Android Utililty Methods Date String Parse

long result = 0;
SimpleDateFormat format = new SimpleDateFormat(
        "yyyy-MM-dd'T'HH:mm:ssZ");
try {
    result = new Timestamp(format.parse(aDate).getTime()).getTime();
} catch (ParseException e) {
    e.printStackTrace();
return result;

Date result = null;
if (date != null && !date.equals("")) {
    String parse = date;
    parse = parse.replaceFirst("^[0-9]{4}([^0-9]?)", "yyyy$1");
    parse = parse.replaceFirst("^[0-9]{2}([^0-9]?)", "yy$1");
    parse = parse.replaceFirst("([^0-9]?)[0-9]{1,2}([^0-9]?)",
            "$1MM$2");
    parse = parse.replaceFirst("([^0-9]?)[0-9]{1,2}( ?)", "$1dd$2");
...

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
Date date;
try {
    if (TextUtils.isEmpty(time)) {
        return null;
    date = sdf.parse(time);
    return date;
...

int len = dirtyDate.length();
if (len == 10) {
    for (int i = 0; i < len; i++) {
        if (i == 4 || i == 7) {
            if (dirtyDate.charAt(i) != '-')
                return false;
        } else {
            if (!Character.isDigit(dirtyDate.charAt(i)))
...

int len = dirtyDateTime.length();
if (len != 10 && len != 19)
    return false;
if (!isDateString(dirtyDateTime.substring(0, 10)))
    return false;
if (len == 10)
    return true;
if (dirtyDateTime.charAt(10) != ' ')
...

return parse(date, "yyyy-MM-dd");

DateFormat sdf = new SimpleDateFormat(format);
try {
    return sdf.parse(date);
} catch (ParseException e) {
return null;

if (isDateOnly) {
    return parse(date);
} else {
    return parse(date, "yyyy-MM-dd HH:mm");

if (StringUtil.isEmpty(dateString)
        || StringUtil.isEmpty(dateFormat)) {
    return null;
SimpleDateFormat format = new SimpleDateFormat(dateFormat,
        Locale.ENGLISH);
Date date = null;
try {
...

try {
    return DateFormat.getDateInstance().parse(src);
} catch (ParseException e) {
    return DateFormat.getInstance().getCalendar().getTime();