I would take a look at the DateTimeFormatterBuilder and
PeriodFormatterBuilder classes. If you still have trouble, please write
back.
Stephen
Moritz Petersen wrote:
> Hello list,
>
> I'm quite new to Joda Time but my first steps were quite successful
> so far. Now I've stumbled about a problem which I don't really
> understand.
>
> First of all, I'd like to parse date in a "normal" format, not ISO,
> but more casual.
>
> A date is for example "21.08.2007"
> A time is for example "14:35"
> A date with a time (not midnight) is for example "21.08.2007 14:35"
>
> For the date I would use a DateTime instance. Unfortunately, I cannot
> use a String to instantiate the object as desired. Instead I've
> written a utility class:
>
> new DateTime(DateConverter.toMillis("21.08.2007"))
>
> OK, this works, but is probably not the most elegant solution.
>
> Now to the more nasty part: I would like to parse a time duration.
> For example say a meeting starts at 14:00 and takes 4 hours. I would
> like to compute the end date of the meeting. Here's my approach
> (which doesn't work properly):
>
> DateTime start = new
> DateTime(DateConverter.toMillis("21.08.2007
> 14:00"));
> Duration duration = new
> Duration(DateConverter.toMillis("4:00"));
> DateTime end = start.plus(duration);
> assertEquals(new DateTime(DateConverter.toMillis("21.08.2007
> 18:00")), end);
>
> Which results in:
>
> junit.framework.AssertionFailedError:
> expected:<2007-08-21T18:00:00.000+02:00> but
> was:<2007-08-21T17:00:00.000+02:00>
>
> The DateConverter method works roughly (very simplified - but showing
> the essential part) like this:
>
> public long toMillis(String str) {
> return DateTimeFormat.forPattern("HH:mm").parseMillis(str);
> }
>
>
> Now I have two questions:
>
> a) is the way to convert a String to different Joda Time classes
> correct this way or is there a better alternative?
>
> b) Why does the Duration not work?
>
> Regards,
> Moritz.
>
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