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 $

      Logger.getLogger("org.apache.zookeeper").setLevel(Level.ERROR);
      Logger.getLogger("org.apache.hadoop.hbase").setLevel(Level.ERROR);
      Logger.getLogger("org.apache.hadoop.hbase.master.RegionPlacementMaintainer")
      .setLevel(Level.INFO);


      CommandLine cmd = new GnuParser().parse(opt, args);
      Configuration conf = HBaseConfiguration.create();


      boolean enforceMinAssignmentMove = true;
      boolean enforceLocality = true;
      boolean verificationDetails = false;

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      Options options = new Options();
      options.addOption("s", "start", true, "start key");
      options.addOption("e", "end", true, "end key");
      options.addOption("l", "limit", true, "number to print");


      GnuParser parser = new GnuParser();
      CommandLine cmd = null;
      try {
        cmd = parser.parse(options, args);
        if (cmd.getArgs().length != 0) {
          throw new ParseException("Command takes no arguments");
        }
      } catch (ParseException e) {
        System.err.println("Failed to parse command line " + e.getMessage());

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      Options options = new Options();
      options.addOption("n", "num", true, "number of queries");
      options.addOption("s", "start", true, "key to start at, binary string");
      options.addOption("l", "logevery", true, "log every N queries");


      GnuParser parser = new GnuParser();
      CommandLine cmd = null;
      try {
        cmd = parser.parse(options, args);
        if (cmd.getArgs().length != 0) {
          throw new ParseException("Command takes no arguments");
        }
      } catch (ParseException e) {
        System.err.println("Failed to parse command line " + e.getMessage());

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        }


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

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      Options options = new Options();
      options.addOption("s", "start", true, "start key");
      options.addOption("e", "end", true, "end key");
      options.addOption("l", "limit", true, "number to print");


      GnuParser parser = new GnuParser();
      CommandLine cmd = null;
      try {
        cmd = parser.parse(options, args);
        if (cmd.getArgs().length != 0) {
          throw new ParseException("Command takes no arguments");
        }
      } catch (ParseException e) {
        System.err.println("Failed to parse command line " + e.getMessage());

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    return options;
  }
  
  public static void 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("MockEspressoService: failed to parse command-line options: "
          + pe.toString());

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      Options options = new Options();
      options.addOption("n", "num", true, "number of queries");
      options.addOption("s", "start", true, "key to start at, binary string");
      options.addOption("l", "logevery", true, "log every N queries");


      GnuParser parser = new GnuParser();
      CommandLine cmd = null;
      try {
        cmd = parser.parse(options, args);
        if (cmd.getArgs().length != 0) {
          throw new ParseException("Command takes no arguments");
        }
      } catch (ParseException e) {
        System.err.println("Failed to parse command line " + e.getMessage());

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    public MyOptions(String[] args) {
      seed = System.nanoTime();


      try {
        Options opts = buildOptions();
        CommandLineParser parser = new GnuParser();
        CommandLine line = parser.parse(opts, args, true);
        processOptions(line, opts);
        validateOptions();
      }
      catch (ParseException e) {
        System.out.println(e.getMessage());

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    helpFormatter.setWidth(1000);
    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());
      printUsage(cliOptions);
      System.exit(1);

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