The original argv package was taken from with the following license/note:

The Argv Library is Copyright (C) 2001 - 2002 by Oliver Goldman. All Rights Reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted. 

The following modifications were made:

  • Added ArgvTest class to test directory.
  • Added sub-classes DoubleOption and IntOption and their Parameter classes.
  • Added String constructor to ArgumentParser to allow to set the program name, printed in Usage.
  • Added name of parameter to StringOption, PairOption, NumberOption, DoubleOption and IntOption.
  • Added MissingArgumentException and ArgumentFormatException.
  • Renamed arguments to options in ArgumentParser.
  • Added addParameter and addOption methods to ArgumentParser
  • Renamed all ...Argument classes to ...Option classes
  • Split Argument in Option and Parameter interface.
  • Added ...Parameter classes
  • Changed printUsage to handle proper widths for printing Usage
  • Added BailOutException for internal use, to abort parsing arguments and return (for instance to show help or version).
  • Added MultiStringOption to allow for mulitple occurences of options such as -I