We weren't sure it was a bug or behavior change, but it did break our
code several weeks ago, and we had to implement a workaround.
IMHO, it warrants a patch release.
-phil
Stephen Colebourne wrote:
>Based on this evaluation, I'd say it was a bad bug and should be fixed.
>
>The toXxx() methods should not lose the zone.
>
>Stephen
>
>
>Quoting Brian S O'Neill <[EMAIL PROTECTED]>:
>
>
>>I say this is a bug. When I "fix" it, some of the unit tests complain,
>>however.
>>
>>The current implementations of toDateTime(), toDateTimeISO(),
>>toMutableDateTime(), and toMutableDateTimeISO() are all wrong. They all
>>discard the time zone.
>>
>>I think this bug resulted from all the changes that took place before
>>v1.0 with respect to the Instant class -- should it have a time zone or
>>not. The conversion methods are all in the AbstractInstant class, and
>>their behavior is correct for an Instant which lacks a time zone of its
>>own. Since they now do have a time zone (UTC), it makes sense to ensure
>>that the common implementations preserve the time zone.
>>
>>I'm not going to make any changes until Stephen has had a chance to look
>>things over.
>>
>>[EMAIL PROTECTED] wrote:
>>
>>
>>>I'm not sure if this is a bug or the way it's suppose to work, so
>>>please let me know after I let everyone know the scenario:
>>>
>>>I have a DateTime object that has a timezone different than the
>>>default VM timezone. For example, the default VM timezone is
>>>'America/New_York' and the DateTime object I have is UTC. When I get
>>>a MutableDateTime object from the UTC DateTime object reference, it
>>>loses the UTC timezone and returns a MutableDateTime with the
>>>'America/New_York' timezone. At the same time, the date/time has been
>>>changed to reflect the 'America/New_York' TZ offset. In looking at
>>>the javadoc I see there is a DateTime.toMutableDateTime(DateTimeZone
>>>zone) method, but I assumed this should be called if you want the TZ
>>>of the DateTimeMutable to be different than the DateTime object it's
>>>being constructed from.
>>>
>>>Shouldn't the TimeZone of the DateTime object be used as the 'default'
>>>when creating a MutableDateTime object from it's 'toMutableDateTime()'
>>>method?
>>>
>>>Here is an example:
>>> DateTime dt = *new* DateTime(DateTimeZone.UTC);
>>> System.out.println("dt: "+dt);
>>> MutableDateTime mdt = dt.toMutableDateTime();
>>> System.out.println("mdt: " +mdt);
>>> MutableDateTime mdt2 = dt.toMutableDateTime(dt.getZone());
>>> System.out.println("mdt2: " +mdt2);
>>>
>>>Output:
>>> dt: 2006-02-08T15:46:02.620Z
>>> mdt: 2006-02-08T10:46:02.620-05:00
>>> mdt2: 2006-02-08T15:46:02.620Z
>>>
>>>Notice the difference between 'mdt' and 'mdt2'. 'mdt2' is the same as
>>>the 'dt', whereas the 'mdt2' is 5 hours behind.
>>>
>>>The need to pass in the timezone of the object you're creating the
>>>MutableDateTime object from seems redundant and easy to introduce bugs
>>>in your logic.
>>>
>>>
>>>FYI: I am using the latest Joda 1.2 library.
>>>
>>>
>>>Any insight or feedback would be greatly appreciated.
>>>- Aaron
>>>
>>>
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