/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * 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.acegisecurity.providers.x509;

 import org.acegisecurity.userdetails.UserDetails;

 import java.security.cert.X509Certificate;

 /**

  * Provides a cache of {@link UserDetails} objects for the

  * {@link X509AuthenticationProvider}.

  * <p>

  * Similar in function to the {@link org.acegisecurity.providers.dao.UserCache}

  * used by the Dao provider, but the cache is keyed with the user's certificate

  * rather than the user name.  

  * </p>

  *

  * @author Luke Taylor

  * @version $Id: X509UserCache.java 1496 2006-05-23 13:38:33Z benalex $

  */

 public interface X509UserCache {

     //~ Methods ========================================================================================================

     UserDetails getUserFromCache(X509Certificate userCertificate);

     void putUserInCache(X509Certificate key, UserDetails user);

     void removeUserFromCache(X509Certificate key);

 }