joptsimple

Interface OptionDescriptor

All Known Implementing Classes:

AbstractOptionSpec, ArgumentAcceptingOptionSpec, NonOptionArgumentSpec, OptionSpecBuilder

public interface OptionDescriptor

Describes options that an option parser recognizes, in ways that might be useful to help screens.

Author:

Paul Holser

Method Summary

Modifier and Type	Method and Description
boolean	acceptsArguments() Does this option accept arguments?
String	argumentDescription() Gives a short description of the option's argument.
String	argumentTypeIndicator() Gives an indication of the expected type of the option's argument.
List<?>	defaultValues() What values will the option take if none are specified on the command line?
String	description() Description of this option's purpose.
boolean	isRequired() Is this option required on a command line?
List<String>	options() A set of options that are mutually synonymous.
boolean	representsNonOptions() Tells whether this object represents the non-option arguments of a command line.
boolean	requiresArgument() Does this option require an argument?

Method Detail

options

List<String> options()

A set of options that are mutually synonymous.

Returns:

synonymous options

description

String description()

Description of this option's purpose.

Returns:

a description for the option

defaultValues

List<?> defaultValues()

What values will the option take if none are specified on the command line?

Returns:

any default values for the option

isRequired

boolean isRequired()

Is this option required on a command line?

Returns:

whether the option is required

acceptsArguments

boolean acceptsArguments()

Does this option accept arguments?

Returns:

whether the option accepts arguments

requiresArgument

boolean requiresArgument()

Does this option require an argument?

Returns:

whether the option requires an argument

argumentDescription

String argumentDescription()

Gives a short description of the option's argument.

Returns:

a description for the option's argument

argumentTypeIndicator

String argumentTypeIndicator()

Gives an indication of the expected type of the option's argument.

Returns:

a description for the option's argument type

representsNonOptions

boolean representsNonOptions()

Tells whether this object represents the non-option arguments of a command line.

Returns:

true if this represents non-option arguments