1 /* Copyright 2004, 2005, 2006 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.springframework.security;
17
18 import org.springframework.security.providers.anonymous.AnonymousAuthenticationToken;
19 import org.springframework.security.providers.rememberme.RememberMeAuthenticationToken;
20
21
22 /**
23 * Basic implementation of {@link AuthenticationTrustResolver}.<p>Makes trust decisions based on whether the passed
24 * <code>Authentication</code> is an instance of a defined class.</p>
25 * <p>If {@link #anonymousClass} or {@link #rememberMeClass} is <code>null</code>, the corresponding method will
26 * always return <code>false</code>.</p>
27 *
28 * @author Ben Alex
29 * @version $Id: AuthenticationTrustResolverImpl.java 2217 2007-10-27 00:45:30Z luke_t $
30 */
31 public class AuthenticationTrustResolverImpl implements AuthenticationTrustResolver {
32 //~ Instance fields ================================================================================================
33
34 private Class anonymousClass = AnonymousAuthenticationToken.class;
35 private Class rememberMeClass = RememberMeAuthenticationToken.class;
36
37 //~ Methods ========================================================================================================
38
39 public Class getAnonymousClass() {
40 return anonymousClass;
41 }
42
43 public Class getRememberMeClass() {
44 return rememberMeClass;
45 }
46
47 public boolean isAnonymous(Authentication authentication) {
48 if ((anonymousClass == null) || (authentication == null)) {
49 return false;
50 }
51
52 return anonymousClass.isAssignableFrom(authentication.getClass());
53 }
54
55 public boolean isRememberMe(Authentication authentication) {
56 if ((rememberMeClass == null) || (authentication == null)) {
57 return false;
58 }
59
60 return rememberMeClass.isAssignableFrom(authentication.getClass());
61 }
62
63 public void setAnonymousClass(Class anonymousClass) {
64 this.anonymousClass = anonymousClass;
65 }
66
67 public void setRememberMeClass(Class rememberMeClass) {
68 this.rememberMeClass = rememberMeClass;
69 }
70 }