# -*- coding: utf-8 -*-

#Copyright (C) 2009  Sandro Knauß <bugs@sandroknauss.de>

#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 3 of the License, or 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, see <http://www.gnu.org/licenses/>.

class Providerlist:

    def __init__(self):

        self.provider={}

        self.types={}

        self.defaults={}

    def add(self, name, provider, typeslist):

        self.provider[name]={"name":name, "class":provider, "types":typeslist}

        for stype in typeslist:

            try:

                self.types[stype].append(self.provider[name])

            except KeyError:

                self.types[stype]=[self.provider[name]]

    def setDefault(self, stype, name):

        self.defaults[stype]=self.provider[name]

    def getDefault(self, stype):

        return self.defaults[stype]

    def getProviderlist(self, stype):

        llist=[ provider["name"] for provider in self.types[stype] ]

        llist.sort()

        return llist

    def getProvider(self, stype,  name="default"):

        if name=="default":

            return self.getDefault(stype)["class"]

        if not stype in self.provider[name] ["types"]:

            raise "argh"

        return self.provider[name]["class"]