wyvern.kernel.commands.filters
Class CommandFilterFactory

java.lang.Object
  wyvern.kernel.commands.filters.CommandFilterFactory

public final class CommandFilterFactory

extends java.lang.Object

Factory/registry for CommandFilter objects. Provides a parse() method for parsing a filter, such as "wc -l" or "egrep [^|]", into a CommandFilter implementation object. Also provides a mechanism (eventually) for registering your own CommandFilter implementations that other Wizards can use.

Version:

1.0, Jun 12, 2003

Author:

Steve Yegge

Method Summary

static void	main(java.lang.String[] args) Test suite.
static CommandFilter	parse(java.lang.String command) Parses a filter command such as "sort -r" or "grep (telnet)" into a CommandFilter that can implement the passed filter command.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

parse

public static CommandFilter parse(java.lang.String command)
                           throws java.lang.ClassNotFoundException

Parses a filter command such as "sort -r" or "grep (telnet)" into a CommandFilter that can implement the passed filter command.

Parameters:

command - the filter command to parse

Returns:

a CommandFilter implementation object to handle the passed filter command.

Throws:

java.lang.ClassNotFoundException - if no implementation could be instantiated for the command.

java.lang.IllegalArgumentException - if the arguments to the filter command were invalid.

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Test suite.

Throws:

java.lang.Exception