/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * Licensed 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.acegisecurity.event.authentication;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import org.springframework.context.ApplicationEvent;

 import org.springframework.context.ApplicationListener;

 import org.springframework.util.ClassUtils;

 /**

  * Outputs authentication-related application events to Commons Logging.<P>All authentication events are logged at

  * the warning level.</p>

  *

  * @author Ben Alex

  * @version $Id: LoggerListener.java 1845 2007-05-23 06:31:32Z benalex $

  */

 public class LoggerListener implements ApplicationListener {

     //~ Static fields/initializers =====================================================================================

     private static final Log logger = LogFactory.getLog(LoggerListener.class);

     /** If set to true, {@link InteractiveAuthenticationSuccessEvent} will be logged (defaults to true) */

     private boolean logInteractiveAuthenticationSuccessEvents = true;

     //~ Methods ========================================================================================================

     public void onApplicationEvent(ApplicationEvent event) {

         if (event instanceof AbstractAuthenticationEvent) {

             AbstractAuthenticationEvent authEvent = (AbstractAuthenticationEvent) event;

             if (!logInteractiveAuthenticationSuccessEvents && authEvent instanceof InteractiveAuthenticationSuccessEvent) {

                     return;

             }

             if (logger.isWarnEnabled()) {

                 String message = "Authentication event " + ClassUtils.getShortName(authEvent.getClass()) + ": "

                     + authEvent.getAuthentication().getName() + "; details: "

                     + authEvent.getAuthentication().getDetails();

                 if (event instanceof AbstractAuthenticationFailureEvent) {

                     message = message + "; exception: "

                         + ((AbstractAuthenticationFailureEvent) event).getException().getMessage();

                 }

                 logger.warn(message);

             }

         }

     }

         public boolean isLogInteractiveAuthenticationSuccessEvents() {

                 return logInteractiveAuthenticationSuccessEvents;

         }

         public void setLogInteractiveAuthenticationSuccessEvents(

                         boolean logInteractiveAuthenticationSuccessEvents) {

                 this.logInteractiveAuthenticationSuccessEvents = logInteractiveAuthenticationSuccessEvents;

         }

 }