Example usage for java.lang StringBuilder append

List of usage examples for java.lang StringBuilder append

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Introduction

In this page you can find the example usage for java.lang StringBuilder append.

Prototype

@Override
    public StringBuilder append(double d)

Source Link

Usage

From source file:com.genentech.chemistry.openEye.apps.SDFTopologicalIndexer.java

/**
 * @param args/*from  w w  w . ja v a2 s. c  o m*/
 */
public static void main(String... args) throws IOException { // create command line Options object
    Options options = new Options();
    Option opt = new Option(OPT_INFILE, true,
            "input file oe-supported Use .sdf|.smi to specify the file type.");
    opt.setRequired(true);
    opt.setArgName("fn");
    options.addOption(opt);

    opt = new Option(OPT_OUTFILE, true, "output file oe-supported. Use .sdf|.smi to specify the file type.");
    opt.setRequired(true);
    opt.setArgName("fn");
    options.addOption(opt);

    CommandLineParser parser = new PosixParser();
    CommandLine cmd = null;
    try {
        cmd = parser.parse(options, args);
    } catch (Exception e) {
        System.err.println(e.getMessage());
        exitWithHelp(options);
    }
    args = cmd.getArgs();

    if (cmd.hasOption("d")) {
        System.err.println("Start debugger and press return:");
        new BufferedReader(new InputStreamReader(System.in)).readLine();
    }

    if (args.length == 0) {
        System.err.println("Specify at least one index type");
        exitWithHelp(options);
    }

    String inFile = cmd.getOptionValue(OPT_INFILE);
    String outFile = cmd.getOptionValue(OPT_OUTFILE);
    Set<String> selectedIndexes = new HashSet<String>(args.length);
    if (args.length == 1 && "all".equalsIgnoreCase(args[0]))
        selectedIndexes = AVAILIndexes;
    else
        selectedIndexes.addAll(Arrays.asList(args));

    if (!AVAILIndexes.containsAll(selectedIndexes)) {
        selectedIndexes.removeAll(AVAILIndexes);
        StringBuilder err = new StringBuilder("Unknown Index types: ");
        for (String it : selectedIndexes)
            err.append(it).append(" ");
        System.err.println(err);
        exitWithHelp(options);
    }

    SDFTopologicalIndexer sdfIndexer = new SDFTopologicalIndexer(outFile, selectedIndexes);

    sdfIndexer.run(inFile);
    sdfIndexer.close();
}

From source file:com.wyp.module.controller.LicenseController.java

public static void main(String[] args) {
    StringBuilder sb = new StringBuilder();
    sb.append("1237275897295725");
    String str = sb.toString();/*w w  w  . ja  v a  2  s . co m*/
    System.out.println(str);
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    String input = "this is a test";
    StringBuilder result = new StringBuilder();
    char currentCharacter;
    int count;//from  w w w.  j  a  v a  2  s . c  o  m

    for (int i = 0; i < input.length(); i++) {
        currentCharacter = input.charAt(i);
        count = 1;
        while (i < input.length() - 1 && input.charAt(i + 1) == currentCharacter) {
            count++;
            i++;
        }
        result.append(currentCharacter);
        result.append(count);
    }

    System.out.println("" + result);
}

From source file:dhtaccess.benchmark.LatencyMeasure.java

public static void main(String[] args) {
    boolean details = false;
    int repeats = DEFAULT_REPEATS;
    boolean doPut = true;

    // parse options
    Options options = new Options();
    options.addOption("h", "help", false, "print help");
    options.addOption("d", "details", false, "requests secret hash and TTL");
    options.addOption("r", "repeats", true, "number of requests");
    options.addOption("n", "no-put", false, "does not put");

    CommandLineParser parser = new PosixParser();
    CommandLine cmd = null;//from   ww  w.jav a 2s.c om
    try {
        cmd = parser.parse(options, args);
    } catch (ParseException e) {
        System.out.println("There is an invalid option.");
        e.printStackTrace();
        System.exit(1);
    }

