#!/usr/bin/python
# -*- coding: utf-8 -*-

"""
SAT: a jabber client
Copyright (C) 2009, 2010, 2011, 2012  Jérôme Poisson (goffi@goffi.org)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 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 Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""



class JID(unicode):
    """This class help manage JID (Node@Domaine/Resource)"""

    def __new__(cls, jid):
        self = unicode.__new__(cls, jid)
        self.__parse()
        return self

    def __parse(self):
        """find node domaine and resource"""
        node_end=self.find('@')
        if node_end<0:
            node_end=0
        domain_end=self.find('/')
        if domain_end<1:
            domain_end=len(self)
        self.node=self[:node_end]
        self.domain=self[(node_end+1) if node_end else 0:domain_end]
        self.resource=self[domain_end+1:]
        if not node_end:
            self.short=self
        else:
            self.short=self.node+'@'+self.domain

    def is_valid(self):
        """return True if the jid is xmpp compliant"""
        #FIXME: always return True for the moment
        return True