01: /**
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: */package org.apache.geronimo.jmxremoting;
17:
18: import java.util.Arrays;
19: import java.io.Serializable;
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: * Simple wrapper for a username and password.
28: *
29: * @version $Rev: 476049 $ $Date: 2006-11-16 20:35:17 -0800 (Thu, 16 Nov 2006) $
30: */
31: public class Credentials implements CallbackHandler, Serializable {
32: private final String username;
33: private final char[] password;
34:
35: public Credentials(String username, String password) {
36: this .username = username;
37: this .password = password == null ? null : password
38: .toCharArray();
39: }
40:
41: public void handle(Callback[] callbacks)
42: throws UnsupportedCallbackException {
43: for (int i = 0; i < callbacks.length; i++) {
44: Callback callback = callbacks[i];
45: if (callback instanceof NameCallback) {
46: NameCallback nc = (NameCallback) callback;
47: nc.setName(username);
48: } else if (callback instanceof PasswordCallback) {
49: PasswordCallback pc = (PasswordCallback) callback;
50: pc.setPassword(password);
51: } else {
52: throw new UnsupportedCallbackException(callback);
53: }
54: }
55: }
56:
57: public void clear() {
58: if (password != null) {
59: Arrays.fill(password, '\0');
60: }
61: }
62: }
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