public String getDateString(final Date date) {
notNull("date", date);
final DateFormat format;
if (isMidnightDate(date, timeZoneManager)) {
format = new SimpleDateFormat(YYYY_MM_DD2);
format.setTimeZone(timeZoneManager.getLoggedInUserTimeZone());
} else {
format = new SimpleDateFormat(YYYY_MM_DD_HH_MM2);
format.setTimeZone(timeZoneManager.getLoggedInUserTimeZone());
}
return format.format(date);
}
private Date parseDateForFormat(final String format, final String date) {
// test date string matches format structure using regex
// - weed out illegal characters and enforce 4-digit year
// - create the regex based on the local format string
String reFormat =
Pattern.compile("d+|M+|H+|m+")
.matcher(Matcher.quoteReplacement(format))
.replaceAll("\\\\d{1,2}");
reFormat = Pattern.compile("y+").matcher(reFormat).replaceAll("\\\\d{4,}");
if (Pattern.compile(reFormat).matcher(date).matches()) {
// date string matches format structure,
// - now test it can be converted to a valid date
SimpleDateFormat sdf = (SimpleDateFormat) DateFormat.getDateInstance();
sdf.applyPattern(format);
sdf.setTimeZone(timeZoneManager.getLoggedInUserTimeZone());
sdf.setLenient(false);
try {
return sdf.parse(date);
} catch (ParseException e) {
return null;
}
}
return null;
}
private static boolean isMidnightDate(final Date value, TimeZoneManager timeZoneManager) {
Calendar cal = Calendar.getInstance();
cal.setTime(value);
cal.setTimeZone(timeZoneManager.getLoggedInUserTimeZone());
return cal.get(Calendar.HOUR_OF_DAY) == 0
&& cal.get(Calendar.MINUTE) == 0
&& cal.get(Calendar.SECOND) == 0
&& cal.get(Calendar.MILLISECOND) == 0;
}
/**
* This will round out a date to a precision based on the input string. We need to do this to be
* more meaningful to the user when the type in x = '2011-10-13'.
*
* @param returnDate the parsed data in its specific form
* @param acceptedFormat the format we used to
* @param dateString
* @return
*/
private DateRange toPrecision(Date returnDate, String acceptedFormat, String dateString) {
Precision precision = null;
if (YYYY_MM_DD_HH_MM1.equals(acceptedFormat) || YYYY_MM_DD_HH_MM2.equals(acceptedFormat)) {
precision = Precision.MINUTES;
} else if (YYYY_MM_DD1.equals(acceptedFormat) || YYYY_MM_DD2.equals(acceptedFormat)) {
precision = Precision.DAYS;
} else if (ATLASSIAN_DURATION.equals(acceptedFormat)) {
// ok its an atlassian duration
precision = reverseParseAtlassianDuration(dateString.toLowerCase(Locale.ENGLISH));
}
if (precision != null) {
return precision.createRange(returnDate, timeZoneManager.getLoggedInUserTimeZone());
} else {
// Is this even possible? probably not but here we are so something sensible
return new DateRange(returnDate, returnDate);
}
}