Date Conversions

- How to get Day of Week from a given Date ?


Calendar c = Calendar.getInstance();
c.setTime(yourDate);
int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);

-> To convert Date String to java.util.Date based on given date/time format and timezone

    public static Date parse(String dateString,

                             String dateFormat,String pTimezone) throws ParseException {

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat(dateFormat);

simpleDateFormat .setTimeZone(pTimeZone);

        simpleDateFormat.setLenient(false); // Don't automatically convert invalid date.

        return simpleDateFormat.parse(dateString);

    }

-> To convert a java.util.Date to oracle.jbo.domain.Date

  public static oracle.jbo.domain.Date toJboDate(Date pJavaDate)

  {

    return new oracle.jbo.domain.Date(new Timestamp(pJavaDate.getTime()));

  }

-> To convert Date String to java.util.Date based on given format and and timezone

  public String formatDateTime(Date pJavaDate, String pFormat,

                               TimeZone pTimeZone)

  {

    String formattedString = null;

    SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pFormat);

    simpleDateFormat .setLenient(false);

    simpleDateFormat .setTimeZone(pTimeZone);

    formattedString = simpleDateFormat.format(pJavaDate);

    return formattedString;

  }