org.freehep.util.argv
Class BooleanOption

java.lang.Object
  org.freehep.util.argv.BooleanOption

All Implemented Interfaces:

Option

public class BooleanOption
extends Object
implements Option

A Boolean option for use with ArgumentParser. It is false unless the flag is found in the command line, in which case it is true.

Constructor Summary

BooleanOption(String flag, String description)

BooleanOption(String flag, String description, boolean bailOut)

BooleanOption(String flag, String shortCut, String description)

BooleanOption(String flag, String shortCut, String description, boolean bailOut)

Method Summary

String	getOption() Must return the flag and parameters of this option.
String	getUsage() Must return a description of the usage of this option.
boolean	getValue() Returns the boolean value of this option.
int	parse(List<String> values) Parsing method invoked by ArgumentParser.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BooleanOption

public BooleanOption(String flag,
                     String description)

BooleanOption

public BooleanOption(String flag,
                     String description,
                     boolean bailOut)

BooleanOption

public BooleanOption(String flag,
                     String shortCut,
                     String description)

BooleanOption

public BooleanOption(String flag,
                     String shortCut,
                     String description,
                     boolean bailOut)

Method Detail

getValue

public boolean getValue()

Returns the boolean value of this option. By default, the option's value is false; it is true if the flag was found when the command line was parsed.

parse

public int parse(List<String> values)
          throws BailOutException

Parsing method invoked by ArgumentParser.

Specified by:

parse in interface Option

Throws:

BailOutException

getOption

public String getOption()

Description copied from interface: Option

Must return the flag and parameters of this option.

Specified by:

getOption in interface Option

getUsage

public String getUsage()

Description copied from interface: Option

Must return a description of the usage of this option.

Specified by:

getUsage in interface Option