Package snaq.util.jclap

Class BooleanOption

java.lang.Object

snaq.util.jclap.Option<Boolean>

snaq.util.jclap.BooleanOption

public final class BooleanOption
extends Option<Boolean>

Implementation of an Option with value of type Boolean (otherwise known as a "flag").

Author:

Giles Winstanley

Field Summary

Fields inherited from class snaq.util.jclap.Option

BUNDLE, LOCALE, MAX_COUNT_LIMIT, MIN_COUNT_LIMIT

Constructor Summary

Constructors

Constructor	Description
BooleanOption(String shortName, String longName, String description, boolean allowMany)	Creates a new BooleanOption instance.
BooleanOption(String shortName, String longName, String description, int minCount, int maxCount)	Creates a new BooleanOption instance.

Method Summary

Modifier and Type	Method	Description
Class<Boolean>	getType()	Returns the class type of value this option can take.
protected Boolean	parseValue(String arg, Locale locale)	Parsing of a flag option makes little sense.

Methods inherited from class snaq.util.jclap.Option

addValue, equals, getDescription, getLongName, getMaxCount, getMinCount, getShortName, getValues, hashCode, isAllowMany, isHidden, isMandatory, requiresValue, setHidden, setMinMaxCounts, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BooleanOption

public BooleanOption(String shortName,
                     String longName,
                     String description,
                     int minCount,
                     int maxCount)

Creates a new BooleanOption instance.

Parameters:

shortName - short name of the option (e.g. -?)

longName - long name of the option (e.g. --help)

description - helpful description of the option (printed for usage message)

minCount - minimum number of occurrences required for this option

maxCount - maximum number of occurrences required for this option

BooleanOption

public BooleanOption(String shortName,
                     String longName,
                     String description,
                     boolean allowMany)

Creates a new BooleanOption instance.

Parameters:

shortName - short name of the option (e.g. -?)

longName - long name of the option (e.g. --help)

description - helpful description of the option (printed for usage message)

allowMany - whether this option can take more than one value (i.e. be specified more than once)

Method Detail

parseValue

protected Boolean parseValue(String arg,
                             Locale locale)
                      throws OptionException

Parsing of a flag option makes little sense. Possible argument for case of -f=true / --flag=1 / etc.

Specified by:

parseValue in class Option<Boolean>

Parameters:

arg - string argument from which a value is to be parsed

locale - locale as specified when initializing the CLAParser instance

Returns:

Value of the parsed argument string

Throws:

OptionException - if a problem occurs while parsing the argument string

getType

public Class<Boolean> getType()

Description copied from class: Option

Returns the class type of value this option can take.

Specified by:

getType in class Option<Boolean>

Returns:

Class instance