package org.apache.maven.archiva.repository.audit;

 /*

  * 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.

  */

 import org.slf4j.Logger;

 import org.slf4j.LoggerFactory;

 /**

  * AuditLog - Audit Log.

  * 

  * @version $Id: AuditLog.java 756587 2009-03-20 16:35:02Z brett $

  * @plexus.component role="org.apache.maven.archiva.repository.audit.AuditListener" role-hint="logging"

  */

 public class AuditLog

     implements AuditListener

 {

     public static final Logger logger = LoggerFactory.getLogger( "org.apache.archiva.AuditLog" );

     private static final String NONE = "-";

     private static final char DELIM = ' ';

     /**

      * Creates a log message in the following format ...

      * "{repository_id} {user_id} {remote_ip} \"{resource}\" \"{action}\""

      */

     public void auditEvent( AuditEvent event )

     {

         StringBuffer msg = new StringBuffer();

         msg.append( checkNull( event.getRepositoryId() ) ).append( DELIM );

         msg.append( event.getUserId() ).append( DELIM );

         msg.append( checkNull( event.getRemoteIP() ) ).append( DELIM );

         msg.append( '\"' ).append( checkNull( event.getResource() ) ).append( '\"' ).append( DELIM );

         msg.append( '\"' ).append( event.getAction() ).append( '\"' );

         logger.info( msg.toString() );

     }

     private String checkNull( String s )

     {

         return s != null ? s : NONE;

     }

 }