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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.client;
14  
15  import org.springframework.security.oauth2.client.token.AccessTokenRequest;
16  import org.springframework.security.oauth2.common.OAuth2AccessToken;
17  
18  /**
19   * @author Dave Syer
20   * 
21   */
22  public interface OAuth2ClientContext {
23  
24  	/**
25  	 * @return the current access token if any (may be null or empty)
26  	 */
27  	OAuth2AccessToken getAccessToken();
28  
29  	/**
30  	 * @param accessToken the current access token
31  	 */
32  	void setAccessToken(OAuth2AccessToken accessToken);
33  
34  	/**
35  	 * @return the current request if any (may be null or empty)
36  	 */
37  	AccessTokenRequest getAccessTokenRequest();
38  
39  	/**
40  	 * Convenience method for saving state in the {@link OAuth2ClientContext}.
41  	 * 
42  	 * @param stateKey the key to use to save the state
43  	 * @param preservedState the state to be saved
44  	 */
45  	void setPreservedState(String stateKey, Object preservedState);
46  
47  	/**
48  	 * @param stateKey the state key to lookup
49  	 * @return the state preserved with this key (if any)
50  	 */
51  	Object removePreservedState(String stateKey);
52  
53  }