01: /**********************************************************************************
02: * $URL: https://source.sakaiproject.org/svn/user/tags/sakai_2-4-1/user-api/api/src/java/org/sakaiproject/user/cover/AuthenticationManager.java $
03: * $Id: AuthenticationManager.java 7194 2006-03-29 02:18:22Z ggolden@umich.edu $
04: ***********************************************************************************
05: *
06: * Copyright (c) 2005, 2006 The Sakai Foundation.
07: *
08: * Licensed under the Educational Community License, Version 1.0 (the "License");
09: * you may not use this file except in compliance with the License.
10: * You may obtain a copy of the License at
11: *
12: * http://www.opensource.org/licenses/ecl1.php
13: *
14: * Unless required by applicable law or agreed to in writing, software
15: * distributed under the License is distributed on an "AS IS" BASIS,
16: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: * See the License for the specific language governing permissions and
18: * limitations under the License.
19: *
20: **********************************************************************************/package org.sakaiproject.user.cover;
21:
22: import org.sakaiproject.component.cover.ComponentManager;
23:
24: /**
25: * <p>
26: * AuthenticationManager is a static Cover for the {@link org.sakaiproject.user.api.AuthenticationManager AuthenticationManager}; see that interface for usage details.
27: * </p>
28: */
29: public class AuthenticationManager {
30: /** Possibly cached component instance. */
31: private static org.sakaiproject.user.api.AuthenticationManager m_instance = null;
32:
33: /**
34: * Access the component instance: special cover only method.
35: *
36: * @return the component instance.
37: */
38: public static org.sakaiproject.user.api.AuthenticationManager getInstance() {
39: if (ComponentManager.CACHE_COMPONENTS) {
40: if (m_instance == null)
41: m_instance = (org.sakaiproject.user.api.AuthenticationManager) ComponentManager
42: .get(org.sakaiproject.user.api.AuthenticationManager.class);
43: return m_instance;
44: } else {
45: return (org.sakaiproject.user.api.AuthenticationManager) ComponentManager
46: .get(org.sakaiproject.user.api.AuthenticationManager.class);
47: }
48: }
49:
50: public static org.sakaiproject.user.api.Authentication authenticate(
51: org.sakaiproject.user.api.Evidence param0)
52: throws org.sakaiproject.user.api.AuthenticationException {
53: org.sakaiproject.user.api.AuthenticationManager manager = getInstance();
54: if (manager == null)
55: return null;
56:
57: return manager.authenticate(param0);
58: }
59: }
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