Example usage for java.util Formatter Formatter

List of usage examples for java.util Formatter Formatter

Introduction

In this page you can find the example usage for java.util Formatter Formatter.

Prototype

public Formatter(OutputStream os, String csn) throws UnsupportedEncodingException 

Source Link

Document

Constructs a new formatter with the specified output stream and charset.

Usage

From source file:Main.java

public static void main(String[] args) throws FileNotFoundException, UnsupportedEncodingException {

    Formatter formatter = new Formatter(new FileOutputStream("generated/format.txt"), "ASCII");

    // format a new string
    String name = "from java2s.com";
    formatter.format("Hello %s !", name);

    // print the formatted string
    System.out.println(formatter);

    // flush the formatter. Here it does nothing.
    formatter.flush();/*  w w w.j  a  v a2s.c  o m*/
    System.out.println("Formatter Flushed.");
}

From source file:asl.seedscan.SeedScan.java

public static void main(String args[]) {
    // Default locations of config and schema files
    File configFile = new File("config.xml");
    File schemaFile = new File("schemas/SeedScanConfig.xsd");
    boolean parseConfig = true;

    ArrayList<File> schemaFiles = new ArrayList<File>();
    schemaFiles.add(schemaFile);/*from   www . j  ava2s.  c  o m*/

    // ==== Command Line Parsing ====
    Options options = new Options();
    Option opConfigFile = new Option("c", "config-file", true,
            "The config file to use for seedscan. XML format according to SeedScanConfig.xsd.");
    Option opSchemaFile = new Option("s", "schema-file", true,
            "The xsd schema file which should be used to verify the config file format. ");

    OptionGroup ogConfig = new OptionGroup();
    ogConfig.addOption(opConfigFile);

    OptionGroup ogSchema = new OptionGroup();
    ogConfig.addOption(opSchemaFile);

    options.addOptionGroup(ogConfig);
    options.addOptionGroup(ogSchema);

    PosixParser optParser = new PosixParser();
    CommandLine cmdLine = null;
    try {
        cmdLine = optParser.parse(options, args, true);
    } catch (org.apache.commons.cli.ParseException e) {
        logger.error("Error while parsing command-line arguments.");
        System.exit(1);
    }

    Option opt;
    Iterator<?> iter = cmdLine.iterator();
    while (iter.hasNext()) {
        opt = (Option) iter.next();
        if (opt.getOpt().equals("c")) {
            configFile = new File(opt.getValue());
        } else if (opt.getOpt().equals("s")) {
            schemaFile = new File(opt.getValue());
        }
    }

    // ==== Configuration Read and Parse Actions ====
    ConfigParser parser = new ConfigParser(schemaFiles);
    ConfigT config = parser.parseConfig(configFile);

    // Print out configuration file contents
    Formatter formatter = new Formatter(new StringBuilder(), Locale.US);

    // ===== CONFIG: LOCK FILE =====
    File lockFile = new File(config.getLockfile());
    logger.info("SeedScan lock file is '" + lockFile + "'");
    LockFile lock = new LockFile(lockFile);
    if (!lock.acquire()) {
        logger.error("Could not acquire lock.");
        System.exit(1);
    }

    // ===== CONFIG: LOGGING =====
    // MTH: This is now done in log4j.properties file

    // ===== CONFIG: DATABASE =====
    MetricDatabase readDB = new MetricDatabase(config.getDatabase());
    MetricDatabase writeDB = new MetricDatabase(config.getDatabase());
    MetricReader reader = new MetricReader(readDB);
    MetricInjector injector = new MetricInjector(writeDB);

    // ===== CONFIG: SCANS =====
    Hashtable<String, Scan> scans = new Hashtable<String, Scan>();
    if (config.getScans().getScan() == null) {
        logger.error("No scans in configuration.");
        System.exit(1);
    } else {
        for (ScanT scanCfg : config.getScans().getScan()) {
            String name = scanCfg.getName();
            if (scans.containsKey(name)) {
                logger.error("Duplicate scan name '" + name + "' encountered.");
                System.exit(1);
            }

            // This should really be handled by jaxb by setting it up in schemas/SeedScanConfig.xsd
            if (scanCfg.getStartDay() == null && scanCfg.getStartDate() == null) {
                logger.error(
                        "== SeedScan Error: Must set EITHER cfg:start_day -OR- cfg:start_date in config.xml to start Scan!");
                System.exit(1);
            }