    String optVal;
    if (cmd.hasOption('h')) {
        usage(COMMAND);
        System.exit(1);
    }
    if (cmd.hasOption('d')) {
        details = true;
    }
    optVal = cmd.getOptionValue('r');
    if (optVal != null) {
        repeats = Integer.parseInt(optVal);
    }
    if (cmd.hasOption('n')) {
        doPut = false;
    }

    args = cmd.getArgs();

    // parse arguments
    if (args.length < 1) {
        usage(COMMAND);
        System.exit(1);
    }

    // prepare for RPC
    int numAccessor = args.length;
    DHTAccessor[] accessorArray = new DHTAccessor[numAccessor];
    try {
        for (int i = 0; i < numAccessor; i++) {
            accessorArray[i] = new DHTAccessor(args[i]);
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
        System.exit(1);
    }

    // generate key prefix
    Random rnd = new Random(System.currentTimeMillis());

    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < KEY_PREFIX_LENGTH; i++) {
        sb.append((char) ('a' + rnd.nextInt(26)));
    }
    String keyPrefix = sb.toString();
    String valuePrefix = VALUE_PREFIX;

    // benchmarking
    System.out.println("Repeats " + repeats + " times.");

    if (doPut) {
        System.out.println("Putting: " + keyPrefix + "<number>");

        for (int i = 0; i < repeats; i++) {
            byte[] key = null, value = null;
            try {
                key = (keyPrefix + i).getBytes(ENCODE);
                value = (valuePrefix + i).getBytes(ENCODE);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
                System.exit(1);
            }

            int accIndex = rnd.nextInt(numAccessor);
            DHTAccessor acc = accessorArray[accIndex];
            acc.put(key, value, TTL);
        }
    }

    System.out.println("Benchmarking by getting.");

    int count = 0;
    long startTime = System.currentTimeMillis();

    if (details) {
        for (int i = 0; i < repeats; i++) {
            byte[] key = null;
            try {
                key = (keyPrefix + i).getBytes(ENCODE);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
                System.exit(1);
            }

            int accIndex = rnd.nextInt(numAccessor);
            DHTAccessor acc = accessorArray[accIndex];
            Set<DetailedGetResult> valueSet = acc.getDetails(key);
            if (valueSet != null && !valueSet.isEmpty()) {
                count++;
            }
        }
    } else {
        for (int i = 0; i < repeats; i++) {
            byte[] key = null;
            try {
                key = (keyPrefix + i).getBytes(ENCODE);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
                System.exit(1);
            }

            int accIndex = rnd.nextInt(numAccessor);
            DHTAccessor acc = accessorArray[accIndex];
            Set<byte[]> valueSet = acc.get(key);
            if (valueSet != null && !valueSet.isEmpty()) {
                count++;
            }
        }
    }

    System.out.println(System.currentTimeMillis() - startTime + " msec.");
    System.out.println("Rate of successful gets: " + count + " / " + repeats);
}

From source file:com.heliosapm.opentsdb.client.boot.JavaAgentInstaller.java

public static void main(final String[] args) {
    if (args.length == 0) {
        loge("Usage: java com.heliosapm.opentsdb.client.boot.JavaAgentInstaller \n\t<PID | Name to match> \n\t[-list | -listjson] \n\t[-p k=v] \n\t[-config URL|File]");
    }//from w  ww .ja  v  a2 s  . c  om
    final long pid;
    if (isPid(args[0])) {
        pid = Long.parseLong(args[0].trim());
    } else if ("-list".equalsIgnoreCase(args[0])) {
        printJVMs(myId);
        return;
    } else if ("-listjson".equalsIgnoreCase(args[0])) {
        printJVMsInJSON(myId);
        return;
    } else {
        pid = findPid(args[0]);
    }
    if (pid < 1) {
        System.exit(-1);
    }

