private void initLogger() { SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); String dateStr = formatter.format(new Date()); FileHandler fileHandler = null; try { fileHandler = new FileHandler("log/" + dateStr + "_" + getLocalName() + ".log", true); fileHandler.setFormatter(new SimpleFormatter()); } catch (IOException | SecurityException ex) { System.err.println(ex.toString()); } logger = jade.util.Logger.getMyLogger(this.getClass().getName()); logger.addHandler(fileHandler); logger.setLevel(Level.ALL); logger.setUseParentHandlers(false); // zapis tylko do pliku, coby ekranu nie śmiecić }