/**
* Convenience routine for getting the value of an {@link Option} which is known to be a {@link
* String}.
*
* @param optionName The name of the {@link Option} to fetch.
* @return A {@link String} if the option holds a {@link String}, returns null otherwise.
*/
public static String getString(String optionName) {
// Ensure that the options stash is created
init();
String returnValue = null;
Option<?> opt = get(optionName);
if (opt != null) {
if (isArgument(optionName)) {
if (opt.getValue().size() == 1) {
Object obj = opt.getValue().get(0);
if (obj != null && obj instanceof String) {
returnValue = (String) obj;
}
}
} else if (isEnum(optionName)) {
if (!opt.isMultiValue()) {
if (opt.getValue().size() == 1) {
Object obj = opt.getValue().get(0);
if (obj != null && obj instanceof String) {
returnValue = (String) obj;
}
}
}
}
}
return returnValue;
}
/**
* Convenience routine for finding out if an {@link Option} is a multi-value type or not.
*
* @param optionName The name of the {@link Option} to check.
* @return True if the {@link Option} is a multi-value, false otherwise.
*/
public static boolean isMultiValue(String optionName) {
// Ensure that the options stash is created
init();
Option<?> opt = get(optionName);
if (opt != null) {
return opt.isMultiValue();
} else {
return false;
}
}