    log("Installing JavaAgent to PID: %s from JAR: %s", pid,
            JavaAgentInstaller.class.getProtectionDomain().getCodeSource().getLocation());
    VirtualMachine vm = null;
    try {
        final String loc = new File(
                JavaAgentInstaller.class.getProtectionDomain().getCodeSource().getLocation().getFile())
                        .getAbsolutePath();
        vm = VirtualMachine.attach("" + pid);
        log("Connected to process %s, loading Agent from %s", vm.id(), loc);
        if (args.length > 1) {
            StringBuilder b = new StringBuilder();
            for (int i = 1; i < args.length; i++) {
                b.append(args[i]).append("|~");
                if ("-config".equalsIgnoreCase(args[i])) {
                    i++;
                    final URL url = URLHelper.toURL(args[i]);
                    b.append(url).append("|~");
                }
            }
            b.deleteCharAt(b.length() - 1);
            b.deleteCharAt(b.length() - 1);
            log("Loading with options [%s]", b);
            vm.loadAgent(loc, b.toString());
        } else {
            log("Loading with no options");
            vm.loadAgent(loc);
        }
        log("Agent loaded to process %s", vm.id());
        System.exit((int) pid);
    } catch (Exception ex) {
        loge("Failed to attach to process %s. Stack trace follows...", pid);
        ex.printStackTrace(System.err);
    } finally {
        if (vm != null) {
            try {
                vm.detach();
                log("Detached from process %s", pid);
            } catch (Exception ex) {
            }
        }
    }
}

From source file:de.tudarmstadt.ukp.csniper.resbuild.EvaluationItemFixer.java

public static void main(String[] args) {
    connect(HOST, DATABASE, USER, PASSWORD);

    Map<Integer, String> items = new HashMap<Integer, String>();
    Map<Integer, String> failed = new HashMap<Integer, String>();

    // fetch coveredTexts of dubious items and clean it
    PreparedStatement select = null;
    try {//from  w  ww  .j  a v a 2 s .co m
        StringBuilder selectQuery = new StringBuilder();
        selectQuery.append("SELECT * FROM EvaluationItem ");
        selectQuery.append("WHERE LOCATE(coveredText, '  ') > 0 ");
        selectQuery.append("OR LOCATE('" + LRB + "', coveredText) > 0 ");
        selectQuery.append("OR LOCATE('" + RRB + "', coveredText) > 0 ");
        selectQuery.append("OR LEFT(coveredText, 1) = ' ' ");
        selectQuery.append("OR RIGHT(coveredText, 1) = ' ' ");

        select = connection.prepareStatement(selectQuery.toString());
        log.info("Running query [" + selectQuery.toString() + "].");
        ResultSet rs = select.executeQuery();

        while (rs.next()) {
            int id = rs.getInt("id");
            String coveredText = rs.getString("coveredText");

            try {
                // special handling of double whitespace: in this case, re-fetch the text
                if (coveredText.contains("  ")) {
                    coveredText = retrieveCoveredText(rs.getString("collectionId"), rs.getString("documentId"),
                            rs.getInt("beginOffset"), rs.getInt("endOffset"));
                }

                // replace bracket placeholders and trim the text
                coveredText = StringUtils.replace(coveredText, LRB, "(");
                coveredText = StringUtils.replace(coveredText, RRB, ")");
                coveredText = coveredText.trim();

                items.put(id, coveredText);
            } catch (IllegalArgumentException e) {
                failed.put(id, e.getMessage());
            }
        }
    } catch (SQLException e) {
        log.error("Exception while selecting: " + e.getMessage());
    } finally {
        closeQuietly(select);
    }

    // write logs
    BufferedWriter bwf = null;
    BufferedWriter bws = null;
    try {
        bwf = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(LOG_FAILED)), "UTF-8"));
        for (Entry<Integer, String> e : failed.entrySet()) {
            bwf.write(e.getKey() + " - " + e.getValue() + "\n");
        }

        bws = new BufferedWriter(
                new OutputStreamWriter(new FileOutputStream(new File(LOG_SUCCESSFUL)), "UTF-8"));
        for (Entry<Integer, String> e : items.entrySet()) {
            bws.write(e.getKey() + " - " + e.getValue() + "\n");
        }
    } catch (IOException e) {
        log.error("Got an IOException while writing the log files.");
    } finally {
        IOUtils.closeQuietly(bwf);
        IOUtils.closeQuietly(bws);
    }

    log.info("Texts for [" + items.size() + "] items need to be cleaned up.");

