I receive a string date from another system and I know the locale of that date (also available from the other system). I want to convert this String into a Joda-Time DateTime object without explicitly specifying the target pattern.
So for example, I want to convert this String "09/29/2014" into a date object using the locale only and not by hard coding the date format to "mm/dd/yyyy". I cant hard code the format as this will vary depending on the local of the date I receive.
How to change the SimpleDateFormat to jodatime? String s = "2014-01-15T14:23:50.026"; DateTimeFormatter dtf = DateTimeFormat. forPattern("yyyy-MM-dd'T'HH:mm:ss. SSSS"); DateTime instant = dtf.
So the short answer to your question is: YES (deprecated).
Adjusting Time ZoneUse the DateTimeZone class in Joda-Time to adjust to a desired time zone. Joda-Time uses immutable objects. So rather than change the time zone ("mutate"), we instantiate a new DateTime object based on the old but with the desired difference (some other time zone). Use proper time zone names.
Joda-Time provides a comprehensive formatting system. There are two layers: High level - pre-packaged constant formatters. Mid level - pattern-based, like SimpleDateFormat.
String localizedCalendarDate = DateTimeFormat.shortDate().print(new LocalDate(2014, 9, 29));
// uses in Germany: dd.MM.yyyy
// but uses in US: MM/dd/yyyy
LocalDate date =
DateTimeFormat.mediumDate().withLocale(Locale.US).parseLocalDate("09/29/2014");
DateTime dt = date.toDateTimeAtStartOfDay(DateTimeZone.forID("America/Los_Angeles"));
As you can see, you will also need to know the clock time (= start of day in example) and time zone (US-California in example) in order to convert a parsed date to a global timestamp like DateTime
.
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