question: @ Override public void invokeCommand ( int argLength , String [ ] args , String command ) { Pattern regex = null ; if ( args . length == 1 ) { regex = Pattern . compile ( args [ 0 ] ) ; } else if ( args . length != 0 ) { throw new UsageException ( "help [command]" ) ; } for ( AbstractCommand cmd : CommandBus . commands ) tryRegex ( regex , cmd ) ; for ( FuzzyCommand cmd : CommandBus . parsers ) tryRegex ( regex , cmd ) ; }
target:  Invoke the command if the name matches the one to be triggered