Examples of org.apache.commons.cli.GnuParser

org.apache.commons.cli.GnuParser
The class GnuParser provides an implementation of the {@link Parser#flatten(Options,String[],boolean) flatten} method. @author John Keyes (john at integralsource.com) @see Parser @version $Revision: 542151 $

     * @throws IOException
     */
    public static void main(String[] args) throws IOException {
        Options options = getOptions();
        CommandLine cmd = null;
        CommandLineParser parser = new GnuParser();
        try {
            cmd = parser.parse(options, args);
        } catch (ParseException pe) {
            LOG.error(pe.getMessage());
            printHelp(options);
            System.exit(-1);
        }

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  private static final Integer BEAKER_SERVER_PORT_OFFSET = 2;


  private static CommandLine parseCommandLine(String[] args)
    throws ParseException
  {
    CommandLineParser parser = new GnuParser();
    Options opts = new Options();
    opts.addOption("h", "help", false, "print this message");
    opts.addOption(null, "disable-kerberos", false, "do not require kerberos authentication");
    opts.addOption(null, "open-browser", true, "open a web browser connected to the Beaker server");
    opts.addOption(null, "port-base", true, "main port number to use, other ports are allocated starting here");
    opts.addOption(null, "default-notebook", true, "file name to find default notebook");
    opts.addOption(null, "plugin-option", true, "pass option on to plugin");
    opts.addOption(null, "public-server", false, "allow connections from external computers");
    opts.addOption(null, "no-password", false, "do not require a password from external connections " +
                   "(warning: for advanced users only!)");
    CommandLine line = parser.parse(opts, args);
    if (line.hasOption("help")) {
      new HelpFormatter().printHelp("beaker.command", opts);
      System.exit(0);
    }
    return line;

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        .create());
    options.addOption(OptionBuilder
        .withLongOpt(OPT_NUM_APPENDS).hasArg()
        .withDescription("number of appends per thread")
        .create());
    CommandLineParser parser = new GnuParser();
    CommandLine line;
    try {
      line = parser.parse( options, args );
      if (line.getArgs().length != 0) {
        throw new ParseException("Unexpected options");
      }
    } catch (ParseException pe) {
      HelpFormatter formatter = new HelpFormatter();

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   * @return Command-specific arguments
   */
  private String[] parseGeneralOptions(Options opts, Configuration conf, 
      String[] args) {
    opts = buildGeneralOptions(opts);
    CommandLineParser parser = new GnuParser();
    try {
      commandLine = parser.parse(opts, args, true);
      processGeneralOptions(conf, commandLine);
      return commandLine.getArgs();
    } catch(ParseException e) {
      LOG.warn("options parsing failed: "+e.getMessage());

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   */
  private boolean parseArguments(String[] args) {
    Options options = makeOptions();
    CommandLine cli;
    try {
      CommandLineParser parser = new GnuParser();
      cli = parser.parse(options, args);
    } catch(ParseException e) {
      LOG.warn("options parsing failed:  "+e.getMessage());
      new HelpFormatter().printHelp("...", options);
      return false;
    }

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import org.apache.hadoop.util.ToolRunner;


public class JRubyJobRunner extends Configured implements Tool {


  public int run(String[] args) throws Exception {
    CommandLineParser parser = new GnuParser();
    Options options = new Options();
    options.addOption(new Option("script", true, "ruby script"));
    options
        .addOption(new Option("dslfile", true, "hadoop ruby DSL script"));


    CommandLine commandLine = parser.parse(options, args);
    JobConf conf = new JobConf(getConf(), JRubyJobRunner.class);
    conf.setJobName("ruby.runner");


    if (commandLine.hasOption("script")) {
      conf.set("mapred.ruby.script", commandLine.getOptionValue("script",

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    }


    int exitCode = -1;
    CommandLine cliParser = null;
    try {
      cliParser = new GnuParser().parse(opts, args);
    } catch (MissingArgumentException ex) {
      sysout.println("Missing argument for options");
      printUsage(title, opts);
      return exitCode;
    }

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        throws ParseException
    {
        // We need to eat any quotes surrounding arguments...
        String[] cleanArgs = cleanArgs( args );


        CommandLineParser parser = new GnuParser();
        return parser.parse( options, cleanArgs );
    }

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    helpFormatter.printHelp("java " + ClusterSetup.class.getName(), cliOptions);
  }


  public static CommandLine processCommandLineArgs(String[] cliArgs)
  {
    CommandLineParser cliParser = new GnuParser();
    Options cliOptions = constructCommandLineOptions();
    // CommandLine cmd = null;


    try
    {
      return cliParser.parse(cliOptions, cliArgs);
    }
    catch (ParseException pe)
    {
      System.err.println("CommandLineClient: failed to parse command-line options: "
          + pe.toString());

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    return bytes;
  }


  public static int processCommandLineArgs(String[] cliArgs) throws Exception
  {
    CommandLineParser cliParser = new GnuParser();
    Options cliOptions = constructCommandLineOptions();
    CommandLine cmd = null;


    try
    {
      cmd = cliParser.parse(cliOptions, cliArgs);
    }
    catch (ParseException pe)
    {
      System.err.println("CommandLineClient: failed to parse command-line options: "
          + pe.toString());

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