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Java > Open Source Codes > org > apache > geronimo > security > realm > providers > CertificateCallbackHandler


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. 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 JavaDoc;
20 import java.security.cert.X509Certificate JavaDoc;
21 import javax.security.auth.callback.Callback JavaDoc;
22 import javax.security.auth.callback.UnsupportedCallbackException JavaDoc;
23
24 /**
25  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
26  */
27 public class CertificateCallbackHandler implements ClearableCallbackHandler {
28     X509Certificate JavaDoc certificate;
29     public CertificateCallbackHandler(X509Certificate JavaDoc certificate) {
30         this.certificate = certificate;
31     }
32
33     public void handle(Callback JavaDoc[] callbacks) throws IOException JavaDoc, UnsupportedCallbackException JavaDoc {
34         for (int i = 0; i < callbacks.length; i++) {
35             Callback JavaDoc callback = callbacks[i];
36             if (callback instanceof CertificateCallback) {
37                 CertificateCallback cc = (CertificateCallback) callback;
38                 cc.setCertificate(certificate);
39             } else {
40                 throw new UnsupportedCallbackException JavaDoc(callback);
41             }
42         }
43     }
44
45     public void clear() {
46         certificate = null;
47     }
48 }
49
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