001package votorola.a.diff.harvest.auth;// Copyright 2011-2012. Christian Weilbach.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE.
002
003import votorola.a.diff.harvest.cache.AuthDiffMessage;
004import votorola.a.diff.harvest.cache.DiffMessage;
005import votorola.a.diff.harvest.cache.HarvestCache;
006
007/**
008 * Implement this interface to provide the necessary identity mapping and
009 * verification for a specific communication medium. Messages can contain any
010 * type of identity information of the sender (and recipient) of the message. We
011 * need this nickname identity mapped in Cache to the identities of the
012 * VoteServer.
013 * 
014 * @see votorola.a.VoteServer
015 * @see HarvestCache
016 */
017public interface Authenticator {
018    AuthDiffMessage verify(final DiffMessage dmsg) throws Exception;
019}