/*
* 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.shiro.authc;
import org.apache.shiro.subject.PrincipalCollection;
/**
* An {@code AuthenticationListener} listens for notifications while {@code Subject}s authenticate with the system.
*
* @since 0.9
*/
public interface AuthenticationListener {
/**
* Callback triggered when an authentication attempt for a {@code Subject} has succeeded.
*
* @param token the authentication token submitted during the {@code Subject} (user)'s authentication attempt.
* @param info the authentication-related account data acquired after authentication for the corresponding {@code Subject}.
*/
void onSuccess(AuthenticationToken token, AuthenticationInfo info);
/**
* Callback triggered when an authentication attempt for a {@code Subject} has failed.
*
* @param token the authentication token submitted during the {@code Subject} (user)'s authentication attempt.
* @param ae the {@code AuthenticationException} that occurred as a result of the attempt.
*/
void onFailure(AuthenticationToken token, AuthenticationException ae);
/**
* Callback triggered when a {@code Subject} logs-out of the system.
* <p/>
* This method will only be triggered when a Subject explicitly logs-out of the session. It will not
* be triggered if their Session times out.
*
* @param principals the identifying principals of the Subject logging out.
*/
void onLogout(PrincipalCollection principals);
}