    // update the dubious items with the cleaned coveredText
    PreparedStatement update = null;
    try {
        String updateQuery = "UPDATE EvaluationItem SET coveredText = ? WHERE id = ?";

        update = connection.prepareStatement(updateQuery);
        int i = 0;
        for (Entry<Integer, String> e : items.entrySet()) {
            int id = e.getKey();
            String coveredText = e.getValue();

            // update item in database
            update.setString(1, coveredText);
            update.setInt(2, id);
            update.executeUpdate();
            log.debug("Updating " + id + " with [" + coveredText + "]");

            // show percentage of updated items
            i++;
            int part = (int) Math.ceil((double) items.size() / 100);
            if (i % part == 0) {
                log.info(i / part + "% finished (" + i + "/" + items.size() + ").");
            }
        }
    } catch (SQLException e) {
        log.error("Exception while updating: " + e.getMessage());
    } finally {
        closeQuietly(update);
    }

    closeQuietly(connection);
}

From source file:com.asakusafw.generator.HadoopBulkLoaderDDLGenerator.java

/**
 * HadoopBulkLoader?????//www . j ava 2  s. c o m
 *
 * @param args
 *            ??
 * @throws Exception
 *             ??????
 */
public static void main(String[] args) throws Exception {
    String outputTablesString = findVariable(ENV_BULKLOADER_TABLES, true);
    List<String> outputTableList = null;
    if (outputTablesString != null && !OUTPUT_TABLES_PROPERTY.equals(outputTablesString)) {
        String[] outputTables = outputTablesString.trim().split("\\s+");
        outputTableList = Arrays.asList(outputTables);
    }

    String ddlTemplate;
    InputStream in = HadoopBulkLoaderDDLGenerator.class.getResourceAsStream(TEMPLATE_DDL_FILENAME);
    try {
        ddlTemplate = IOUtils.toString(in);
    } finally {
        in.close();
    }
    StringBuilder sb = new StringBuilder();

    for (String tableName : args) {
        if (outputTableList == null || outputTableList.contains(tableName)) {
            String tableddl = ddlTemplate.replaceAll(TABLENAME_REPLACE_STRING, tableName);
            sb.append(tableddl);
        }
    }

    String outputFilePath = findVariable(ENV_BULKLOADER_GENDDL, true);
    if (outputFilePath == null) {
        throw new RuntimeException(
                "ASAKUSA_BULKLOADER_TABLES???????");
    }
    FileUtils.write(new File(outputFilePath), sb);
}

From source file:microbiosima.Microbiosima.java

/**
 * @param args//from   w w w . j a  v a 2  s.  c o m
 *            the command line arguments
 * @throws java.io.FileNotFoundException
 * @throws java.io.UnsupportedEncodingException
 */
public static void main(String[] args) throws FileNotFoundException, UnsupportedEncodingException {
    //Init with default values
    int populationSize = 500;
    int microSize = 1000;
    int numberOfSpecies = 150;
    int numberOfGeneration = 10000;
    int numberOfObservation = 100;
    int numberOfReplication = 1;
    double pctEnv = 0;
    double pctPool = 0;

    Options options = new Options();

    Option help = new Option("h", "help", false, "print this message");
    Option version = new Option("v", "version", false, "print the version information and exit");
    options.addOption(help);
    options.addOption(version);

    options.addOption(Option.builder("o").longOpt("obs").hasArg().argName("OBS")
            .desc("Number generation for observation [default: 100]").build());
    options.addOption(Option.builder("r").longOpt("rep").hasArg().argName("REP")
            .desc("Number of replication [default: 1]").build());

    Builder C = Option.builder("c").longOpt("config").numberOfArgs(4).argName("Pop Micro Spec Gen")
            .desc("Four Parameters in the following orders: "
                    + "(1) population size, (2) microbe size, (3) number of species, (4) number of generation"
                    + " [default: 500 1000 150 10000]");
    options.addOption(C.build());

