Java Utililty Methods Date Format

String convertDateToBulgarianFormat(Date date)
convert Date To Bulgarian Format

String dateInBulgarianFormat = dateFormatBulgarian.format(date);
return dateInBulgarianFormat;

String convertDateToCustomFormat(Date date, String datePattern)
convert Date To Custom Format

SimpleDateFormat dateFormatCustom = new SimpleDateFormat(datePattern);
String dateInCustomFormat = dateFormatCustom.format(date);
return dateInCustomFormat;

String convertDateToDateString(Date date)
Converts an instance of java.util.Date into a String using the date format: yyyy-MM-ddZ.

if (date == null) {
 return null;
} else {
 DateFormat df = new SimpleDateFormat("yyyy-MM-dd'Z'");
 df.setTimeZone(TimeZone.getTimeZone("UTC"));
 return df.format(date);

String convertDateToFileName(final Date datum)
konvertiere ein Date in ein lesbareres format.

final Calendar calendar = Calendar.getInstance();
calendar.setTime(datum);
final SimpleDateFormat format = new SimpleDateFormat(DATE_FILE_FORMAT_PATTERN);
return format.format(datum);

String convertDateToGMTDateString(Date date)
convert Date To GMT Date String

SimpleDateFormat sdf = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss z");
TimeZone tz = TimeZone.getTimeZone("GMT");
sdf.setTimeZone(tz);
String dateStr = sdf.format(date);
return dateStr;

String convertDateToHour(Date d)
convert Date To Hour

SimpleDateFormat df = new SimpleDateFormat("HH", new DateFormatSymbols());
return df.format(d);

String convertDateToISO8601(Date date)
Method that converts a Java date to an ISO 8601 string

DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
return dateFormat.format(date);

String convertDateToMMDDYYYY(Date date)
Converts a date object into MM/dd/YYYY.

return MMDDYYYYFormat.format(date);

String convertDateToRpcFormat(Date date)
convert Date To Rpc Format

if (date == null)
 return "";
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH) + 1;
int day = calendar.get(Calendar.DAY_OF_MONTH);
String mDateFormat = "";
...

String convertDateToString(Date aDate)
This method generates a string representation of a date based on the System Property 'dateFormat' in the format you specify on input

return getDateTime(getDatePattern(), aDate);