How to use

OptionException

in

org.apache.commons.cli2

log.error("OptionException", e.getMessage());
HelpFormatter formatter = new HelpFormatter();
formatter.setGroup(group);

final PrintWriter out = getPrintWriter();
if ((getException() != null) && (getException().getOption() != null)) {
  option = getException().getOption();
} else if (cmd != null) {
  option = cmd.getCommand();

 dictionary = VectorHelper.loadTermDictionary(conf, cmdLine.getValue(dictOpt).toString());
} else {
 throw new OptionException(dictTypeOpt);

log.warn(e.toString(), e);
CommandLineUtil.printHelp(group);

 weight = new TFIDF();
} else {
 throw new OptionException(weightOpt);

log.warn(e.toString(), e);
CommandLineUtil.printHelp(group);

 processIdf = true;
} else {
 throw new OptionException(weightOpt);

log.error(e.getMessage());
CommandLineUtil.printHelpWithGenericOptions(group, e);
return null;

log.warn(e.toString(), e);
CommandLineUtil.printHelp(group);

 processIdf = true;
} else {
 throw new OptionException(weightOpt);

log.error(e.getMessage());
CommandLineUtil.printHelpWithGenericOptions(group, e);
return null;

log.warn(e.toString());
CommandLineUtil.printHelp(group);

 processIdf = true;
} else {
 throw new OptionException(weightOpt);

log.error(e.getMessage());
CommandLineUtil.printHelpWithGenericOptions(group, e);
return null;

log.warn(e.toString());
CommandLineUtil.printHelp(group);

 throw new OptionException(testSplitSizeOpt, "must have either split size or split percentage option, not BOTH");
} else if (!cmdLine.hasOption(testSplitSizeOpt) && !cmdLine.hasOption(testSplitPctOpt)) {
 throw new OptionException(testSplitSizeOpt, "must have either split size or split percentage option");

  execute(cl);
} catch (OptionException e) {
  log.error("{}. Type --help for more information.", e.getMessage());
} catch (ExecutionException e) {
  log.error("Error while starting: {}", e.getMessage());

log.warn(e.toString());
CommandLineUtil.printHelp(group);

log.warn(e.toString(), e);
CommandLineUtil.printHelp(group);

log.warn(e.toString(), e);
CommandLineUtil.printHelp(group);