'Parses the json post data and stores all the information required to
fuzz it as attributes.
:param json_post_data: The JSON as a string
:raises: ValueError if the json_post_data is not valid XML or XML-RPC'

def parse_json(self, json_post_data):

    try:
        self._json = JSONContainer.get_mutable_json(json_post_data)
        self._raw_json = json_post_data
    except:
        raise ValueError((ERR_MSG % json_post_data[:50]))
