public static interface CommandLine.IHelpCommandInitializable2
If an error occurs in the
call method while processing the help request, it is recommended custom Help
commands throw a
ParameterException with a reference to the parent command.
default ParameterException handler will print the error message and the usage for the parent command.
|Modifier and Type
|Method and Description
Initializes this object with the information needed to implement a help command that provides usage help for other commands.
void init(CommandLine helpCommandLine, CommandLine.Help.ColorScheme colorScheme, PrintWriter outWriter, PrintWriter errWriter)
helpCommandLine - the
CommandLine object associated with this help command. Implementors can use
this to walk the command hierarchy and get access to the help command's parent and sibling commands.
colorScheme - the color scheme to use when printing help, including whether to use Ansi colors or not
outWriter - the output writer to print the usage help message to
errWriter - the error writer to print any diagnostic messages to, in addition to the output from the exception handler