code: private static void parseCommandLineArguments(String[] commandLineArguments) {
  	Options options = constructGnuOptions();
  
  	CommandLineParser parser = new GnuParser();
  	
  	try {
  	    CommandLine line = parser.parse(options, commandLineArguments);
  
  	    if (line.hasOption(HELP_OPTION)) {
  		printHelp(options);
  	    }
  
  	    if (line.hasOption(DEBUG_OPTION)) {
  		debugEnabled = true;
  	    }
  
  	    if (!debugEnabled && line.hasOption(QUIET_OPTION)) {
  		quiet = true;
  	    }
  	} catch (Throwable t) {
  	    printHelp(options);
  	}
      }
docs: Parses command line arguments.
  
  @param commandLineArguments
  - The arguments.