            // Configure this Scan
            Scan scan = new Scan(scanCfg.getName());
            scan.setPathPattern(scanCfg.getPath());
            scan.setDatalessDir(scanCfg.getDatalessDir());
            scan.setEventsDir(scanCfg.getEventsDir());
            scan.setPlotsDir(scanCfg.getPlotsDir());
            scan.setDaysToScan(scanCfg.getDaysToScan().intValue());
            if (scanCfg.getStartDay() != null) {
                scan.setStartDay(scanCfg.getStartDay().intValue());
            }
            if (scanCfg.getStartDate() != null) {
                scan.setStartDate(scanCfg.getStartDate().intValue());
            }

            if (scanCfg.getNetworkSubset() != null) {
                logger.debug("Filter on Network Subset=[{}]", scanCfg.getNetworkSubset());
                Filter filter = new Filter(false);
                for (String network : scanCfg.getNetworkSubset().split(",")) {
                    logger.debug("Network =[{}]", network);
                    filter.addFilter(network);
                }
                scan.setNetworks(filter);
            }
            if (scanCfg.getStationSubset() != null) {
                logger.debug("Filter on Station Subset=[{}]", scanCfg.getStationSubset());
                Filter filter = new Filter(false);
                for (String station : scanCfg.getStationSubset().split(",")) {
                    logger.debug("Station =[{}]", station);
                    filter.addFilter(station);
                }
                scan.setStations(filter);
            }
            if (scanCfg.getLocationSubset() != null) {
                logger.debug("Filter on Location Subset=[{}]", scanCfg.getLocationSubset());
                Filter filter = new Filter(false);
                for (String location : scanCfg.getLocationSubset().split(",")) {
                    logger.debug("Location =[{}]", location);
                    filter.addFilter(location);
                }
                scan.setLocations(filter);
            }
            if (scanCfg.getChannelSubset() != null) {
                logger.debug("Filter on Channel Subset=[{}]", scanCfg.getChannelSubset());
                Filter filter = new Filter(false);
                for (String channel : scanCfg.getChannelSubset().split(",")) {
                    logger.debug("Channel =[{}]", channel);
                    filter.addFilter(channel);
                }
                scan.setChannels(filter);
            }

            for (MetricT met : scanCfg.getMetrics().getMetric()) {
                try {
                    Class<?> metricClass = Class.forName(met.getClassName());
                    MetricWrapper wrapper = new MetricWrapper(metricClass);
                    for (ArgumentT arg : met.getArgument()) {
                        wrapper.add(arg.getName(), arg.getValue());
                    }
                    scan.addMetric(wrapper);
                } catch (ClassNotFoundException ex) {
                    logger.error("No such metric class '" + met.getClassName() + "'");
                    System.exit(1);
                } catch (InstantiationException ex) {
                    logger.error("Could not dynamically instantiate class '" + met.getClassName() + "'");
                    System.exit(1);
                } catch (IllegalAccessException ex) {
                    logger.error("Illegal access while loading class '" + met.getClassName() + "'");
                    System.exit(1);
                } catch (NoSuchFieldException ex) {
                    logger.error("Invalid dynamic argument to Metric subclass '" + met.getClassName() + "'");
                    System.exit(1);
                }

            }
            scans.put(name, scan);
        }
    }

    // ==== Establish Database Connection ====
    // TODO: State Tracking in the Database
    // - Record scan started in database.
    // - Track our progress as we go so a new process can pick up where
    //   we left off if our process dies.
    // - Mark when each date-station-channel-operation is complete
    //LogDatabaseHandler logDB = new LogDatabaseHandler(configuration.get

    // For each day ((yesterday - scanDepth) to yesterday)
    // scan for these channel files, only process them if
    // they have not yet been scanned, or if changes have
    // occurred to the file since its last scan. Do this for
    // each scan type. Do not re-scan data for each type,
    // launch processes for each scan and use the same data set
    // for each. If we can pipe the data as it is read, do so.
    // If we need to push all of it at once, do these in sequence
    // in order to preserve overall system memory resources.

