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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.jaas;
18  
19  import java.io.IOException;
20  import javax.security.auth.callback.Callback;
21  import javax.security.auth.callback.CallbackHandler;
22  import javax.security.auth.callback.NameCallback;
23  import javax.security.auth.callback.PasswordCallback;
24  import javax.security.auth.callback.UnsupportedCallbackException;
25  
26  
27  /**
28   * Convenience callback handler.
29   *
30   * @version $Revision: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
31   */
32  public class UsernamePasswordCallback implements CallbackHandler {
33      private final String username;
34      private final char[] password;
35  
36      public UsernamePasswordCallback(String username, char[] password) {
37          this.username = username;
38          this.password = password;
39      }
40  
41      public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
42          for (int i = 0; i < callbacks.length; i++) {
43              if (callbacks[i] instanceof PasswordCallback) {
44                  ((PasswordCallback) callbacks[i]).setPassword(password);
45              } else if (callbacks[i] instanceof NameCallback) {
46                  ((NameCallback) callbacks[i]).setName(username);
47              }
48          }
49      }
50  }