public static Date convertLocalTime2Date(LocalTime localTime) {
        return convertLocalTime2Date(localTime, ZoneId.systemDefault());
    }
Write the value of Calendar options

@param context
@param uicalendar component
@param optionName the name of an option
@param values the List values of an option
@param pattern the pattern for formatting
@throws IOException if writer is null
primefaces/src/main/java/org/primefaces/util/CalendarUtils.java