SQL & PL/SQL

Hi All,

I wanted to convert some Java procedures to PL/SQL procedures due to performance issues. Is there any tool or inbuild utility in Oracle to do that or Do I need to manually re-write the logic?


Eg. this simple java code, if I want to convert to PL/SQL

	private static final long calculateDays(Date dateEarly, Date dateLater) {
        long lngNoOfDays = 0;
        if (dateEarly.before(dateLater) || dateEarly.equals(dateLater)) {
            lngNoOfDays = (dateLater.getTime() - dateEarly.getTime()) / (24 * 60 * 60 * 1000);
            lngNoOfDays = lngNoOfDays + 1;
        } 
        return lngNoOfDays;
    }

Thanks.