Parser creates CommandLine s.

Thrown when more than one option in an option group has been provided.

Represents list of arguments parsed against a Options descriptor.

It allows querying of a boolean #hasOption(String opt) , in addition to retrieving the #getOptionValue(String opt) for options requiring arguments.

Additionally, any left-over or unrecognized arguments, are available for further processing.

This class implements the Comparator interface for comparing Options.

Thrown when an option requiring an argument is not provided with an argument.

Thrown when a required option has not been provided.

Describes a single command-line option. 

OptionBuilder allows the user to create Options using descriptive methods.

Details on the Builder pattern can be found at http://c2.com/cgi-bin/wiki?BuilderPattern.

Main entry-point into the library.

Options represents a collection of Option objects, which describe the possible options for a command-line.

It may flexibly parse long and short options, with or without values. 

Base for Exceptions thrown during parsing of a command-line.

Allows Options to be created from a single String. 

Exception thrown during parsing signalling an unrecognized option was seen.

This is a collection of tests that test real world applications command lines.