question: public static DateTime toDateTime ( Locale locale , String str , TimeZone tz , boolean useCommomDateParserAsWell ) throws PageException { DateTime dt = toDateTime ( locale , str , tz , null , useCommomDateParserAsWell ) ; if ( dt == null ) { String prefix = locale . getLanguage ( ) + "-" + locale . getCountry ( ) + "-" ; throw new ExpressionException ( "can't cast [" + str + "] to date value" , "to add custom formats for " + LocaleFactory . toString ( locale ) + ", create/extend on of the following files [" + prefix + "datetime.df (for date time formats), " + prefix + "date.df (for date formats) or " + prefix + "time.df (for time formats)] in the following directory [<context>/lucee/locales]." + "" ) ; } return dt ; }
target:  parse a string to a Datetime Object