def __init__(self, jid=None, node='', domain='', resource=''):
'''This constructor allows the use of JID(node='foo'), since we do
have a notion of default domain. If the default domain was not
initialized, pyxmpp's JID will still raise a ValueError.'''
if jid is None and ('' == domain):
domain = self.domain
XJID.__init__(self, jid, node, domain, resource)
