/*
* 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);
}