#!/usr/bin/env python
#  -*- coding: utf-8 -*-
# *****************************************************************************
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# Module authors:
#   Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
#
# *****************************************************************************
"""Encoding/decoding Messages"""

# implement as class as they may need some internal 'state' later on
# (think compressors)

from secop.protocol.encoding import MessageEncoder
from secop.protocol import messages
from secop.lib.parsing import *

try:
    import cPickle as pickle
except ImportError:
    import pickle


class PickleEncoder(MessageEncoder):

    def encode(self, messageobj):
        """msg object -> transport layer message"""
        return pickle.dumps(messageobj)

    def decode(self, encoded):
        """transport layer message -> msg object"""
        return pickle.loads(encoded)