/**
* Checks whether or not the user has passed a "help" option and is asking for help.
*
* @return {@code true} if the user command line has enabled a "Help" option, {@link false}
* otherwise.
*/
@Override
public boolean isAskingForHelp() {
for (Option option : cli.getOptions()) {
if (option.isHelp() && isSeenInCommandLine(option)) {
return true;
}
}
return false;
}
@Override
public boolean isFlagEnabled(String name) {
Option option = cli.getOption(name);
if (option == null) {
throw new IllegalArgumentException("Cannot find the option '" + name + "'");
}
if (option.isFlag()) {
return optionsSeenInCommandLine.contains(option);
} else {
throw new IllegalStateException(
"Cannot retrieve the flag value on a non-flag option (" + name + ")");
}
}
@Override
public String getRawValueForOption(Option option) {
if (isOptionAssigned(option)) {
return getRawValuesForOption(option).get(0);
}
return option.getDefaultValue();
}
public DefaultCommandLine addRawValue(Option option, String value) {
if (!acceptMoreValues(option) && !option.isFlag()) {
throw new CLIException(
"The option " + option.getName() + " does not accept value or has " + "already been set");
}
if (!option.getChoices().isEmpty() && !option.getChoices().contains(value)) {
throw new InvalidValueException(option, value);
}
List<String> list = optionValues.get(option);
if (list == null) {
list = new ArrayList<>();
optionValues.put(option, list);
}
list.add(value);
return this;
}
@Override
public boolean acceptMoreValues(Option option) {
return option.isMultiValued() || option.isSingleValued() && !isOptionAssigned(option);
}