attribute serializer."""
[docs]
def DeserializeValue(self, value):
"""Deserializes a value.
Args:
value (list[int|str]): serialized value.
Returns:
list[int|str]: runtime value.
"""
return value
[docs]
def SerializeValue(self, value):
"""Serializes a value.
Args:
value (list[int|str]): runtime value.
Returns:
list[int|str]: serialized value.
"""
return value