Source code: org/acegisecurity/runas/NullRunAsManager.java
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.runas;
17
18 import org.acegisecurity.Authentication;
19 import org.acegisecurity.ConfigAttribute;
20 import org.acegisecurity.ConfigAttributeDefinition;
21 import org.acegisecurity.RunAsManager;
22
23
24 /**
25 * Implementation of a {@link RunAsManager} that does nothing.
26 *
27 * <p>
28 * This class should be used if you do not require run-as authenticaiton
29 * replacement functionality.
30 * </p>
31 *
32 * @author Ben Alex
33 * @version $Id: NullRunAsManager.java,v 1.2 2005/11/17 00:55:51 benalex Exp $
34 */
35 public class NullRunAsManager implements RunAsManager {
36 //~ Methods ================================================================
37
38 public Authentication buildRunAs(Authentication authentication,
39 Object object, ConfigAttributeDefinition config) {
40 return null;
41 }
42
43 public boolean supports(ConfigAttribute attribute) {
44 return false;
45 }
46
47 public boolean supports(Class clazz) {
48 return true;
49 }
50 }