View Javadoc

1   /**
2    *
3    * Copyright 2005 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.geronimo.security.realm.providers;
18  
19  import java.io.IOException;
20  import java.security.cert.X509Certificate;
21  import java.security.cert.Certificate;
22  import javax.security.auth.callback.Callback;
23  import javax.security.auth.callback.UnsupportedCallbackException;
24  import javax.security.auth.callback.CallbackHandler;
25  
26  /**
27   * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
28   */
29  public class CertificateChainCallbackHandler implements CallbackHandler {
30      Certificate[] certificateChain;
31  
32      public CertificateChainCallbackHandler(Certificate[] certificateChain) {
33          this.certificateChain = certificateChain;
34      }
35  
36      public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
37          for (int i = 0; i < callbacks.length; i++) {
38              Callback callback = callbacks[i];
39              if (callback instanceof CertificateChainCallback) {
40                  CertificateChainCallback cc = (CertificateChainCallback) callback;
41                  cc.setCertificateChain(certificateChain);
42              } else if (callback instanceof CertificateCallback
43                      && certificateChain != null
44                      && certificateChain.length > 0
45                      && certificateChain[0] instanceof X509Certificate) {
46                  CertificateCallback cc = (CertificateCallback) callback;
47                  cc.setCertificate((X509Certificate) certificateChain[0]);
48              } else {
49                  throw new UnsupportedCallbackException(callback);
50              }
51          }
52      }
53  
54  }