/* | |
* 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.ki.authc; | |
import java.util.Collection; | |
/** | |
* An <code>AuthenticationListenerRegistrar</code> is a component that is capable of registering interested | |
* {@link AuthenticationListener AuthenticationListener}s that wish to be notified during the authentication | |
* process. | |
* <p/> | |
* This interface only guarantees that registered listeners will be notified during the authentication process. | |
* How that notification occurs is implementation specific (e.g. iteration over a collection, JMS, etc.). | |
* | |
* @author Les Hazlewood | |
* @since 0.9 | |
*/ | |
public interface AuthenticationListenerRegistrar { | |
/** | |
* Sets the <code>AuthenticationListener</code>(s) that wish to be notified during the | |
* authentication process. | |
* @param listeners one or more <code>AuthenticationListener</code>s that should be notified during the | |
* authentication process. | |
*/ | |
void setAuthenticationListeners(Collection<AuthenticationListener> listeners); | |
/** | |
* Registeres a single <code>listener</code> that wishes to be notified during the authentication process. | |
* @param listener the single <code>listener</code> that wishes to be notified during the authentication process. | |
*/ | |
void add(AuthenticationListener listener); | |
/** | |
* Removes a single <code>listener</code> that no longer wishes to be notified during the authentication process. | |
* @param listener the single <code>listener</code> that no longer wishes to be notified during the authentication process. | |
* @return <code>true</code> if the listener was removed (i.e. it was previously registered), or <code>false</code> | |
* if the listener was not removed (i.e. it wasn't registered yet, effectively a no-op). | |
*/ | |
boolean remove(AuthenticationListener listener); | |
} |