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## Copyright (C) 2001-2005 Red Hat, Inc.
## Copyright (C) 2001-2005 Harald Hoyer <harald@redhat.com>
## 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., 675 Mass Ave, Cambridge, MA 02139, USA.
_devFac = None
from netconfpkg.NC_functions import log
def getDeviceFactory():
global _devFac
if _devFac == None:
_devFac = DeviceFactory()
return _devFac
#from NC_functions import *
from netconfpkg.NCDevice import Device
class DeviceFactory(dict):
def register(self, theclass, devtype, subtype = None):
log.log(5, "Register %s %s" % (str(theclass), str(devtype)))
if not issubclass(theclass, Device):
raise ValueError, "first argument has to be a subclass of Device"
if not subtype:
if self.has_key(devtype):
#raise KeyError, "%s is already registered" % devtype
log.log(1, "KeyError, %s is already registered" % devtype)
return
else:
self[devtype] = { 0 : theclass }
else:
if self.has_key(devtype) and self[devtype].has_key(subtype):
#raise KeyError, "%s.%s is already registered" % (devtype, subtype)
log.log(1, "KeyError, %s.%s is already registered" % (devtype, subtype))
return
else:
if not self.has_key(devtype):
self[devtype] = {}
self[devtype][subtype] = theclass
def getDeviceClass(self, devtype, subtype = None):
if not self.has_key(devtype):
log.log(1, "Error: %s not in DeviceFactory!" % devtype)
return Device
if subtype and self[devtype].has_key(subtype):
return self[devtype][subtype]
else:
return self[devtype][0]
from netconfpkg.plugins import *
__author__ = "Harald Hoyer <harald@redhat.com>"
__date__ = "$Date: 2005/03/03 17:25:25 $"
__version__ = "$Revision: 1.11 $"
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