You are misusing the week field, thus it doesn't work as you want.
The week field is defined as following the ISO-8601 rules, at least
within the context of the ISO chronology. As such, the values go from
1 to 52/53.
If you want a field with different rules, you need to write your own
DateTimeField, which will require its own Chronology to host it. This
is a complex task, with no real javadoc to help (although a lot of
code can be reused).
I suspect you'll find it easier to code around the problem rather than
creating a new field.
Stephen
On 29 July 2010 21:26, Robin Tharappel <rtharap...@gmail.com> wrote:
> Thanks for the response. Using the LenientChronology prevents the
> exception from occurring. However it will convert Week 54 2009 to back
> to Week 1 of 2010.
>
>
> DateTimeFormatter parseFormat =
> DateTimeFormat.forPattern("xxxx'W'ww");
> Chronology lenient =
> LenientChronology.getInstance(ISOChronology.getInstance());
> parseFormat = parseFormat.withChronology(lenient);
>
>
> DateTime dateTime = parseFormat.parseDateTime("2009W54");
> DateTimeFormatter dateFormat =
> DateTimeFormat.forPattern("'Fiscal Week 'ww");
>
> String week = dateFormat.print(dateTime);
>
> This returns "Fiscal Week 01'. Would there be a way to prevent it from
> doing a conversion ?
>
> Thanks again for your help
>
>
>
> On Thu, Jul 29, 2010 at 1:36 PM, Stephen Colebourne
> <scolebou...@joda.org> wrote:
>> I believe that you do the following, although I've never used the feature!
>>
>> Chronology lenient =
>> LenientChronology.getInstance(ISOChronology.getInstance());
>> formatter = formatter.withChronology(chrono);
>> // continue parsing as normal
>>
>> Stephen
>>
>>
>> On 29 July 2010 19:24, Robin Tharappel <rtharap...@gmail.com> wrote:
>>> Hello,
>>>
>>> I was looking for an example of configuring a Joda parser to be more
>>> lenient when parsing a value or an example of changing the range of
>>> acceptable values for a field. For example if I have the following
>>> value for a fiscal week (format yyyy'W'ww) representing a 54 week.
>>>
>>>
>>> DateTimeFormatter formatter = DateTimeFormat.forPattern("yyyy'W'ww");
>>> DateTime dateTime = formatter.parseDateTime("2009W54");
>>>
>>> This would throw an exception:
>>>
>>> Cannot parse "2009W54": Value 54 for weekOfWeekyear must be in the range
>>> [1,52]
>>>
>>> There appear to be support specifying a field as lenient
>>>
>>> http://joda-time.sourceforge.net/api-release/org/joda/time/field/LenientDateTimeField.html
>>>
>>> How would you configure the DateTimeFormatter to have a lenient field ?
>>>
>>> Thanks
>>>
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