Java Utililty Methods Date from String

List of utility methods to do Date from String

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Date from String

Description

The list of methods to do Date from String are organized into topic(s).

Method

Date convertToDate(final String str, final DateFormat dateFormat)
convert To Date

try {
 return dateFormat.parse(str);
} catch (ParseException e) {
 return null;

Date convertToDate(String date)
convert To Date

SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
if (date != null && !date.isEmpty()) {
 return sdf.parse(date);
return null;

Date convertToDate(String dateAsString)
Convert a String into a date

Date utilDate = null;
if (isDatePopulated(dateAsString)) {
 DateFormat df = DateFormat.getInstance();
 df.setLenient(false);
 SimpleDateFormat sf = (SimpleDateFormat) df;
 sf.applyPattern("dd/MM/yyyy");
 utilDate = sf.parse(dateAsString);
return utilDate;

Date convertToDate(String dateString)
convert To Date

SimpleDateFormat sdf = new SimpleDateFormat(DATEFORMAT);
Date date = sdf.parse(dateString);
return date;

Date convertToDate(String dateString, String format)
convert To Date

if (dateString == null || dateString.length() == 0)
 return null;
SimpleDateFormat sdf;
boolean defaultFlag = false;
if (format != null && format.length() > 0) {
 sdf = new SimpleDateFormat(format);
} else {
 sdf = new SimpleDateFormat("MM/dd/yyyy");
...

Date convertToDate(String dateString, String pattern)
concerts the string format into a Date

if (dateString == null || dateString.trim().isEmpty()) {
 return null;
if (pattern == null || pattern.isEmpty()) {
 throw new Exception("convertToDate failed: pattern cannot be null or empty");
try {
 SimpleDateFormat sdf = new SimpleDateFormat(pattern);
...

Date convertToDate(String ddMMyy)
convert to date

SimpleDateFormat format = new SimpleDateFormat("ddMMyy");
format.setLenient(false);
Date date = null;
date = format.parse(ddMMyy);
return date;

Date convertToDate(String inDate)
convert To Date

Date date = null;
for (SimpleDateFormat format : dateFormats) {
 format.setLenient(false);
 try {
 if (inDate.length() < 12 && format.toPattern().length() < 12) {
 date = format.parse(inDate.trim());
 } else if (inDate.length() > 12 && format.toPattern().length() > 12) {
 date = format.parse(inDate.trim());
...

Date convertToDate(String input)
Convert String with various formats into java.util.Date

Date date = null;
if (null == input) {
 return null;
for (SimpleDateFormat format : dateFormats) {
 try {
 format.setLenient(false);
 date = format.parse(input);
...

String convertToDate(String str)
convert To Date

if (str == null)
 return null;
SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd");
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
return sdf.format(sdf1.parse(str));