    HelpFormatter formatter = new HelpFormatter();
    String syntax = "microbiosima pctEnv pctPool";
    String header = "\nSimulates the evolutionary and ecological dynamics of microbiomes within a population of hosts.\n\n"
            + "required arguments:\n" + "  pctEnv             Percentage of environmental acquisition\n"
            + "  pctPool            Percentage of pooled environmental component\n" + "\noptional arguments:\n";
    String footer = "\n";

    formatter.setWidth(80);

    CommandLineParser parser = new DefaultParser();
    CommandLine cmd = null;

    try {
        cmd = parser.parse(options, args);
        String[] pct_config = cmd.getArgs();

        if (cmd.hasOption("h") || args.length == 0) {
            formatter.printHelp(syntax, header, options, footer, true);
            System.exit(0);
        }
        if (cmd.hasOption("v")) {
            System.out.println("Microbiosima " + VERSION);
            System.exit(0);
        }
        if (pct_config.length != 2) {
            System.out.println("ERROR! Required exactly two argumennts for pct_env and pct_pool. It got "
                    + pct_config.length + ": " + Arrays.toString(pct_config));
            formatter.printHelp(syntax, header, options, footer, true);
            System.exit(3);
        } else {
            pctEnv = Double.parseDouble(pct_config[0]);
            pctPool = Double.parseDouble(pct_config[1]);
            if (pctEnv < 0 || pctEnv > 1) {
                System.out.println(
                        "ERROR: pctEnv (Percentage of environmental acquisition) must be between 0 and 1 (pctEnv="
                                + pctEnv + ")! EXIT");
                System.exit(3);
            }
            if (pctPool < 0 || pctPool > 1) {
                System.out.println(
                        "ERROR: pctPool (Percentage of pooled environmental component must) must be between 0 and 1 (pctPool="
                                + pctPool + ")! EXIT");
                System.exit(3);
            }

        }
        if (cmd.hasOption("config")) {
            String[] configs = cmd.getOptionValues("config");
            populationSize = Integer.parseInt(configs[0]);
            microSize = Integer.parseInt(configs[1]);
            numberOfSpecies = Integer.parseInt(configs[2]);
            numberOfGeneration = Integer.parseInt(configs[3]);
        }
        if (cmd.hasOption("obs")) {
            numberOfObservation = Integer.parseInt(cmd.getOptionValue("obs"));
        }
        if (cmd.hasOption("rep")) {
            numberOfReplication = Integer.parseInt(cmd.getOptionValue("rep"));
        }

    } catch (ParseException e) {
        e.printStackTrace();
        System.exit(3);
    }

    StringBuilder sb = new StringBuilder();
    sb.append("Configuration Summary:").append("\n\tPopulation size: ").append(populationSize)
            .append("\n\tMicrobe size: ").append(microSize).append("\n\tNumber of species: ")
            .append(numberOfSpecies).append("\n\tNumber of generation: ").append(numberOfGeneration)
            .append("\n\tNumber generation for observation: ").append(numberOfObservation)
            .append("\n\tNumber of replication: ").append(numberOfReplication).append("\n");
    System.out.println(sb.toString());

    //      System.exit(3);
    // LogNormalDistribution lgd=new LogNormalDistribution(0,1);
    // environment=lgd.sample(150);
    // double environment_sum=0;
    // for (int i=0;i<No;i++){
    // environment_sum+=environment[i];
    // }
    // for (int i=0;i<No;i++){
    // environment[i]/=environment_sum;
    // }

    double[] environment = new double[numberOfSpecies];
    for (int i = 0; i < numberOfSpecies; i++) {
        environment[i] = 1 / (double) numberOfSpecies;
    }

    for (int rep = 0; rep < numberOfReplication; rep++) {
        String prefix = "" + (rep + 1) + "_";
        String sufix = "_E" + pctEnv + "_P" + pctPool + ".txt";

        System.out.println("Output 5 result files in the format of: " + prefix + "[****]" + sufix);
        try {

