package org.apache.maven.wagon.mercury;

 import org.apache.maven.wagon.events.TransferEvent;

 import org.apache.maven.wagon.events.TransferListener;

 import org.slf4j.Logger;

 import org.slf4j.LoggerFactory;

 /**

  *

  *

  * @author Oleg Gusakov

  * @version $Id$

  *

  */

 public class TransferEventDebugger

 implements TransferListener

 {

   public static final String SYSTEM_PARAMETER_DEBUG_TRANSFER_BYTES = "maven.mercury.wagon.debug.transfer.bytes";

   private boolean debugTransferBytes = Boolean.parseBoolean( System.getProperty( SYSTEM_PARAMETER_DEBUG_TRANSFER_BYTES, "false" ) );

   private static final Logger _log = LoggerFactory.getLogger(TransferEventDebugger.class);

   public void debug( String message )

   {

   }

   public void transferCompleted(

       TransferEvent transferEvent )

   {

     _log.info("|=============>   completed: "+transferEvent.getResource().getName() );

   }

   public void transferError( TransferEvent transferEvent )

   {

     _log.info("|=============>   error: "+transferEvent.getResource().getName() );

   }

   public void transferInitiated( TransferEvent transferEvent )

   {

     _log.info("|=============>   initialized: "+transferEvent.getResource().getName() );

   }

   public void transferProgress(

       TransferEvent transferEvent,

       byte[] buffer,

       int length )

   {

     if( debugTransferBytes )

       _log.info("|=============>   ready "+length+" bytes : "+transferEvent.getResource().getName() );

   }

   public void transferStarted(

       TransferEvent transferEvent )

   {

     _log.info("|=============>   started: "+transferEvent.getResource().getName() );

   }

 }