001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020 package org.apache.directory.server.kerberos.shared.jaas;
021
022
023 import java.io.IOException;
024
025 import javax.security.auth.callback.Callback;
026 import javax.security.auth.callback.CallbackHandler;
027 import javax.security.auth.callback.NameCallback;
028 import javax.security.auth.callback.PasswordCallback;
029 import javax.security.auth.callback.UnsupportedCallbackException;
030
031
032 /**
033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
034 * @version $Rev: 540371 $, $Date: 2007-05-22 03:00:43 +0300 (Tue, 22 May 2007) $
035 */
036 public class CallbackHandlerBean implements CallbackHandler
037 {
038 private String name;
039 private String password;
040
041
042 /**
043 * Creates a new instance of CallbackHandlerBean.
044 *
045 * @param name
046 * @param password
047 */
048 public CallbackHandlerBean( String name, String password )
049 {
050 this.name = name;
051 this.password = password;
052 }
053
054
055 public void handle( Callback[] callbacks ) throws UnsupportedCallbackException, IOException
056 {
057 for ( int ii = 0; ii < callbacks.length; ii++ )
058 {
059 Callback callBack = callbacks[ii];
060
061 // Handles username callback.
062 if ( callBack instanceof NameCallback )
063 {
064 NameCallback nameCallback = ( NameCallback ) callBack;
065 nameCallback.setName( name );
066 // Handles password callback.
067 }
068 else if ( callBack instanceof PasswordCallback )
069 {
070 PasswordCallback passwordCallback = ( PasswordCallback ) callBack;
071 passwordCallback.setPassword( password.toCharArray() );
072 }
073 else
074 {
075 throw new UnsupportedCallbackException( callBack, "Callback not supported" );
076 }
077 }
078 }
079 }