Examples of org.apache.commons.cli.Options.addOption()

org.apache.commons.cli.Options.addOption()
Add an option that only contains a short-name. It may be specified as requiring an argument. @param opt Short single-character name of the option. @param hasArg flag signally if an argument is required after this option @param description Self-documenting description @return the resulting Options instance


    options.addOption("m", MIN_WORKERS_OPTION, true,
        "The minimum number of worker threads for " +
        ImplType.THREAD_POOL.simpleClassName());


    options.addOption("w", MAX_WORKERS_OPTION, true,
        "The maximum number of worker threads for " +
        ImplType.THREAD_POOL.simpleClassName());


    options.addOption("q", MAX_QUEUE_SIZE_OPTION, true,
        "The maximum number of queued requests in " +

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    options.addOption("w", MAX_WORKERS_OPTION, true,
        "The maximum number of worker threads for " +
        ImplType.THREAD_POOL.simpleClassName());


    options.addOption("q", MAX_QUEUE_SIZE_OPTION, true,
        "The maximum number of queued requests in " +
        ImplType.THREAD_POOL.simpleClassName());


    options.addOption("k", KEEP_ALIVE_SEC_OPTION, true,
        "The amount of time in secods to keep a thread alive when idle in " +

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    options.addOption("q", MAX_QUEUE_SIZE_OPTION, true,
        "The maximum number of queued requests in " +
        ImplType.THREAD_POOL.simpleClassName());


    options.addOption("k", KEEP_ALIVE_SEC_OPTION, true,
        "The amount of time in secods to keep a thread alive when idle in " +
        ImplType.THREAD_POOL.simpleClassName());


    options.addOptionGroup(ImplType.createOptionGroup());

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  public static void main(String[] args) throws Exception {
    Options options = new Options();
    Option opt = new Option("c", true, "checkpoint directory");
    opt.setRequired(true);
    options.addOption(opt);
    opt = new Option("l", true, "comma-separated list of log directories");
    opt.setRequired(true);
    options.addOption(opt);
    options.addOption(opt);
    opt = new Option("t", true, "capacity of the channel");

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    Option opt = new Option("c", true, "checkpoint directory");
    opt.setRequired(true);
    options.addOption(opt);
    opt = new Option("l", true, "comma-separated list of log directories");
    opt.setRequired(true);
    options.addOption(opt);
    options.addOption(opt);
    opt = new Option("t", true, "capacity of the channel");
    opt.setRequired(true);
    options.addOption(opt);
    CommandLineParser parser = new GnuParser();

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    opt.setRequired(true);
    options.addOption(opt);
    opt = new Option("l", true, "comma-separated list of log directories");
    opt.setRequired(true);
    options.addOption(opt);
    options.addOption(opt);
    opt = new Option("t", true, "capacity of the channel");
    opt.setRequired(true);
    options.addOption(opt);
    CommandLineParser parser = new GnuParser();
    CommandLine cli = parser.parse(options, args);

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    opt.setRequired(true);
    options.addOption(opt);
    options.addOption(opt);
    opt = new Option("t", true, "capacity of the channel");
    opt.setRequired(true);
    options.addOption(opt);
    CommandLineParser parser = new GnuParser();
    CommandLine cli = parser.parse(options, args);
    File checkpointDir = new File(cli.getOptionValue("c"));
    String[] logDirs = cli.getOptionValue("l").split(",");
    List<File> logFiles = Lists.newArrayList();

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  }


  private boolean parseCommandLine(String[] args) throws ParseException {
    Options options = new Options();


    options.addOption("p", "port", true, "port of the avro source")
        .addOption("H", "host", true, "hostname of the avro source")
        .addOption("F", "filename", true, "file to stream to avro source")
        .addOption(null, "dirname", true, "directory to stream to avro source")
        .addOption("R", "headerFile", true, ("file containing headers as " +
            "key/value pairs on each new line"))

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        Options options = new Options();
        Option opt;


        opt = new Option(APP_PATH, true, "Application Path");
        opt.setRequired(false);
        options.addOption(opt);


        opt = new Option(APP_PORT, true, "Application Port");
        opt.setRequired(false);
        options.addOption(opt);

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            .hasArg()
            .withDescription(  "list files in given dir" )
            .create( "dir" );
        Options options = new Options();


        options.addOption(dir);
        
        return options;
    }
    
    public static void main(String[] args) throws Exception {

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