Examples with OptionHandlerFilter org.kohsuke.args4j.OptionHandlerFilter used on opensource projects

Example 1 with OptionHandlerFilter

use of org.kohsuke.args4j.OptionHandlerFilter in project asterixdb by apache.

the class ConfigManager method processCommandLine.

// use of System.err, System.exit()
@SuppressWarnings({ "squid:S106", "squid:S1147" })
private List<String> processCommandLine(Collection<Section> sections, OptionHandlerFilter usageFilter, BiConsumer<IOption, Object> setAction) throws CmdLineException {
    final Args4jBean bean = new Args4jBean();
    CmdLineParser cmdLineParser = new CmdLineParser(bean);
    final List<String> appArgs = new ArrayList<>();
    List<IOption> commandLineOptions = new ArrayList<>();
    for (Map.Entry<Section, Map<String, IOption>> sectionMapEntry : sectionMap.entrySet()) {
        if (!sections.contains(sectionMapEntry.getKey())) {
            continue;
        }
        for (IOption option : sectionMapEntry.getValue().values()) {
            if (option.section() != Section.VIRTUAL) {
                commandLineOptions.add(option);
            }
        }
    }
    commandLineOptions.sort(Comparator.comparing(IOption::cmdline));
    commandLineOptions.forEach(option -> cmdLineParser.addOption(new Args4jSetter(option, setAction, false), new Args4jOption(option, this, option.type().targetType())));
    if (!argListeners.isEmpty()) {
        cmdLineParser.addArgument(new Args4jSetter(o -> appArgs.add(String.valueOf(o)), true, String.class), new Args4jArgument());
    }
    LOGGER.fine("parsing cmdline: " + Arrays.toString(args));
    if (args == null || args.length == 0) {
        LOGGER.info("no command line args supplied");
        return appArgs;
    }
    try {
        cmdLineParser.parseArgument(args);
    } catch (CmdLineException e) {
        if (!bean.help) {
            ConfigUtils.printUsage(e, usageFilter, System.err);
            throw e;
        } else {
            LOGGER.log(Level.FINE, "Ignoring parse exception due to -help", e);
        }
    }
    if (bean.help) {
        ConfigUtils.printUsage(cmdLineParser, usageFilter, System.err);
        System.exit(0);
    } else if (bean.version) {
        System.err.println(versionString);
        System.exit(0);
    }
    return appArgs;
}