/* * Copyright 2006-2011 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * specific language governing permissions and limitations under the License. */ package org.springframework.security.oauth2.provider.token; import org.springframework.security.oauth2.provider.OAuth2Authentication; /** * Strategy interface for extracting a unique key from an {@link OAuth2Authentication}. * * @author Dave Syer * */ public interface AuthenticationKeyGenerator { /** * @param authentication an OAuth2Authentication * @return a unique key identifying the authentication */ String extractKey(OAuth2Authentication authentication); }