Method Detail

• appendUsage

  void appendUsage(StringBuffer buffer,
                 Set helpSettings,
                 Comparator comp,
                 String separator)

  Appends usage information to the specified StringBuffer

  Parameters:

  buffer - the buffer to append to

  helpSettings - a set of display settings @see DisplaySetting

  comp - a comparator used to sort the Options

  separator - the String used to separate member Options

• isRequired

  boolean isRequired()

  Indicates whether group members must be present for the CommandLine to be valid.

  Specified by:

  isRequired in interface Option

  Returns:

  true iff the CommandLine will be invalid without at least one member option

  See Also:

  getMinimum(), getMaximum()

• getMinimum

  int getMinimum()

  Retrieves the minimum number of members required for a valid Group

  Returns:

  the minimum number of members

• getMaximum

  int getMaximum()

  Retrieves the maximum number of members acceptable for a valid Group

  Returns:

  the maximum number of members