1 | // Copyright 2004-2007 Jean-Francois Poilpret |
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 | package net.sourceforge.hivelock; |
16 | |
17 | import java.security.Principal; |
18 | |
19 | // singleton |
20 | public class DefaultPrincipalHelperImpl implements PrincipalHelperService |
21 | { |
22 | public String getLogin(Principal userPrincipal) |
23 | { |
24 | return getPrincipal(userPrincipal).getLogin(); |
25 | } |
26 | |
27 | public String getName(Principal userPrincipal) |
28 | { |
29 | return getPrincipal(userPrincipal).getName(); |
30 | } |
31 | |
32 | public String[] getRoles(Principal userPrincipal) |
33 | { |
34 | return getPrincipal(userPrincipal).getRoles(); |
35 | } |
36 | |
37 | private DefaultPrincipal getPrincipal(Principal userPrincipal) |
38 | { |
39 | if (userPrincipal == null) |
40 | { |
41 | throw new SecurityException("Principal argument must not be null"); |
42 | } |
43 | if (userPrincipal instanceof DefaultPrincipal) |
44 | { |
45 | return (DefaultPrincipal) userPrincipal; |
46 | } |
47 | throw new SecurityException("Unknown Principal class " + userPrincipal.getClass()); |
48 | } |
49 | } |