org.apache.commons.cli.Option#setLongOpt ( )源码实例Demo

private static Option registerTaskOption(String opt, String longOpt, String description, int numArgs, LockId... lockIds) {
	Option option = OptionBuilder.create(opt);
	option.setRequired(false);
	option.setDescription("task: " + description);
	option.setLongOpt(longOpt);
	option.setArgs(numArgs);
	taskOptionMap.put(opt, option);
	LinkedHashSet<LockId> taskLockIdMap = new LinkedHashSet<LockId>();
	if (lockIds != null) {
		for (int i = 0; i < lockIds.length; i++) {
			if (lockIds[i] != null) {
				taskLockIdMap.add(lockIds[i]);
			}
		}
	}
	taskLockIdsMap.put(opt, taskLockIdMap);
	return option;
}
 

private Options populateValidOptions() {
    Options validOptions = new Options();
    validOptions.addOption("schema", false, "Loads / Stores the schema of the relation using a hidden JSON file.");
    validOptions.addOption("noschema", false, "Disable attempting to load data schema from the filesystem.");
    validOptions.addOption(TAG_SOURCE_FILE, false, "Appends input source file name to beginning of each tuple.");
    validOptions.addOption(TAG_SOURCE_PATH, false, "Appends input source file path to beginning of each tuple.");
    validOptions.addOption("tagsource", false, "Appends input source file name to beginning of each tuple.");
    Option overwrite = new Option(" ", "Overwrites the destination.");
    overwrite.setLongOpt("overwrite");
    overwrite.setOptionalArg(true);
    overwrite.setArgs(1);
    overwrite.setArgName("overwrite");
    validOptions.addOption(overwrite);
    
    return validOptions;
}
 

/**
 * Creates an Option using OptionBuilder's State and the given parameters.
 *
 * @param opt
 *            short representation of the option
 * @param longOpt
 *            long representation of the option
 * @param desc
 *            descibes the function of the option
 * @return the new Option
 */
public Option create(final String opt, final String longOpt, final String desc) {
    final Option option = new Option(opt, desc);
    option.setLongOpt(longOpt);
    option.setArgs(args);
    option.setRequired(required);
    option.setOptionalArg(optionalArg);
    option.setType(type);
    option.setValueSeparator(valSeparator);
    
    return option;
}
 

private static Option registerOptionalOption(String opt, String longOpt, String description, int numArgs) {
	Option option = OptionBuilder.create(opt);
	option.setRequired(false);
	option.setDescription("option: " + description);
	option.setLongOpt(longOpt);
	option.setArgs(numArgs);
	optionalOptionMap.put(opt, option);
	return option;
}
 

private Option createAnOption(String[] argInfo)
{
	Option opt = new Option(argInfo[0], argInfo[2]);
	if (!isStringEmpty(argInfo[1]))
	{
		opt.setLongOpt(argInfo[1]);
	}

	return opt;
}
 

private Option createAnOptionWithArgument(String[] argInfo)
{
	OptionBuilder.withArgName(argInfo[0]);
	OptionBuilder.hasArg();
	OptionBuilder.withDescription(argInfo[2]);
	Option opt = OptionBuilder.create( argInfo[0]);
	if (!isStringEmpty(argInfo[1]))
	{
		opt.setLongOpt(argInfo[1]);
	}
	return opt;
}
 

private OptionBuilder(String shortName, String longName) {
    option = new Option(shortName, "");
    option.setLongOpt(longName);
    option.setArgName(longName);
}