Example usage for java.util.logging Logger addHandler

List of usage examples for java.util.logging Logger addHandler

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Introduction

In this page you can find the example usage for java.util.logging Logger addHandler.

Prototype

public void addHandler(Handler handler) throws SecurityException

Source Link

Document

Add a log Handler to receive logging messages.

Usage

From source file:asl.seedscan.DQAWeb.java

public static void findConsoleHandler() {
    // Locate the global logger's ConsoleHandler if it exists
    Logger globalLogger = Logger.getLogger("");
    for (Handler handler : globalLogger.getHandlers()) {
        if (handler instanceof ConsoleHandler) {
            consoleHandler = handler;//  w w  w  .ja v  a 2 s. c om
            break;
        }
    }

    // Ensure the global logger has an attached ConsoleHandler
    // creating one for it if necessary
    if (consoleHandler == null) {
        consoleHandler = new ConsoleHandler();
        globalLogger.addHandler(consoleHandler);
    }
}

From source file:com.googlecode.jgenhtml.JGenHtmlUtils.java

public static void setLogFormatter(final Logger logger) {
    logger.setUseParentHandlers(false);//from w  w w.j a  v a2s .c  om
    JGenHtmlLogFormatter formatter = new JGenHtmlLogFormatter();
    ConsoleHandler handler = new ConsoleHandler();
    handler.setFormatter(formatter);
    logger.addHandler(handler);
}

From source file:org.openstreetmap.josm.data.cache.JCSCacheManager.java

@SuppressWarnings("resource")
private static void initialize() throws IOException {
    File cacheDir = new File(Main.pref.getCacheDirectory(), "jcs");

    if (!cacheDir.exists() && !cacheDir.mkdirs())
        throw new IOException("Cannot access cache directory");

    File cacheDirLockPath = new File(cacheDir, ".lock");
    if (!cacheDirLockPath.exists() && !cacheDirLockPath.createNewFile()) {
        LOG.log(Level.WARNING, "Cannot create cache dir lock file");
    }/* w  w  w .jav  a 2  s.  c  om*/
    cacheDirLock = new FileOutputStream(cacheDirLockPath).getChannel().tryLock();

    if (cacheDirLock == null)
        LOG.log(Level.WARNING, "Cannot lock cache directory. Will not use disk cache");

    // raising logging level gives ~500x performance gain
    // http://westsworld.dk/blog/2008/01/jcs-and-performance/
    final Logger jcsLog = Logger.getLogger("org.apache.commons.jcs");
    jcsLog.setLevel(Level.INFO);
    jcsLog.setUseParentHandlers(false);
    // we need a separate handler from Main's, as we downgrade LEVEL.INFO to DEBUG level
    Arrays.stream(jcsLog.getHandlers()).forEach(jcsLog::removeHandler);
    jcsLog.addHandler(new Handler() {
        final SimpleFormatter formatter = new SimpleFormatter();

        @Override
        public void publish(LogRecord record) {
            String msg = formatter.formatMessage(record);
            if (record.getLevel().intValue() >= Level.SEVERE.intValue()) {
                Logging.error(msg);
            } else if (record.getLevel().intValue() >= Level.WARNING.intValue()) {
                Logging.warn(msg);
                // downgrade INFO level to debug, as JCS is too verbose at INFO level
            } else if (record.getLevel().intValue() >= Level.INFO.intValue()) {
                Logging.debug(msg);
            } else {
                Logging.trace(msg);
            }
        }

        @Override
        public void flush() {
            // nothing to be done on flush
        }

        @Override
        public void close() {
            // nothing to be done on close
        }
    });

    // this could be moved to external file
    Properties props = new Properties();
    // these are default common to all cache regions
    // use of auxiliary cache and sizing of the caches is done with giving proper geCache(...) params
    // CHECKSTYLE.OFF: SingleSpaceSeparator
    props.setProperty("jcs.default.cacheattributes", CompositeCacheAttributes.class.getCanonicalName());
    props.setProperty("jcs.default.cacheattributes.MaxObjects", DEFAULT_MAX_OBJECTS_IN_MEMORY.get().toString());
    props.setProperty("jcs.default.cacheattributes.UseMemoryShrinker", "true");
    props.setProperty("jcs.default.cacheattributes.DiskUsagePatternName", "UPDATE"); // store elements on disk on put
    props.setProperty("jcs.default.elementattributes", CacheEntryAttributes.class.getCanonicalName());
    props.setProperty("jcs.default.elementattributes.IsEternal", "false");
    props.setProperty("jcs.default.elementattributes.MaxLife", Long.toString(maxObjectTTL));
    props.setProperty("jcs.default.elementattributes.IdleTime", Long.toString(maxObjectTTL));
    props.setProperty("jcs.default.elementattributes.IsSpool", "true");
    // CHECKSTYLE.ON: SingleSpaceSeparator
    CompositeCacheManager cm = CompositeCacheManager.getUnconfiguredInstance();
    cm.configure(props);
    cacheManager = cm;
}

