1 /*
2 * Copyright 2006-2011 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
5 * the License. You may obtain a copy of the License at
6 *
7 * https://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
10 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
11 * specific language governing permissions and limitations under the License.
12 */
13 package org.springframework.security.oauth2.provider.token;
14
15 import org.springframework.security.oauth2.provider.OAuth2Authentication;
16
17 /**
18 * Strategy interface for extracting a unique key from an {@link OAuth2Authentication}.
19 *
20 * @author Dave Syer
21 *
22 */
23 public interface AuthenticationKeyGenerator {
24
25 /**
26 * @param authentication an OAuth2Authentication
27 * @return a unique key identifying the authentication
28 */
29 String extractKey(OAuth2Authentication authentication);
30
31 }