[Zope3-checkins] CVS: Zope3/lib/python/Zope/App/FSSync - FSRegistry.py:1.1.2.1

[Naveen P]

Update of /cvs-repository/Zope3/lib/python/Zope/App/FSSync
In directory cvs.zope.org:/tmp/cvs-serv32465

Added Files:
      Tag: FileSystemSync-branch
	FSRegistry.py 
Log Message:
FSRegistry Created by naveen


=== Added File Zope3/lib/python/Zope/App/FSSync/FSRegistry.py ===
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors.
# All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# 
##############################################################################
"""
$Id: FSRegistry.py,v 1.1.2.1 2002/10/11 12:30:49 pnaveen Exp $
"""
from IGlobalFSSyncService import IGlobalFSSyncService
from Zope.Exceptions import DuplicationError

class FSRegistry:
    """Regsitory Wrapper class - It is Maping from Class -> Serializer Factory Method
    """
    __implements__ = IGlobalFSSyncService

    def __init__(self):
	self._class_factory_reg = {}

    def querySynchronizer(self, object):
        """Return factory method for a given class.
	
        The factory is returned of the object if None of the 
 	Factory method is present return None
        """

	factory = self._class_factory_reg.get(object.__class__)
        if factory is not None:
            return factory(object)
        return None


    def provideSynchronizer(self,class_, factory):
        """sets class_,factory into the dictionary 
        """
	if class_ in self._class_factory_reg:
		raise  DuplicationError
	else:
		self._class_factory_reg[class_] = factory