From source file:edu.harvard.iq.dataverse.batch.util.LoggingUtil.java

public static Logger getJobLogger(String jobId) {
    try {/*  w  ww . ja v  a2s .  c o  m*/
        Logger jobLogger = Logger.getLogger("job-" + jobId);
        FileHandler fh;
        String logDir = System.getProperty("com.sun.aas.instanceRoot") + System.getProperty("file.separator")
                + "logs" + System.getProperty("file.separator") + "batch-jobs"
                + System.getProperty("file.separator");
        checkCreateLogDirectory(logDir);
        fh = new FileHandler(logDir + "job-" + jobId + ".log");
        logger.log(Level.INFO, "JOB LOG: " + logDir + "job-" + jobId + ".log");
        jobLogger.addHandler(fh);
        fh.setFormatter(new JobLogFormatter());
        return jobLogger;
    } catch (SecurityException e) {
        logger.log(Level.SEVERE, "Unable to create job logger: " + e.getMessage());
        return null;
    } catch (IOException e) {
        logger.log(Level.SEVERE, "Unable to create job logger: " + e.getMessage());
        return null;
    }
}

From source file:org.spoutcraft.launcher.entrypoint.SpoutcraftLauncher.java

protected static Logger setupLogger() {
    final Logger logger = Utils.getLogger();
    File logDirectory = new File(Utils.getLauncherDirectory(), "logs");
    if (!logDirectory.exists()) {
        logDirectory.mkdir();/*from w  ww .  java  2 s . co m*/
    }
    File logs = new File(logDirectory, "techniclauncher_%D.log");
    RotatingFileHandler fileHandler = new RotatingFileHandler(logs.getPath());

    fileHandler.setFormatter(new TechnicLogFormatter());

    for (Handler h : logger.getHandlers()) {
        logger.removeHandler(h);
    }
    logger.addHandler(fileHandler);

    SpoutcraftLauncher.handler = fileHandler;

    if (params != null && !params.isDebugMode()) {
        logger.setUseParentHandlers(false);

        System.setOut(new PrintStream(new LoggerOutputStream(console, Level.INFO, logger), true));
        System.setErr(new PrintStream(new LoggerOutputStream(console, Level.SEVERE, logger), true));
    }

    Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
        @Override
        public void uncaughtException(Thread t, Throwable e) {
            logger.log(Level.SEVERE, "Unhandled Exception in " + t, e);

            if (errorDialog == null) {
                LauncherFrame frame = null;

                try {
                    frame = Launcher.getFrame();
                } catch (Exception ex) {
                    //This can happen if we have a very early crash- before Launcher initializes
                }

                errorDialog = new ErrorDialog(frame, e);
                errorDialog.setVisible(true);
            }
        }
    });

    return logger;
}

From source file:org.openqa.selenium.server.log.LoggingManager.java

private static File addNewSeleniumFileHandler(Logger currentLogger, RemoteControlConfiguration configuration) {
    try {//from   w  w  w . jav a 2 s.  co  m
        FileHandler fileHandler;
        final File logFile;

        logFile = configuration.getLogOutFile();
        fileHandler = seleniumFileHandlers.get(logFile);
        if (fileHandler == null) {
            fileHandler = registerNewSeleniumFileHandler(logFile);
        }
        fileHandler.setFormatter(new TerseFormatter(true));
        currentLogger.setLevel(Level.FINE);
        fileHandler.setLevel(Level.FINE);
        currentLogger.addHandler(fileHandler);
        return logFile;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.openqa.selenium.server.log.LoggingManager.java

private static void addPerSessionLogger(Logger logger, RemoteControlConfiguration configuration,
        boolean debugMode) {
    if (debugMode) {
        perSessionLogHandler = new DefaultPerSessionLogHandler(configuration.shortTermMemoryLoggerCapacity(),
                Level.FINE, new TerseFormatter(true), configuration.isCaptureOfLogsOnQuitEnabled());
    } else {/*ww  w . j  a  v  a  2  s.  c  om*/
        perSessionLogHandler = new DefaultPerSessionLogHandler(configuration.shortTermMemoryLoggerCapacity(),
                Level.INFO, new TerseFormatter(true), configuration.isCaptureOfLogsOnQuitEnabled());
    }
    logger.addHandler(perSessionLogHandler);
}