    Scan scan = null;

    // ==== Perform Scans ====

    scan = scans.get("daily");

    //MTH: This part could/should be moved up higher except that we need to know datalessDir, which,
    //     at this point, is configured on a per scan basis ... so we need to know what scan we're doing
    MetaServer metaServer = null;
    if (config.getMetaserver() != null) {
        if (config.getMetaserver().getUseRemote().equals("yes")
                || config.getMetaserver().getUseRemote().equals("true")) {
            String remoteServer = config.getMetaserver().getRemoteUri();
            try {
                metaServer = new MetaServer(new URI(remoteServer));
            } catch (Exception e) {
                logger.error("caught URI exception:" + e.getMessage());
            }
        } else {
            metaServer = new MetaServer(scan.getDatalessDir());
        }
    } else { // Use local MetaServer
        metaServer = new MetaServer(scan.getDatalessDir());
    }

    List<Station> stations = null;

    if (config.getStationList() == null) { // get StationList from MetaServer
        logger.info("Get StationList from MetaServer");
        stations = metaServer.getStationList();
    } else { // read StationList from config.xml
        logger.info("Read StationList from config.xml");
        List<String> stationList = config.getStationList().getStation();
        if (stationList.size() > 0) {
            stations = new ArrayList<Station>();
            for (String station : stationList) {
                String[] words = station.split("_");
                if (words.length != 2) {
                    logger.warn(String.format("stationList: station=[%s] is NOT a valid station --> Skip",
                            station));
                } else {
                    stations.add(new Station(words[0], words[1]));
                    logger.info("config.xml: Read station:" + station);
                }
            }
        } else {
            logger.error("Error: No valid stations read from config.xml");
        }
    }

    if (stations == null) {
        logger.error("Found NO stations to scan --> EXITTING SeedScan");
        System.exit(1);
    }

    Thread readerThread = new Thread(reader);
    readerThread.start();
    logger.info("Reader thread started.");

    Thread injectorThread = new Thread(injector);
    injectorThread.start();
    logger.info("Injector thread started.");

    // Loop over scans and hand each one to a ScanManager
    logger.info("Hand scan to ScanManager");
    for (String key : scans.keySet()) {
        scan = scans.get(key);
        logger.info(String.format("Scan=[%s] startDay=%d startDate=%d daysToScan=%d\n", key, scan.getStartDay(),
                scan.getStartDate(), scan.getDaysToScan()));
        ScanManager scanManager = new ScanManager(reader, injector, stations, scan, metaServer);
    }

    logger.info("ScanManager is [ FINISHED ] --> stop the injector and reader threads");

    try {
        injector.halt();
        logger.info("All stations processed. Waiting for injector thread to finish...");
        synchronized (injectorThread) {
            //injectorThread.wait();
            injectorThread.interrupt();
        }
        logger.info("Injector thread halted.");
    } catch (InterruptedException ex) {
        logger.warn("The injector thread was interrupted while attempting to complete requests.");
    }

    try {
        reader.halt();
        logger.info("All stations processed. Waiting for reader thread to finish...");
        synchronized (readerThread) {
            //readerThread.wait();
            readerThread.interrupt();
        }
        logger.info("Reader thread halted.");
    } catch (InterruptedException ex) {
        logger.warn("The reader thread was interrupted while attempting to complete requests.");
    }

    try {
        lock.release();
    } catch (IOException e) {
        ;
    } finally {
        logger.info("Release seedscan lock and quit metaServer");
        lock = null;
        metaServer.quit();
    }
}

From source file:Main.java

public static String stringForTime(int timeMs) {

    StringBuilder mFormatBuilder = new StringBuilder();
    Formatter mFormatter = new Formatter(mFormatBuilder, Locale.getDefault());

    int totalSeconds = timeMs / 1000;

    int seconds = totalSeconds % 60;
    int minutes = (totalSeconds / 60) % 60;
    int hours = totalSeconds / 3600;

    mFormatBuilder.setLength(0);//from  w w w  .  j  av a2s  .  co m
    if (hours > 0) {
        return mFormatter.format("%d:%02d:%02d", hours, minutes, seconds).toString();
    } else {
        return mFormatter.format("%02d:%02d", minutes, seconds).toString();
    }
}

From source file:Main.java

public static String getNumberTime(long time_second) {

    long seconds = time_second % 60;

    long minutes = (time_second / 60) % 60;

    long hours = time_second / 3600;

    Formatter formatter = new Formatter(null, Locale.getDefault());

    return formatter.format("%02d:%02d:%02d", hours, minutes, seconds).toString();

