code: public void listPlugins() {
  
  		if( this.plugins.isEmpty()) {
  			this.logger.info( "No plug-in was found for Roboconf's agent." );
  
  		} else {
  			StringBuilder sb = new StringBuilder( "Available plug-ins in Roboconf's agent: " );
  			for( Iterator<PluginInterface> it = this.plugins.iterator(); it.hasNext(); ) {
  				sb.append( it.next().getPluginName());
  				if( it.hasNext())
  					sb.append( ", " );
  			}
  
  			sb.append( "." );
  			this.logger.info( sb.toString());
  		}
  	}
docs: This method lists the available plug-ins and logs it.