Converting a date string to a DateTime object using Joda Time library

Question

I have a date as a string in the following format  04 02 2011 20 27 05   I am using Joda-Time library and would like to convert it to DateTime object  I did   DateTime dt   new DateTime  04 02 2011 20 27 05     But I m getting the following error    Invalid format   04 02 2011 14 42 17  is malformed at   02 2011 14 42 17    How to convert the above date to a DateTime object

User · Answer

There are two ways this could be achieved   DateTimeFormat  DateTimeFormat forPattern  dd MM yyyy HH mm ss   parseDateTime  04 02 2011 20 27 05      SimpleDateFormat          String dateValue    04 02 2011 20 27 05           SimpleDateFormat sdf   new SimpleDateFormat  dd MM yyyy HH mm ss        04 02 2011 20 27 05          Date date   sdf parse dateValue      returns date object         System out println date      outputs  Fri Feb 04 20 27 05 IST 2011

User · Answer

You need a DateTimeFormatter appropriate to the format you re using   Take a look at the docs for instructions on how to build one   Off the cuff  I think you need format   DateTimeFormat forPattern  M d y H m s

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Your format is not the expected ISO format  you should try  DateTimeFormatter format   DateTimeFormat forPattern  dd MM yyyy HH mm ss    DateTime time   format parseDateTime  04 02 2011 20 27 05

User · Answer

tl dr  java time LocalDateTime parse        04 02 2011 20 27 05         DateTimeFormatter ofPattern   dd MM uuuu HH mm ss        java time  The modern approach uses the java time classes that supplant the venerable Joda-Time project   Parse as a LocalDateTime as your input lacks any indicator of time zone or offset-from-UTC   String input    04 02 2011 20 27 05    DateTimeFormatter f   DateTimeFormatter ofPattern   dd MM uuuu HH mm ss      LocalDateTime ldt   LocalDateTime parse  input   f          ldt toString    2011-02-04T20 27 05   Tip  Where possible  use the standard ISO 8601 formats when exchanging date-time values as text rather than format seen here  Conveniently  the java time classes use the standard formats when parsing generating strings     About java time  The java time framework is built into Java 8 and later  These classes supplant the troublesome old legacy date-time classes such as java util Date  Calendar   amp  SimpleDateFormat   The Joda-Time project  now in maintenance mode  advises migration to the java time classes   To learn more  see the Oracle Tutorial  And search Stack Overflow for many examples and explanations  Specification is JSR 310   Where to obtain the java time classes     Java SE 8  Java SE 9  and later   Built-in   Part of the standard Java API with a bundled implementation  Java 9 adds some minor features and fixes   Java SE 6 and Java SE 7   Much of the java time functionality is back-ported to Java 6  amp  7 in ThreeTen-Backport   Android   The ThreeTenABP project adapts ThreeTen-Backport  mentioned above  for Android specifically  See How to use ThreeTenABP        The ThreeTen-Extra project extends java time with additional classes  This project is a proving ground for possible future additions to java time  You may find some useful classes here such as Interval  YearWeek  YearQuarter  and more

User · Answer

You can also use SimpleDateFormat  as in DateTimeFormat  Date startDate   null  Date endDate   null  try       if  validDateStart   null  startDate   new SimpleDateFormat  MM dd yyyy HH mm   Locale ENGLISH  parse validDateStart         validDateStartTime       if  validDateEnd   null  endDate   new SimpleDateFormat  MM dd yyyy HH mm   Locale ENGLISH  parse validDateEnd         validDateEndTime     catch  ParseException e        e printStackTrace

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From comments I picked an answer like and also adding TimeZone   String dateTime    2015-07-18T13 32 56 971-0400    DateTimeFormatter formatter   DateTimeFormat forPattern  yyyy-MM-dd T HH mm ss SSSZZ            withLocale Locale ROOT           withChronology ISOChronology getInstanceUTC      DateTime dt   formatter parseDateTime dateTime

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An simple method    public static DateTime transfStringToDateTime String dateParam  Session session  throws NotesException       DateTime dateRetour      dateRetour   session createDateTime dateParam                         return dateRetour

User · Answer

Use DateTimeFormat   DateTimeFormatter formatter   DateTimeFormat forPattern  dd MM yyyy HH mm ss    DateTime dt   formatter parseDateTime string

User · Answer

I know this is an old question  but I wanted to add that  as of JodaTime 2 0  you can do this with a one-liner   DateTime date   DateTime parse  04 02 2011 20 27 05                      DateTimeFormat forPattern  dd MM yyyy HH mm ss

User · Answer

DateTimeFormat forPattern  dd MM yyyy HH mm ss   parseDateTime  04 02 2011 20 27 05

[java] Converting a date string to a DateTime object using Joda Time library

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