01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 */
21 package org.apache.qpid.security;
22
23 import java.io.IOException;
24
25 import javax.security.auth.callback.Callback;
26 import javax.security.auth.callback.NameCallback;
27 import javax.security.auth.callback.PasswordCallback;
28 import javax.security.auth.callback.UnsupportedCallbackException;
29
30 public class UsernamePasswordCallbackHandler implements AMQPCallbackHandler
31 {
32 private String _username;
33 private String _password;
34
35 public void initialise(String username,String password)
36 {
37 _username = username;
38 _password = password;
39 }
40
41 public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException
42 {
43 for (int i = 0; i < callbacks.length; i++)
44 {
45 Callback cb = callbacks[i];
46 if (cb instanceof NameCallback)
47 {
48 ((NameCallback)cb).setName(_username);
49 }
50 else if (cb instanceof PasswordCallback)
51 {
52 ((PasswordCallback)cb).setPassword((_password).toCharArray());
53 }
54 else
55 {
56 throw new UnsupportedCallbackException(cb);
57 }
58 }
59 }
60 }
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