1 /**
2 *
3 * Copyright 2004 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.jmxremoting;
18
19 import java.util.Arrays;
20 import java.io.Serializable;
21 import javax.security.auth.callback.Callback;
22 import javax.security.auth.callback.CallbackHandler;
23 import javax.security.auth.callback.NameCallback;
24 import javax.security.auth.callback.PasswordCallback;
25 import javax.security.auth.callback.UnsupportedCallbackException;
26
27 /**
28 * Simple wrapper for a username and password.
29 *
30 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
31 */
32 public class Credentials implements CallbackHandler, Serializable {
33 private final String username;
34 private final char[] password;
35
36 public Credentials(String username, String password) {
37 this.username = username;
38 this.password = password == null ? null : password.toCharArray();
39 }
40
41 public void handle(Callback[] callbacks) throws UnsupportedCallbackException {
42 for (int i = 0; i < callbacks.length; i++) {
43 Callback callback = callbacks[i];
44 if (callback instanceof NameCallback) {
45 NameCallback nc = (NameCallback) callback;
46 nc.setName(username);
47 } else if (callback instanceof PasswordCallback) {
48 PasswordCallback pc = (PasswordCallback) callback;
49 pc.setPassword(password);
50 } else {
51 throw new UnsupportedCallbackException(callback);
52 }
53 }
54 }
55
56 public void clear() {
57 if(password != null) {
58 Arrays.fill(password, '\0');
59 }
60 }
61 }