}

From source file:Main.java

public static String stringForTime(int timeMs) {
    if (timeMs <= 0 || timeMs >= 24 * 60 * 60 * 1000) {
        return "00:00";
    }/*  ww  w. j a  va  2  s .co m*/
    int totalSeconds = timeMs / 1000;
    int seconds = totalSeconds % 60;
    int minutes = (totalSeconds / 60) % 60;
    int hours = totalSeconds / 3600;
    StringBuilder stringBuilder = new StringBuilder();
    Formatter mFormatter = new Formatter(stringBuilder, Locale.getDefault());
    if (hours > 0) {
        return mFormatter.format("%d:%02d:%02d", hours, minutes, seconds).toString();
    } else {
        return mFormatter.format("%02d:%02d", minutes, seconds).toString();
    }
}

From source file:Main.java

public static CharSequence formatElapsedTime(long elapsedSeconds) {

    long hours = 0;
    long minutes = 0;
    long seconds = 0;
    if (elapsedSeconds >= 3600) {
        hours = elapsedSeconds / 3600;//from w ww  .  ja v  a2 s.c om
        elapsedSeconds -= hours * 3600;
    }
    if (elapsedSeconds >= 60) {
        minutes = elapsedSeconds / 60;
        elapsedSeconds -= minutes * 60;
    }
    seconds = elapsedSeconds;

    Formatter f = new Formatter(new StringBuilder(10), Locale.getDefault());
    if (hours > 0) {
        return f.format(ELAPSED_TIME_HMMSS, hours, minutes, seconds).toString();
    } else {
        return f.format(ELAPSED_TIME_MMSS, minutes, seconds).toString();
    }
}

From source file:Main.java

public static String showSirfCommandFromPayload(String payload) {
    byte[] command = genSirfCommandFromPayload(payload);
    StringBuilder out = new StringBuilder(payload.length() + 16);
    Formatter fmt = new Formatter(out, null);
    for (byte b : command) {
        fmt.format("%02X", b);
    }//w  w w. ja v a 2 s  . c o  m
    return out.toString();
}

From source file:org.traccar.WebDataHandler.java

private static String formatSentence(Position position) {

    StringBuilder s = new StringBuilder("$GPRMC,");

    try (Formatter f = new Formatter(s, Locale.ENGLISH)) {

        Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.ENGLISH);
        calendar.setTimeInMillis(position.getFixTime().getTime());

        f.format("%1$tH%1$tM%1$tS.%1$tL,A,", calendar);

        double lat = position.getLatitude();
        double lon = position.getLongitude();

        f.format("%02d%07.4f,%c,", (int) Math.abs(lat), Math.abs(lat) % 1 * 60, lat < 0 ? 'S' : 'N');
        f.format("%03d%07.4f,%c,", (int) Math.abs(lon), Math.abs(lon) % 1 * 60, lon < 0 ? 'W' : 'E');

        f.format("%.2f,%.2f,", position.getSpeed(), position.getCourse());
        f.format("%1$td%1$tm%1$ty,,", calendar);
    }//from  w w  w . ja va  2  s. com

    s.append(Checksum.nmea(s.toString()));

    return s.toString();
}

From source file:com.legstar.mock.client.MockVararcom.java

/**
 * @return a hexadecimal representation of host data.
 *///ww w  . j a  v  a2 s  .c o  m
public static String getHostBytesHex36() {

    StringBuilder sb = new StringBuilder("0024");
    for (int i = 0; i < 36; i++) {
        StringBuilder sbl = new StringBuilder();
        Formatter formatter = new Formatter(sbl, Locale.US);
        formatter.format("%04x", 5 * (i + 1));
        sb.append("c6c7c8c9d1" + sbl.toString());
    }

    return sb.toString();
}

From source file:edu.berkeley.compbio.ml.mcmc.TextFileDataCollector.java

@Override
public String toString() {
    final StringBuffer sb = new StringBuffer();
    final Formatter formatter = new Formatter(sb, Locale.US);

    //sb.append(getStep()).append("\n");
    for (final DoubleTimecourse t : timecourses.values()) {
        formatter.format("%1$20s = %2$10s, %3$10s\n", t.name(), t.last(), t.runningaverage());
    }// ww  w .j a  va2 s .  c o m

    return sb.toString();
}