From source file:dk.hippogrif.prettyxml.PrettyPrint.java

static String loadConfiguration(String resource) {
    try {//  ww  w  . ja v a  2  s. com
        Properties prop = loadPropertiesResource(resource);

        // logging
        String loggingLevel = prop.getProperty("logging.Level");
        if (loggingLevel != null) {
            Level level = Level.parse(loggingLevel);
            Logger l = Logger.getLogger("dk.hippogrif.prettyxml");
            l.setLevel(level);
            if ("ConsoleHandler".equals(prop.getProperty("logging.Handler"))) {
                ConsoleHandler h = new ConsoleHandler();
                h.setLevel(level);
                l.addHandler(h);
            } else if ("FileHandler".equals(prop.getProperty("logging.Handler"))) {
                FileHandler h = new FileHandler(System.getProperty("user.home") + "/prettyxml.log");
                h.setLevel(level);
                l.addHandler(h);
            }
            logger.config("logging.Level=" + loggingLevel);
        }

        // version
        version = prop.getProperty("version", "");
        logger.config("version=" + version);

        // wellknown encodings
        String s = prop.getProperty("encodings");
        if (s == null) {
            throw new Exception("encodings missing in prettyxml.properties");
        }
        encodings = s.split(";");

        // wellknown property settings
        s = prop.getProperty("settings");
        if (s == null) {
            throw new Exception("settings missing in prettyxml.properties");
        }
        settings = s.split(";");
        setting = new HashMap();
        for (int i = 0; i < settings.length; i++) {
            String name = settings[i];
            Properties props = loadPropertiesResource(name + ".properties");
            checkProperties(props, false);
            setting.put(name, props);
        }

        // wellknown transformations
        s = prop.getProperty("transformations");
        if (s == null) {
            throw new Exception("transformations missing in prettyxml.properties");
        }
        transformations = s.split(";");
        transformation = new HashMap();
        for (int i = 0; i < transformations.length; i++) {
            String name = transformations[i];
            transformation.put(name, mkTransformerResource(name + ".xslt"));
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return version;
}

From source file:net.tradelib.apps.StrategyBacktest.java

public static void run(Strategy strategy) throws Exception {
    // Setup the logging
    System.setProperty("java.util.logging.SimpleFormatter.format",
            "%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS: %4$s: %5$s%n%6$s%n");
    LogManager.getLogManager().reset();
    Logger rootLogger = Logger.getLogger("");
    if (Boolean.parseBoolean(BacktestCfg.instance().getProperty("file.log", "true"))) {
        FileHandler logHandler = new FileHandler("diag.out", 8 * 1024 * 1024, 2, true);
        logHandler.setFormatter(new SimpleFormatter());
        logHandler.setLevel(Level.FINEST);
        rootLogger.addHandler(logHandler);
    }//from w w  w  .  j  a  va 2 s. co m

    if (Boolean.parseBoolean(BacktestCfg.instance().getProperty("console.log", "true"))) {
        ConsoleHandler consoleHandler = new ConsoleHandler();
        consoleHandler.setFormatter(new SimpleFormatter());
        consoleHandler.setLevel(Level.INFO);
        rootLogger.addHandler(consoleHandler);
    }

    rootLogger.setLevel(Level.INFO);

    // Setup Hibernate
    // Configuration configuration = new Configuration();
    // StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties());
    // SessionFactory factory = configuration.buildSessionFactory(builder.build());

    Context context = new Context();
    context.dbUrl = BacktestCfg.instance().getProperty("db.url");

    HistoricalDataFeed hdf = new SQLDataFeed(context);
    hdf.configure(BacktestCfg.instance().getProperty("datafeed.config", "config/datafeed.properties"));
    context.historicalDataFeed = hdf;

    HistoricalReplay hr = new HistoricalReplay(context);
    context.broker = hr;

    strategy.initialize(context);
    strategy.cleanupDb();

    long start = System.nanoTime();
    strategy.start();
    long elapsedTime = System.nanoTime() - start;
    System.out.println("backtest took " + String.format("%.2f secs", (double) elapsedTime / 1e9));

    start = System.nanoTime();
    strategy.updateEndEquity();
    strategy.writeExecutionsAndTrades();
    strategy.writeEquity();
    elapsedTime = System.nanoTime() - start;
    System.out
            .println("writing to the database took " + String.format("%.2f secs", (double) elapsedTime / 1e9));

