private static DocumentProtocol.Priority getPriority(CommandLine cl) throws ParseException {
        String priority = cl.getOptionValue(PRIORITY_OPTION, "NORMAL_2");
        return parsePriority(priority);
    }
This class is responsible for parsing the command line arguments and print the help page.

@author bjorncs
vespaclient-java/src/main/java/com/yahoo/vespaget/CommandLineOptions.java