/*
* 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.mina.util;
import org.apache.mina.common.IoSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Provides utility methods to log protocol-specific messages.
* <p>
* Set {@link #PREFIX} and {@link #LOGGER} session attributes
* to override prefix string and logger.
*
* @author The Apache Directory Project (mina-dev@directory.apache.org)
* @version $Rev: 451854 $, $Date: 2006-10-02 11:30:11 +0900 (월, 02 10월 2006) $
*
*/
public class SessionLog {
/**
* Session attribute key: prefix string
*/
public static final String PREFIX = SessionLog.class.getName() + ".prefix";
/**
* Session attribute key: {@link Logger}
*/
public static final String LOGGER = SessionLog.class.getName() + ".logger";
private static Class getClass( IoSession session )
{
return session.getHandler().getClass();
}
public static void debug( IoSession session, String message )
{
Logger log = getLogger( session );
if( log.isDebugEnabled() )
{
log.debug( String.valueOf( session.getAttribute( PREFIX ) ) + message );
}
}
public static void debug( IoSession session, String message, Throwable cause )
{
Logger log = getLogger( session );
if( log.isDebugEnabled() )
{
log.debug( String.valueOf( session.getAttribute( PREFIX ) ) + message, cause );
}
}
public static void info( IoSession session, String message )
{
Logger log = getLogger( session );
if( log.isInfoEnabled() )
{
log.info( String.valueOf( session.getAttribute( PREFIX ) ) + message );
}
}
public static void info( IoSession session, String message, Throwable cause )
{
Logger log = getLogger( session );
if( log.isInfoEnabled() )
{
log.info( String.valueOf( session.getAttribute( PREFIX ) ) + message, cause );
}
}
public static void warn( IoSession session, String message )
{
Logger log = getLogger( session );
if( log.isWarnEnabled() )
{
log.warn( String.valueOf( session.getAttribute( PREFIX ) ) + message );
}
}
public static void warn( IoSession session, String message, Throwable cause )
{
Logger log = getLogger( session );
if( log.isWarnEnabled() )
{
log.warn( String.valueOf( session.getAttribute( PREFIX ) ) + message, cause );
}
}
public static void error( IoSession session, String message )
{
Logger log = getLogger( session );
if( log.isErrorEnabled() )
{
log.error( String.valueOf( session.getAttribute( PREFIX ) ) + message );
}
}
public static void error( IoSession session, String message, Throwable cause )
{
Logger log = getLogger( session );
if( log.isErrorEnabled() )
{
log.error( String.valueOf( session.getAttribute( PREFIX ) ) + message, cause );
}
}
public static boolean isDebugEnabled( IoSession session )
{
return getLogger( session ).isDebugEnabled();
}
public static boolean isInfoEnabled( IoSession session )
{
return getLogger( session ).isInfoEnabled();
}
public static boolean isWarnEnabled( IoSession session )
{
return getLogger( session ).isWarnEnabled();
}
public static boolean isErrorEnabled( IoSession session )
{
return getLogger( session ).isErrorEnabled();
}
private static Logger getLogger( IoSession session )
{
Logger log = ( Logger ) session.getAttribute( LOGGER );
if( log == null )
{
log = LoggerFactory.getLogger( getClass( session ) );
String prefix = ( String ) session.getAttribute( PREFIX );
if( prefix == null )
{
prefix = "[" + session.getRemoteAddress() + "] ";
session.setAttribute( PREFIX, prefix );
}
session.setAttribute( LOGGER, log );
}
return log;
}
}