            PrintWriter file1 = new PrintWriter(
                    new BufferedWriter(new FileWriter(prefix + "gamma_diversity" + sufix)));
            PrintWriter file2 = new PrintWriter(
                    new BufferedWriter(new FileWriter(prefix + "alpha_diversity" + sufix)));
            PrintWriter file3 = new PrintWriter(
                    new BufferedWriter(new FileWriter(prefix + "beta_diversity" + sufix)));
            PrintWriter file4 = new PrintWriter(new BufferedWriter(new FileWriter(prefix + "sum" + sufix)));
            PrintWriter file5 = new PrintWriter(
                    new BufferedWriter(new FileWriter(prefix + "inter_generation_distance" + sufix)));
            PrintWriter file6 = new PrintWriter(
                    new BufferedWriter(new FileWriter(prefix + "environment_population_distance" + sufix)));

            Population population = new Population(microSize, environment, populationSize, pctEnv, pctPool, 0,
                    0);

            while (population.getNumberOfGeneration() < numberOfGeneration) {
                population.sumSpecies();
                if (population.getNumberOfGeneration() % numberOfObservation == 0) {
                    file1.println(population.gammaDiversity(true));
                    file2.println(population.alphaDiversity(true));
                    file3.print(population.betaDiversity(true));
                    file3.print("\t");
                    file3.println(population.BrayCurtis(true));
                    file4.println(population.printOut());
                    file5.println(population.interGenerationDistance());
                    file6.println(population.environmentPopulationDistance());
                }
                population.getNextGen();
            }
            file1.close();
            file2.close();
            file3.close();
            file4.close();
            file5.close();
            file6.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.linkedin.kmf.KafkaMonitor.java

public static void main(String[] args) throws Exception {
    if (args.length <= 0) {
        LOG.info("USAGE: java [options] " + KafkaMonitor.class.getName() + " config/kafka-monitor.properties");
        return;/*from  www . j  av a 2 s .c  o  m*/
    }

    StringBuilder buffer = new StringBuilder();
    try (BufferedReader br = new BufferedReader(new FileReader(args[0].trim()))) {
        String line;
        while ((line = br.readLine()) != null) {
            if (!line.startsWith("#"))
                buffer.append(line);
        }
    }

    @SuppressWarnings("unchecked")
    Map<String, Map> props = new ObjectMapper().readValue(buffer.toString(), Map.class);
    KafkaMonitor kafkaMonitor = new KafkaMonitor(props);
    kafkaMonitor.start();
    LOG.info("KafkaMonitor started");

    kafkaMonitor.awaitShutdown();
}

From source file:com.amazonaws.services.kinesis.leases.impl.LeaseCoordinatorExerciser.java

public static void main(String[] args) throws InterruptedException, DependencyException, InvalidStateException,
        ProvisionedThroughputException, IOException {

    int numCoordinators = 9;
    int numLeases = 73;
    int leaseDurationMillis = 10000;
    int epsilonMillis = 100;

    AWSCredentialsProvider creds = new DefaultAWSCredentialsProviderChain();
    AmazonDynamoDBClient ddb = new AmazonDynamoDBClient(creds);

    ILeaseManager<KinesisClientLease> leaseManager = new KinesisClientLeaseManager("nagl_ShardProgress", ddb);

    if (leaseManager.createLeaseTableIfNotExists(10L, 50L)) {
        LOG.info("Waiting for newly created lease table");
        if (!leaseManager.waitUntilLeaseTableExists(10, 300)) {
            LOG.error("Table was not created in time");
            return;
        }//from   w w  w. ja  va 2s  .co m
    }

    CWMetricsFactory metricsFactory = new CWMetricsFactory(creds, "testNamespace", 30 * 1000, 1000);
    final List<LeaseCoordinator<KinesisClientLease>> coordinators = new ArrayList<LeaseCoordinator<KinesisClientLease>>();
    for (int i = 0; i < numCoordinators; i++) {
        String workerIdentifier = "worker-" + Integer.toString(i);

