public static void main(String args[]) { ConsoleHandler ch = new ConsoleHandler(); ch.setLevel(Level.FINEST); JavaLN l = new JavaLN(); l.setLevel(Level.FINEST); l.addHandler(ch); l.setUseParentHandlers(false); l.info(l.toString()); l.severe("this is a test"); l.entering("not", "needed"); // check for call to base class l.entering(); l.entering(new Integer(10)); l.entering(args); l.entering(new Object[] {new Integer(1), "one"}); l.exiting(); l.exiting("exiting"); l.throwing(new Throwable("Throwable message")); JavaLN m = new JavaLN("one"); m.severe(m.toString()); m.severe("this is another test"); JavaLN n = new JavaLN("two", null); n.severe(n.toString()); n.severe("this is a third test"); n.warning(new Throwable("this is a test")); }
private void initLogger() { ConsoleHandler consoleHandler = null; Logger rootLogger = LogManager.getLogManager().getLogger(""); Handler[] handlers = rootLogger.getHandlers(); for (Handler handler : handlers) { if (handler instanceof ConsoleHandler) { consoleHandler = (ConsoleHandler) handler; rootLogger.removeHandler(handler); } } logger = Logger.getLogger(contextId); logger.setLevel(logLevel); if (!logLevel.equals(Level.OFF)) { LogFormatter formatter = new LogFormatter(); if (consoleLog) { if (consoleHandler == null) { consoleHandler = new ConsoleHandler(); } consoleHandler.setFormatter(formatter); consoleHandler.setLevel(logLevel); logger.addHandler(consoleHandler); } String userHomePath = getProperty("user.home", "."); File logDir = new File(userHomePath, '.' + contextId + "/log"); logDir.mkdirs(); String logFilePattern = new File(logDir, contextId + "-%g.log").getPath(); try { FileHandler fileHandler = new FileHandler(logFilePattern); fileHandler.setFormatter(formatter); fileHandler.setLevel(logLevel); logger.addHandler(fileHandler); } catch (IOException e) { System.err.println("Error: Failed to create log file: " + logFilePattern); } } }