    System.out.println();

    // Write the strategy totals to the database
    strategy.totalTradeStats();

    // Write the strategy report to the database and obtain the JSON
    // for writing it to the console.
    JsonObject report = strategy.writeStrategyReport();

    JsonArray asa = report.getAsJsonArray("annual_stats");

    String csvPath = BacktestCfg.instance().getProperty("positions.csv.prefix");
    if (!Strings.isNullOrEmpty(csvPath)) {
        csvPath += "-" + strategy.getLastTimestamp().toLocalDate().format(DateTimeFormatter.BASIC_ISO_DATE)
                + ".csv";
    }

    String ordersCsvPath = BacktestCfg.instance().getProperty("orders.csv.suffix");
    if (!Strings.isNullOrEmpty(ordersCsvPath)) {
        ordersCsvPath = strategy.getLastTimestamp().toLocalDate().format(DateTimeFormatter.BASIC_ISO_DATE) + "-"
                + strategy.getName() + ordersCsvPath;
    }

    String actionsPath = BacktestCfg.instance().getProperty("actions.file.suffix");
    if (!Strings.isNullOrEmpty(actionsPath)) {
        actionsPath = strategy.getLastTimestamp().toLocalDate().format(DateTimeFormatter.BASIC_ISO_DATE) + "-"
                + strategy.getName() + actionsPath;
    }

    // If emails are being send out
    String signalText = StrategyText.build(context.dbUrl, strategy.getName(),
            strategy.getLastTimestamp().toLocalDate(), "   ", csvPath, '|');

    System.out.println(signalText);
    System.out.println();

    if (!Strings.isNullOrEmpty(ordersCsvPath)) {
        StrategyText.buildOrdersCsv(context.dbUrl, strategy.getName(),
                strategy.getLastTimestamp().toLocalDate(), ordersCsvPath);
    }

    File actionsFile = Strings.isNullOrEmpty(actionsPath) ? null : new File(actionsPath);

    if (actionsFile != null) {
        FileUtils.writeStringToFile(actionsFile,
                signalText + System.getProperty("line.separator") + System.getProperty("line.separator"));
    }

    String message = "";

    if (asa.size() > 0) {
        // Sort the array
        TreeMap<Integer, Integer> map = new TreeMap<Integer, Integer>();
        for (int ii = 0; ii < asa.size(); ++ii) {
            int year = asa.get(ii).getAsJsonObject().get("year").getAsInt();
            map.put(year, ii);
        }

        for (int id : map.values()) {
            JsonObject jo = asa.get(id).getAsJsonObject();
            String yearStr = String.valueOf(jo.get("year").getAsInt());
            String pnlStr = String.format("$%,d", jo.get("pnl").getAsInt());
            String pnlPctStr = String.format("%.2f%%", jo.get("pnl_pct").getAsDouble());
            String endEqStr = String.format("$%,d", jo.get("end_equity").getAsInt());
            String ddStr = String.format("$%,d", jo.get("maxdd").getAsInt());
            String ddPctStr = String.format("%.2f%%", jo.get("maxdd_pct").getAsDouble());
            String str = yearStr + " PnL: " + pnlStr + ", PnL Pct: " + pnlPctStr + ", End Equity: " + endEqStr
                    + ", MaxDD: " + ddStr + ", Pct MaxDD: " + ddPctStr;
            message += str + "\n";
        }

        String pnlStr = String.format("$%,d", report.get("pnl").getAsInt());
        String pnlPctStr = String.format("%.2f%%", report.get("pnl_pct").getAsDouble());
        String ddStr = String.format("$%,d", report.get("avgdd").getAsInt());
        String ddPctStr = String.format("%.2f%%", report.get("avgdd_pct").getAsDouble());
        String gainToPainStr = String.format("%.4f", report.get("gain_to_pain").getAsDouble());
        String str = "\nAvg PnL: " + pnlStr + ", Pct Avg PnL: " + pnlPctStr + ", Avg DD: " + ddStr
                + ", Pct Avg DD: " + ddPctStr + ", Gain to Pain: " + gainToPainStr;
        message += str + "\n";
    } else {
        message += "\n";
    }

