code: public static void listTargets( List<TargetHandler> targetHandlers, Logger logger ) {
  
  		if( targetHandlers.isEmpty()) {
  			logger.info( "No target was found for Roboconf's DM." );
  
  		} else {
  			StringBuilder sb = new StringBuilder( "Available target in Roboconf's DM: " );
  			for( Iterator<TargetHandler> it = targetHandlers.iterator(); it.hasNext(); ) {
  				sb.append( it.next().getTargetId());
  				if( it.hasNext())
  					sb.append( ", " );
  			}
  
  			sb.append( "." );
  			logger.info( sb.toString());
  		}
  	}
docs: This method lists the available target and logs them.