Examples of java.util.logging.Logger.addHandler()

java.util.logging.Logger.addHandler()
Add a log Handler to receive logging messages.
By default, Loggers also send their output to their parent logger. Typically the root Logger is configured with a set of Handlers that essentially act as default handlers for all loggers. @param handler a logging Handler @exception SecurityException if a security manager exists and ifthe caller does not have LoggingPermission("control").

            logger.setUseParentHandlers(false);


            //for (Handler h: logger.getHandlers()) logger.removeHandler(h);
            if (!dataPath.getAbsolutePath().equals(appPath.getAbsolutePath())) {
                final FileHandler handler = new FileHandler(logPattern, 1024*1024, 20, true);
                logger.addHandler(handler);
            }


            // redirect uncaught exceptions to logging
            final Log exceptionLog = new Log("UNCAUGHT-EXCEPTION");
            Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler(){

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        ch.setFormatter(new LogFormatter());
        
        //Logger http = Logger.getLogger("proxy");
          Logger http = Logger.getLogger("org.xlightweb");
        http.setLevel(Level.FINE);
        http.addHandler(ch);    
        
        Logger http2 = Logger.getLogger("org.xsocket.connection.NonBlockingConnectionPool");
        http2.setLevel(Level.FINE);
        http2.addHandler(ch);
      }

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        http.setLevel(Level.FINE);
        http.addHandler(ch);    
        
        Logger http2 = Logger.getLogger("org.xsocket.connection.NonBlockingConnectionPool");
        http2.setLevel(Level.FINE);
        http2.addHandler(ch);
      }
      
      
      if (arg.equalsIgnoreCase("-printMessage")) {
        params.remove(arg);

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            if (logOpt.isSet()) {
                Level level = Level.parse(logOpt.getValue());
                Handler h = new StreamHandler(stream, logFormatter);
                h.setLevel(level);
                Logger rootLogger = Logger.getLogger("");
                rootLogger.addHandler(h);
                rootLogger.setLevel(level);
            }
        }
        return parseOk;
    }

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                consoleHandler.setLevel(Level.INFO);
                lm.readConfiguration(
                        FrameworkLogger.class.getResourceAsStream(
                        "/org/hsqldb/resources/jdklogging-default.properties"));
                Logger cmdlineLogger = Logger.getLogger("org.hsqldb.cmdline");
                cmdlineLogger.addHandler(consoleHandler);
                cmdlineLogger.setUseParentHandlers(false);
            } else {
                // Do not intervene.  Use JDK logging exactly as configured by
                // user.
                lm.readConfiguration();

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      result = wm;
      String preScript = System.getProperty("wrapper.app.pre_main.script");
      if (preScript != null & !"".equals(preScript))
      {
        Logger logger = new MyLogger();
        logger.addHandler(new ConsoleHandler());
        wm.executeScript(preScript, wrapperClassLoader);
      }


    }
    catch (Exception e1)

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    String preScript = System.getProperty("wrapper.app.pre.script");
    if (preScript != null & !"".equals(preScript))
      try
      {
        Logger logger = new MyLogger();
        logger.addHandler(new ConsoleHandler());
        System.out.println("wrapped process: executing pre script " + preScript);
        Script script = ScriptFactory.createScript(preScript, "", null, new String[0], null, 0);
        if (script != null)
          script.execute();
        else

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            }
            synchronized (main) {
                if(!_logInit){
                    main.setLevel(Level.INFO);
                    try {
                        main.addHandler(_logHandler);
                        _logHandler.setFormatter(_logFormatter);
                        _logHandler.setLevel(Level.FINEST);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }

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    final Logger log = Logger.getLogger("");
    if (log.getHandlers().length == 0) {
      // SET DEFAULT LOG FORMATTER
      Handler h = new ConsoleHandler();
      h.setFormatter(new OLogFormatter());
      log.addHandler(h);
    } else {
      for (Handler h : log.getHandlers()) {
        if (h instanceof ConsoleHandler && !h.getFormatter().getClass().equals(OLogFormatter.class))
          h.setFormatter(new OLogFormatter());
      }

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    Logger log = Logger.getLogger("");
    if (log.getHandlers().length == 0) {
      // SET DEFAULT LOG FORMATTER
      Handler h = new ConsoleHandler();
      h.setFormatter(new OLogFormatter());
      log.addHandler(h);
    } else {
      for (Handler h : log.getHandlers()) {
        if (h instanceof ConsoleHandler && !h.getFormatter().getClass().equals(OLogFormatter.class))
          h.setFormatter(new OLogFormatter());
      }

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