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 java.util.Collections;
16 import java.util.List;
17
18 import org.springframework.security.oauth2.common.OAuth2AccessToken;
19 import org.springframework.security.oauth2.provider.OAuth2Authentication;
20
21 /**
22 * A composite token enhancer that loops over its delegate enhancers.
23 *
24 * @author Dave Syer
25 *
26 */
27 public class TokenEnhancerChain implements TokenEnhancer {
28
29 private List<TokenEnhancer> delegates = Collections.emptyList();
30
31 /**
32 * @param delegates the delegates to set
33 */
34 public void setTokenEnhancers(List<TokenEnhancer> delegates) {
35 this.delegates = delegates;
36 }
37
38 /**
39 * Loop over the {@link #setTokenEnhancers(List) delegates} passing the result into the next member of the chain.
40 *
41 * @see org.springframework.security.oauth2.provider.token.TokenEnhancer#enhance(org.springframework.security.oauth2.common.OAuth2AccessToken,
42 * org.springframework.security.oauth2.provider.OAuth2Authentication)
43 */
44 public OAuth2AccessToken../../../org/springframework/security/oauth2/common/OAuth2AccessToken.html#OAuth2AccessToken">OAuth2AccessToken enhance(OAuth2AccessToken accessToken, OAuth2Authentication authentication) {
45 OAuth2AccessToken result = accessToken;
46 for (TokenEnhancer enhancer : delegates) {
47 result = enhancer.enhance(result, authentication);
48 }
49 return result;
50 }
51
52 }