def read(self, istream):
        super(ExtensionInformation, self).read(istream)
        tstream = BytearrayStream(istream.read(self.length))

        self.extension_name.read(tstream)

        if self.is_tag_next(Tags.EXTENSION_TAG, tstream):
            self.extension_tag = ExtensionTag()
            self.extension_tag.read(tstream)
        if self.is_tag_next(Tags.EXTENSION_TYPE, tstream):
            self.extension_type = ExtensionType()
            self.extension_type.read(tstream)

        self.is_oversized(tstream)
        self.validate()
Read the data encoding the ExtensionInformation object and decode it
dataset/ETHPy150Open OpenKMIP/PyKMIP/kmip/core/objects.py/ExtensionInformation.read