org.apache.activemq.jaas.JassCredentialCallbackHandler Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.jaas;
import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
/**
* A JASS username password CallbackHandler.
*/
public class JassCredentialCallbackHandler implements CallbackHandler {
private final String username;
private final String password;
public JassCredentialCallbackHandler(String username, String password) {
this.username = username;
this.password = password;
}
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
for (int i = 0; i < callbacks.length; i++) {
Callback callback = callbacks[i];
if (callback instanceof PasswordCallback) {
PasswordCallback passwordCallback = (PasswordCallback)callback;
if (password == null) {
passwordCallback.setPassword(null);
} else {
passwordCallback.setPassword(password.toCharArray());
}
} else if (callback instanceof NameCallback) {
NameCallback nameCallback = (NameCallback)callback;
if (username == null) {
nameCallback.setName(null);
} else {
nameCallback.setName(username);
}
}
}
}
}