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1   /* Copyright 2004, 2005 Acegi Technology Pty Limited
2    *
3    * Licensed under the Apache License, Version 2.0 (the "License");
4    * you may not use this file except in compliance with the License.
5    * You may obtain a copy of the License at
6    *
7    *     http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  
16  package org.acegisecurity.providers.x509;
17  
18  import org.acegisecurity.userdetails.UserDetails;
19  
20  import java.security.cert.X509Certificate;
21  
22  /***
23   * Provides a cache of {@link UserDetails} objects for the
24   * {@link X509AuthenticationProvider}.
25   * <p>
26   * Similar in function to the {@link org.acegisecurity.providers.dao.UserCache}
27   * used by the Dao provider, but the cache is keyed with the user's certificate
28   * rather than the user name.  
29   * </p>
30   *
31   * @author Luke Taylor
32   * @version $Id: X509UserCache.java,v 1.4 2005/11/29 13:10:08 benalex Exp $
33   */
34  public interface X509UserCache {
35  
36      UserDetails getUserFromCache(X509Certificate userCertificate);
37  
38      void putUserInCache(X509Certificate key, UserDetails user);
39  
40      void removeUserFromCache(X509Certificate key);
41  }