Вынос MAC адреса из cisco-avp-pair в Calling-Station-Id для модуля Inet

package ru.locotelecom.bgbilling.modules.inet.dyn;
 
import org.apache.log4j.Logger;
import java.util.List;
import bitel.billing.server.radius.RadiusStandartAttributes;
import ru.bitel.bgbilling.kernel.network.radius.RadiusAttribute;
import ru.bitel.bgbilling.kernel.network.radius.RadiusPacket;
import ru.bitel.bgbilling.kernel.network.radius.RadiusProtocolHandler;
import ru.bitel.bgbilling.modules.inet.dyn.device.radius.AbstractRadiusProtocolHandler;
import ru.bitel.common.sql.ConnectionSet;
 
public class DeviceProtoHandler 
extends AbstractRadiusProtocolHandler 
implements RadiusProtocolHandler
{   
   private static final Logger logger = Logger.getLogger( DeviceProtoHandler.class );
 
   private void setMAC( RadiusPacket request )
   {
      String prefix = "client-mac-address=";
      boolean flag=false;
      List<RadiusAttribute<?>> attributes = request.getAttributes(9,1); 
      if( attributes != null ) 
      {
         for( RadiusAttribute<?> attr : attributes )
         {
              String value = ((RadiusAttribute<String>)attr).getValue();
             if( value.startsWith( prefix ) )
              {
                 request.setStringAttribute( RadiusStandartAttributes.Calling_Station_Id, value.replaceAll(prefix,"") );
               flag=true;
              }
         }
         if (!flag)
         {
            flag=true;
            logger.warn( "Not found 'client-mac-address=' prefix" );
         }   
      }
      if (!flag)
      {
         logger.warn( "Not found attributes" );
      }
 
   }   
 
   @Override
   public void preprocessAccessRequest( RadiusPacket request, RadiusPacket response, ConnectionSet connectionSet )
       throws Exception
   {
      super.preprocessAccessRequest( request, response, connectionSet );
      setMAC( request );
   }
}