        LeaseCoordinator<KinesisClientLease> coord = new LeaseCoordinator<KinesisClientLease>(leaseManager,
                workerIdentifier, leaseDurationMillis, epsilonMillis, metricsFactory);

        coordinators.add(coord);
    }

    leaseManager.deleteAll();

    for (int i = 0; i < numLeases; i++) {
        KinesisClientLease lease = new KinesisClientLease();
        lease.setLeaseKey(Integer.toString(i));
        lease.setCheckpoint(new ExtendedSequenceNumber("checkpoint"));
        leaseManager.createLeaseIfNotExists(lease);
    }

    final JFrame frame = new JFrame("Test Visualizer");
    frame.setPreferredSize(new Dimension(800, 600));
    final JPanel panel = new JPanel(new GridLayout(coordinators.size() + 1, 0));
    final JLabel ticker = new JLabel("tick");
    panel.add(ticker);
    frame.getContentPane().add(panel);

    final Map<String, JLabel> labels = new HashMap<String, JLabel>();
    for (final LeaseCoordinator<KinesisClientLease> coord : coordinators) {
        JPanel coordPanel = new JPanel();
        coordPanel.setLayout(new BoxLayout(coordPanel, BoxLayout.X_AXIS));
        final Button button = new Button("Stop " + coord.getWorkerIdentifier());
        button.setMaximumSize(new Dimension(200, 50));
        button.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent arg0) {
                if (coord.isRunning()) {
                    coord.stop();
                    button.setLabel("Start " + coord.getWorkerIdentifier());
                } else {
                    try {
                        coord.start();
                    } catch (LeasingException e) {
                        LOG.error(e);
                    }
                    button.setLabel("Stop " + coord.getWorkerIdentifier());
                }
            }

        });
        coordPanel.add(button);

        JLabel label = new JLabel();
        coordPanel.add(label);
        labels.put(coord.getWorkerIdentifier(), label);
        panel.add(coordPanel);
    }

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    new Thread() {

        // Key is lease key, value is green-ness as a value from 0 to 255.
        // Great variable name, huh?
        private Map<String, Integer> greenNesses = new HashMap<String, Integer>();

        // Key is lease key, value is last owning worker
        private Map<String, String> lastOwners = new HashMap<String, String>();

        @Override
        public void run() {
            while (true) {
                for (LeaseCoordinator<KinesisClientLease> coord : coordinators) {
                    String workerIdentifier = coord.getWorkerIdentifier();

                    JLabel label = labels.get(workerIdentifier);

                    List<KinesisClientLease> asgn = new ArrayList<KinesisClientLease>(coord.getAssignments());
                    Collections.sort(asgn, new Comparator<KinesisClientLease>() {

                        @Override
                        public int compare(KinesisClientLease arg0, KinesisClientLease arg1) {
                            return arg0.getLeaseKey().compareTo(arg1.getLeaseKey());
                        }

                    });

                    StringBuilder builder = new StringBuilder();
                    builder.append("<html>");
                    builder.append(workerIdentifier).append(":").append(asgn.size()).append("          ");

                    for (KinesisClientLease lease : asgn) {
                        String leaseKey = lease.getLeaseKey();
                        String lastOwner = lastOwners.get(leaseKey);

                        // Color things green when they switch owners, decay the green-ness over time.
                        Integer greenNess = greenNesses.get(leaseKey);
                        if (greenNess == null || lastOwner == null
                                || !lastOwner.equals(lease.getLeaseOwner())) {
                            greenNess = 200;
                        } else {
                            greenNess = Math.max(0, greenNess - 20);
                        }
                        greenNesses.put(leaseKey, greenNess);
                        lastOwners.put(leaseKey, lease.getLeaseOwner());

                        builder.append(String.format("<font color=\"%s\">%03d</font>",
                                String.format("#00%02x00", greenNess), Integer.parseInt(leaseKey))).append(" ");
                    }
                    builder.append("</html>");

                    label.setText(builder.toString());
                    label.revalidate();
                    label.repaint();
                }

                if (ticker.getText().equals("tick")) {
                    ticker.setText("tock");
                } else {
                    ticker.setText("tick");
                }

                try {
                    Thread.sleep(200);
                } catch (InterruptedException e) {
                }
            }
        }

    }.start();

    frame.pack();
    frame.setVisible(true);

    for (LeaseCoordinator<KinesisClientLease> coord : coordinators) {
        coord.start();
    }
}