Java Utililty Methods Date Parse

String asDate(Date date, String format)
Formats a Date based on the provided format.

return asDate(date, format, "Unknown");

String asDate(final long time)
as Date

if (time > 0) {
 return DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(time));
} else {
 return "-";

Date asDate(final Map map, final String key)
as Date

final Object value = map.get(key);
if (value == null) {
 return null;
if (value instanceof String) {
 try {
 return dateFormat().parse((String) value);
 } catch (ParseException ex) {
...

Calendar asDate(final String literal)
Method formats the given literal as date literal.

Date date = null;
for (String pattern : datePatterns) {
 try {
 date = new SimpleDateFormat(pattern).parse(literal);
 } catch (ParseException e) {
if (date == null) {
...

Date asDate(String date)
as Date

try {
 return DATE_FORMAT.parse(date);
} catch (Exception e) {
 return null;

Date asDate(String param, SimpleDateFormat format)
as Date

if (param == null) {
 return null;
if (param instanceof String) {
 try {
 return format.parse(param);
 } catch (ParseException e) {
 throw new IllegalArgumentException(
...

Date asDate(String s)
as Date

if ("\"N/A\"".equals(s)) 
 return null;
return FMT_TRADE_DATE.get().parse(s);

Date asDate(String string)

asDate.

try {
 if (isIsoFormat(string)) {
 throw new RuntimeException("Date does not fit into ISO date format.");
 SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
 Date date = simpleDateFormat.parse(string);
 return date;
} catch (ParseException parseException) {
...

Date asDate(String value, String format)
as Date

SimpleDateFormat df = new SimpleDateFormat(format);
df.setLenient(false);
try {
 ParsePosition pp = new ParsePosition(0);
 Date d = df.parse(value, pp);
 if (pp.getIndex() != value.length()) {
 d = null;
 return d;
} catch (Exception e) {
 return null;

String convertDateForExcel(String timestamp)
Converts the time from FLAME format to Excel-friendly format

SimpleDateFormat date_format = new SimpleDateFormat(flameDateFormat);
SimpleDateFormat excel_format = new SimpleDateFormat(excelDateFormat);
Calendar c = Calendar.getInstance();
c.setTime(date_format.parse(timestamp));
return excel_format.format(c.getTime());