    // Global statistics
    JsonObject jo = report.getAsJsonObject("total_peak");
    String dateStr = jo.get("date").getAsString();
    int maxEndEq = jo.get("equity").getAsInt();
    jo = report.getAsJsonObject("total_maxdd");
    double cash = jo.get("cash").getAsDouble();
    double pct = jo.get("pct").getAsDouble();
    message += "\n" + "Total equity peak [" + dateStr + "]: " + String.format("$%,d", maxEndEq) + "\n"
            + String.format("Current Drawdown: $%,d [%.2f%%]", Math.round(cash), pct) + "\n";

    if (report.has("latest_peak") && report.has("latest_maxdd")) {
        jo = report.getAsJsonObject("latest_peak");
        LocalDate ld = LocalDate.parse(jo.get("date").getAsString(), DateTimeFormatter.ISO_DATE);
        maxEndEq = jo.get("equity").getAsInt();
        jo = report.getAsJsonObject("latest_maxdd");
        cash = jo.get("cash").getAsDouble();
        pct = jo.get("pct").getAsDouble();
        message += "\n" + Integer.toString(ld.getYear()) + " equity peak ["
                + ld.format(DateTimeFormatter.ISO_DATE) + "]: " + String.format("$%,d", maxEndEq) + "\n"
                + String.format("Current Drawdown: $%,d [%.2f%%]", Math.round(cash), pct) + "\n";
    }

    message += "\n" + "Avg Trade PnL: "
            + String.format("$%,d", Math.round(report.get("avg_trade_pnl").getAsDouble())) + ", Max DD: "
            + String.format("$%,d", Math.round(report.get("maxdd").getAsDouble())) + ", Max DD Pct: "
            + String.format("%.2f%%", report.get("maxdd_pct").getAsDouble()) + ", Num Trades: "
            + Integer.toString(report.get("num_trades").getAsInt());

    System.out.println(message);

    if (actionsFile != null) {
        FileUtils.writeStringToFile(actionsFile, message + System.getProperty("line.separator"), true);
    }

    if (Boolean.parseBoolean(BacktestCfg.instance().getProperty("email.enabled", "false"))) {
        Properties props = new Properties();
        props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.starttls.enable", "true");
        props.put("mail.smtp.host", "smtp.sendgrid.net");
        props.put("mail.smtp.port", "587");

        String user = BacktestCfg.instance().getProperty("email.user");
        String pass = BacktestCfg.instance().getProperty("email.pass");

        Session session = Session.getInstance(props, new javax.mail.Authenticator() {
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(user, pass);
            }
        });

        MimeMessage msg = new MimeMessage(session);
        try {
            msg.setFrom(new InternetAddress(BacktestCfg.instance().getProperty("email.from")));
            msg.addRecipients(RecipientType.TO, BacktestCfg.instance().getProperty("email.recipients"));
            msg.setSubject(strategy.getName() + " Report ["
                    + strategy.getLastTimestamp().format(DateTimeFormatter.ISO_LOCAL_DATE) + "]");
            msg.setText("Positions & Signals\n" + signalText + "\n\nStatistics\n" + message);
            Transport.send(msg);
        } catch (Exception ee) {
            Logger.getLogger("").warning(ee.getMessage());
        }
    }

    if (Boolean.parseBoolean(BacktestCfg.instance().getProperty("sftp.enabled", "false"))) {
        HashMap<String, String> fileMap = new HashMap<String, String>();
        if (!Strings.isNullOrEmpty(actionsPath))
            fileMap.put(actionsPath, actionsPath);
        if (!Strings.isNullOrEmpty(ordersCsvPath))
            fileMap.put(ordersCsvPath, ordersCsvPath);
        String user = BacktestCfg.instance().getProperty("sftp.user");
        String pass = BacktestCfg.instance().getProperty("sftp.pass");
        String host = BacktestCfg.instance().getProperty("sftp.host");
        SftpUploader sftp = new SftpUploader(host, user, pass);
        sftp.upload(fileMap);
    }
}

From source file:org.noroomattheinn.utils.Utils.java

public static void setupLogger(File where, String basename, Logger logger, Level level) {
    rotateLogs(where, basename, 3);/*from www. j  a v  a  2 s. c om*/

    FileHandler fileHandler;
    try {
        logger.setLevel(level);
        fileHandler = new FileHandler((new File(where, basename + "-00.log")).getAbsolutePath());
        fileHandler.setFormatter(new SimpleFormatter());
        fileHandler.setLevel(level);
        logger.addHandler(fileHandler);

        for (Handler handler : Logger.getLogger("").getHandlers()) {
            if (handler instanceof ConsoleHandler) {
                handler.setLevel(level);
            }
        }
    } catch (IOException | SecurityException ex) {
        logger.severe("Unable to establish log file: " + ex);
    }
}