View Javadoc

1   /*
2    * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.opensaml.xml.security.x509;
18  
19  import javax.security.auth.x500.X500Principal;
20  
21  /**
22   * Basic implementation of {@link X500DNHandler} which uses the internal built-in mechanisms
23   * provided by {@link X500Principal} directly.
24   */
25  public class InternalX500DNHandler implements X500DNHandler {
26  
27      /** {@inheritDoc} */
28      public byte[] getEncoded(X500Principal principal) {
29          if (principal == null) {
30              throw new NullPointerException("X500Principal may not be null");
31          }
32          return principal.getEncoded();
33      }
34  
35      /** {@inheritDoc} */
36      public String getName(X500Principal principal) {
37          if (principal == null) {
38              throw new NullPointerException("X500Principal may not be null");
39          }
40          return principal.getName();
41      }
42  
43      /** {@inheritDoc} */
44      public String getName(X500Principal principal, String format) {
45          if (principal == null) {
46              throw new NullPointerException("X500Principal may not be null");
47          }
48          return principal.getName(format);
49      }
50  
51      /** {@inheritDoc} */
52      public X500Principal parse(String name) {
53          if (name == null) {
54              throw new NullPointerException("X.500 name string may not be null");
55          }
56          return new X500Principal(name);
57      }
58  
59      /** {@inheritDoc} */
60      public X500Principal parse(byte[] name) {
61          if (name == null) {
62              throw new NullPointerException("X.500 DER-encoded name may not be null");
63          }
64          return new X500Principal(name);
65      }
66  
67      /** {@inheritDoc} */
68      public X500DNHandler clone() {
69          // We don't have any state, just return a new instance to maintain the clone() contract.
70          return new InternalX500DNHandler();
71      }
72  
73  }