1 /* Copyright 2004 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.dao.cache;
17
18 import org.acegisecurity.providers.dao.UserCache;
19 import org.acegisecurity.userdetails.UserDetails;
20
21
22 /***
23 * Does not perform any caching.
24 *
25 * @author Ben Alex
26 * @version $Id: NullUserCache.java,v 1.6 2005/11/29 13:10:11 benalex Exp $
27 */
28 public class NullUserCache implements UserCache {
29 //~ Methods ================================================================
30
31 public UserDetails getUserFromCache(String username) {
32 return null;
33 }
34
35 public void putUserInCache(UserDetails user) {}
36
37 public void removeUserFromCache(String username) {}
38 }