kmip/core/messages/payloads/get_attribute_list.py
def read(self, input_buffer, kmip_version=enums.KMIPVersion.KMIP_1_0):
        """
        Read the data encoding the GetAttributeList response payload and
        decode it into its constituent parts.

        Args:
            input_buffer (stream): A data stream containing encoded object
                data, supporting a read method; usually a BytearrayStream
                object.
            kmip_version (KMIPVersion): An enumeration defining the KMIP
                version with which the object will be decoded. Optional,
                defaults to KMIP 1.0.

        Raises:
            InvalidKmipEncoding: Raised if the unique identifier or attribute
                names are missing from the encoded payload.
        """
        super(GetAttributeListResponsePayload, self).read(
            input_buffer,
            kmip_version=kmip_version
        )
        local_buffer = utils.BytearrayStream(input_buffer.read(self.length))

        if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, local_buffer):
            self._unique_identifier = primitives.TextString(
                tag=enums.Tags.UNIQUE_IDENTIFIER
            )
            self._unique_identifier.read(
                local_buffer,
                kmip_version=kmip_version
            )
        else:
            raise exceptions.InvalidKmipEncoding(
                "The GetAttributeList response payload encoding is missing "
                "the unique identifier."
            )

        names = list()
        if kmip_version < enums.KMIPVersion.KMIP_2_0:
            while self.is_tag_next(enums.Tags.ATTRIBUTE_NAME, local_buffer):
                name = primitives.TextString(tag=enums.Tags.ATTRIBUTE_NAME)
                name.read(local_buffer, kmip_version=kmip_version)
                names.append(name)
            if len(names) == 0:
                raise exceptions.InvalidKmipEncoding(
                    "The GetAttributeList response payload encoding is "
                    "missing the attribute names."
                )
            self._attribute_names = names
        else:
            while self.is_tag_next(
                    enums.Tags.ATTRIBUTE_REFERENCE,
                    local_buffer
            ):
                if self.is_type_next(enums.Types.STRUCTURE, local_buffer):
                    reference = objects.AttributeReference()
                    reference.read(local_buffer, kmip_version=kmip_version)
                    names.append(
                        primitives.TextString(
                            value=reference.attribute_name,
                            tag=enums.Tags.ATTRIBUTE_NAME
                        )
                    )
                elif self.is_type_next(enums.Types.ENUMERATION, local_buffer):
                    reference = primitives.Enumeration(
                        enums.Tags,
                        tag=enums.Tags.ATTRIBUTE_REFERENCE
                    )
                    reference.read(local_buffer, kmip_version=kmip_version)
                    name = enums.convert_attribute_tag_to_name(reference.value)
                    names.append(
                        primitives.TextString(
                            value=name,
                            tag=enums.Tags.ATTRIBUTE_NAME
                        )
                    )
                else:
                    raise exceptions.InvalidKmipEncoding(
                        "The GetAttributeList response payload encoding "
                        "contains an invalid AttributeReference type."
                    )
            self._attribute_names = names

        self.is_oversized(local_buffer)
def read(self, input_buffer, kmip_version=enums.KMIPVersion.KMIP_1_0):
        """
        Read the data encoding the GetAttributeList response payload and
        decode it into its constituent parts.

        Args:
            input_buffer (stream): A data stream containing encoded object
                data, supporting a read method; usually a BytearrayStream
                object.
            kmip_version (KMIPVersion): An enumeration defining the KMIP
                version with which the object will be decoded. Optional,
                defaults to KMIP 1.0.

        Raises:
            InvalidKmipEncoding: Raised if the unique identifier or attribute
                names are missing from the encoded payload.
        """
        super(GetAttributeListResponsePayload, self).read(
            input_buffer,
            kmip_version=kmip_version
        )
        local_buffer = utils.BytearrayStream(input_buffer.read(self.length))

        if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, local_buffer):
            self._unique_identifier = primitives.TextString(
                tag=enums.Tags.UNIQUE_IDENTIFIER
            )
            self._unique_identifier.read(
                local_buffer,
                kmip_version=kmip_version
            )
        else:
            raise exceptions.InvalidKmipEncoding(
                "The GetAttributeList response payload encoding is missing "
                "the unique identifier."
            )

        names = list()
        if kmip_version < enums.KMIPVersion.KMIP_2_0:
            while self.is_tag_next(enums.Tags.ATTRIBUTE_NAME, local_buffer):
                name = primitives.TextString(tag=enums.Tags.ATTRIBUTE_NAME)
                name.read(local_buffer, kmip_version=kmip_version)
                names.append(name)
            if len(names) == 0:
                raise exceptions.InvalidKmipEncoding(
                    "The GetAttributeList response payload encoding is "
                    "missing the attribute names."
                )
            self._attribute_names = names
        else:
            while self.is_tag_next(
                    enums.Tags.ATTRIBUTE_REFERENCE,
                    local_buffer
            ):
                if self.is_type_next(enums.Types.STRUCTURE, local_buffer):
                    reference = objects.AttributeReference()
                    reference.read(local_buffer, kmip_version=kmip_version)
                    names.append(
                        primitives.TextString(
                            value=reference.attribute_name,
                            tag=enums.Tags.ATTRIBUTE_NAME
                        )
                    )
                elif self.is_type_next(enums.Types.ENUMERATION, local_buffer):
                    reference = primitives.Enumeration(
                        enums.Tags,
                        tag=enums.Tags.ATTRIBUTE_REFERENCE
                    )
                    reference.read(local_buffer, kmip_version=kmip_version)
                    name = enums.convert_attribute_tag_to_name(reference.value)
                    names.append(
                        primitives.TextString(
                            value=name,
                            tag=enums.Tags.ATTRIBUTE_NAME
                        )
                    )
                else:
                    raise exceptions.InvalidKmipEncoding(
                        "The GetAttributeList response payload encoding "
                        "contains an invalid AttributeReference type."
                    )
            self._attribute_names = names

        self.is_oversized(local_buffer)
Read the data encoding the GetAttributeList response payload and
        decode it into its constituent parts.

        Args:
            input_buffer (stream): A data stream containing encoded object
                data, supporting a read method; usually a BytearrayStream
                object.
            kmip_version (KMIPVersion): An enumeration defining the KMIP
                version with which the object will be decoded. Optional,
                defaults to KMIP 1.0.

        Raises:
            InvalidKmipEncoding: Raised if the unique identifier or attribute
                names are missing from the encoded payload.