Java Utililty Methods Date String Format

List of utility methods to do Date String Format

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Description

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

Method

StringformatDate(String date)
format Date 
date = date.substring(0, 19);
return date;
StringformatDate(String date)
format Date 
int i = date.indexOf(";");
String[] tokens = date.substring(0, i).split("[ -/]");
if (tokens.length == 1)
    return tokens[0];
if (tokens.length == 2)
    return tokens[0] + "-" + tokens[1];
return tokens[0] + "-" + tokens[1] + "-" + tokens[2];
StringformatDate(String date)
format Date 
String y = date.substring(0, 4);
String m = date.substring(4, 6);
String d = date.substring(6, 8);
return y + "-" + m + "-" + d;
StringformatDate(String date, int format)
Reads a particular date format then translates it to another format. 
String retVal = null;
if (date == null || date.length() == 0)
    return "unknown";
String[] strs = date.split("-");
if (strs.length != 3)
    return "unknown";
int month = Integer.parseInt(strs[0]);
int day = Integer.parseInt(strs[1]);
...
StringformatDate(String dateString, String delimiter)
format Date 
if (dateString == null)
    return ""; 
String output = dateString.replaceAll("[^0-9]", ""); 
if (output.length() == 8) {
    return (output.substring(0, 4) + delimiter + output.substring(4, 6) + delimiter
            + output.substring(6, 8));
} else if (output.length() == 6) {
    return (output.substring(0, 4) + delimiter + output.substring(4, 6));
...
StringformatDate(String fieldName)
format Date 
return String.format(
        "(trim(str(year(%1$s))) "
                + "|| '-' || (case when month(%1$s) < 10 then '0' else '' end) || trim(str(month(%1$s))) "
                + "|| '-' || (case when day(%1$s) < 10 then '0' else '' end) || trim(str(day(%1$s))))",
        fieldName);
StringFormatDate(String strDate, char DateSeparator)
Format Date 
String strOutDate;
int Len;
Len = strDate.length();
if ((Len != 6) && (Len != 8))
    strOutDate = strDate;
else {
    if (Len == 6) {
        strDate = strDate.substring(0, 2) + DateSeparator + strDate.substring(2, 4) + DateSeparator
...
StringformatDate(String unformattedDate, String format)
format Date 
String[] splitUFDate = unformattedDate.split("-");
if (splitUFDate.length != 6)
    return "";
String formattedDate = format;
String[] patterns = { "Y", "M", "D", "h", "m", "s" };
int l = Math.min(patterns.length, splitUFDate.length);
for (int i = 0; i < l; ++i)
    formattedDate = formattedDate.replaceAll(patterns[i], splitUFDate[i]);
...
StringformatDate(String values)
format Date 
String[] dateParts = values.split("\\.");
String newDate = dateParts[2] + "-" + dateParts[1] + "-" + dateParts[0];
return newDate;
StringFormatDate6(String strDate)
Format Date 
if (strDate == null) {
    return "";
strDate = strDate.trim();
if (strDate.length() < 6) {
    return "";
else {
...