Java Utililty Methods Time to String

String returnTime = "";
long temp;
if (time / ONE_WEEK_IN_MILISECONDS > 0) {
    temp = time / ONE_WEEK_IN_MILISECONDS;
    String week = (temp > 1) ? temp + " weeks " : temp + " week ";
    returnTime += week;
    temp = (time - temp * ONE_WEEK_IN_MILISECONDS) / ONE_DAY_IN_MILISECONDS;
    String day = (temp > 1) ? temp + " days " : temp + " day ";
...

long s, m, h, d, w;
String line = "", _s = "s ", _m = "m ", _h = "h ", _d = "d ", _w = "w ", clock = "%d%s";
if (longNames) {
    _s = " second(s) ";
    _m = " minute(s) ";
    _h = " hour(s) ";
    _d = " day(s) ";
    _w = " week(s) ";
...

return new SimpleDateFormat(STAND_DATE_TIME).format(new Date(time * 1000L));

char[] timeArray = time.toCharArray();
char[] timeList = new char[timeArray.length];
int j = 0;
for (int i = 0; i < timeArray.length; i++) {
    if (timeArray[i] == '-' || timeArray[i] == ' ' || timeArray[i] == ':') {
        continue;
    } else {
        timeList[j] = timeArray[i];
...

return dateToString(date, FORMAT_TIME);

DateFormat df = (DateFormat) DateFormat.getTimeInstance(DateFormat.SHORT).clone();
if (tzString != null)
    df.setTimeZone(TimeZone.getTimeZone(tzString));
return df.format(d);

SimpleDateFormat sdf = new SimpleDateFormat(TIME_PARTTEN);
return sdf.format(date);

if (d == NO_DATA_D) {
    return "No Data";
} else {
    int minutes = ((int) d) / 60;
    int seconds = ((int) d) - (minutes * 60);
    return String.valueOf(minutes) + ":" + String.valueOf(seconds);

String error = NEGATIVE, clock = "%.2f%s";
String _s = "s", _m = "m", _h = "h", _d = "d", _w = "w";
if (longNames) {
    _s = " second(s)";
    _m = " minute(s)";
    _h = " hour(s)";
    _d = " day(s)";
    _w = " week(s)";
...

String result = "";
result = TIME.format(date);
return result;