Package org.apache.commons.cli

Examples of org.apache.commons.cli.HelpFormatter

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    public static int execute(String[] args) {
        Configuration conf;
        try {
            conf = parseConfiguration(args);
        } catch (Exception e) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.setWidth(Integer.MAX_VALUE);
            formatter.printHelp(
                    MessageFormat.format(
                            "java -classpath ... {0}",
                            Main.class.getName()),
                    OPTIONS,
                    true);
            LOG.error(MessageFormat.format(
                    "Invalid program arguments: {0}",
                    Arrays.toString(args)), e);
            return 2;
        }
        try {
            execute(conf);
        } catch (IllegalArgumentException e) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.setWidth(Integer.MAX_VALUE);
            formatter.printHelp(
                    MessageFormat.format(
                            "java -classpath ... {0}",
                            Main.class.getName()),
                    OPTIONS,
                    true);
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        assert args != null;
        Configuration conf;
        try {
            conf = parseConfiguration(args);
        } catch (Exception e) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.setWidth(Integer.MAX_VALUE);
            formatter.printHelp(
                    MessageFormat.format(
                            "java -classpath ... {0}",
                            Yaess.class.getName()),
                    OPTIONS,
                    true);
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        GenerateTask task;
        try {
            Configuration conf = configure(args);
            task = new GenerateTask(conf);
        } catch (Exception e) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.setWidth(Integer.MAX_VALUE);
            formatter.printHelp(
                    MessageFormat.format(
                            "java -classpath ... {0}",
                            Main.class.getName()),
                    OPTIONS,
                    true);
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        GenerateTask task;
        try {
            Configuration conf = loadConfigurationFromArguments(args);
            task = new GenerateTask(conf);
        } catch (Exception e) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.setWidth(Integer.MAX_VALUE);
            formatter.printHelp(
                    MessageFormat.format(
                            "java -classpath ... {0}",
                            Main.class.getName()),
                    OPTIONS,
                    true);
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   *
   * @param opts
   */
  @VisibleForTesting
  void printUsage(String title, Options opts) {
    new HelpFormatter().printHelp(title, opts);
  }
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      String header = "The Secondary NameNode is a helper "
          + "to the primary NameNode. The Secondary is responsible "
          + "for supporting periodic checkpoints of the HDFS metadata. "
          + "The current design allows only one Secondary NameNode "
          + "per HDFS cluster.";
      HelpFormatter formatter = new HelpFormatter();
      formatter.printHelp("secondarynamenode", header, options, "", false);
    }
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    public void displayHelp()
    {
        System.out.println();

        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp( "mvn [options] [<goal(s)>] [<phase(s)>]", "\nOptions:", options, "\n" );
    }
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    /**
     * Prints usage information to stdout.
     */
    private static void printUsage()
    {
        HelpFormatter hf = new HelpFormatter();
        String header = String.format(
                "%nAvailable commands: ring, info, cleanup, compact, cfstats, snapshot [name], clearsnapshot, " +
                "tpstats, flush, repair, decommission, move, loadbalance, removetoken, " +
                " getcompactionthreshold, setcompactionthreshold [minthreshold] ([maxthreshold])");
        String usage = String.format("java %s -host <arg> <command>%n", NodeProbe.class.getName());
        hf.printHelp(usage, "", options, header);
    }
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  public static void main(String[] args) throws Exception
  {
    if (args == null || args.length == 0)
    {
      HelpFormatter helpFormatter = new HelpFormatter();
      helpFormatter.printHelp("java " + ZKDumper.class.getName(), options);
      System.exit(1);
    }
    CommandLineParser parser = new PosixParser();
    CommandLine cmd = parser.parse(options, args);
    cmd.hasOption("zkSvr");
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    return options;
  }

  public static void printUsage(Options cliOptions)
  {
    HelpFormatter helpFormatter = new HelpFormatter();
    helpFormatter.setWidth(1000);
    helpFormatter.printHelp("java " + ClusterSetup.class.getName(), cliOptions);
  }
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