Package Apache.CLI

Apache Commons CLI provides a simple API for presenting, processing and validating a Command Line Interface.

Argument List: Examine Results
Java Entity	Description
CommandLine	Represents list of arguments parsed against a Options descriptor
CommandLine.Builder	A nested builder class to create CommandLine instance using descriptive methods
Argument List: Parse main String[]
Java Entity	Description
CommandLineParser	A class that implements the CommandLineParser interface can parse a String array according to the Options specified and return a CommandLine
DefaultParser	Default parser
DefaultParser.Builder	A nested builder class to create DefaultParser instances using descriptive methods
Argument List: Define Options
Java Entity	Description
Option	Describes a single command-line option
Option.Builder	A nested builder class to create Option instances using descriptive methods
OptionGroup	A group of mutually exclusive options
Options	Main entry-point into the library
PatternOptionBuilder	Allows Options to be created from a single String
Utility Classes
Java Entity	Description
HelpFormatter	A formatter of help messages for command line options
TypeHandler	This is a temporary implementation
Exceptions
Java Entity	Description
AlreadySelectedException	Thrown when more than one option in an option group has been provided
AmbiguousOptionException	Exception thrown when an option can't be identified from a partial name
MissingArgumentException	Thrown when an option requiring an argument is not provided with an argument
MissingOptionException	Thrown when a required option has not been provided
ParseException	Base for Exceptions thrown during parsing of a command-line
UnrecognizedOptionException	Thrown during parsing signaling an unrecognized option