String formatShortDateTime(Date d) {
        if (d == null) {
            return "";
        }
        return shortDateTimeFormatter.format(d);
    }
Internal class.  Needs to be instantiated for each parse because of
the lack of thread safety with the dateTimeFormatter
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/JackcessExtractor.java