Thanks again for your reply and for pointing our the errors in my code.
Is there a document that describes the DateTimeZone implementation and
the DateTimeZoneBuilder in more detail than the javadocs?
You obviously have more knowledge than is available in the api docs - is
this available online somewhere or in the source code for Joda Time perhaps?
John
Stephen Colebourne wrote:
> On 16 February 2010 13:35, itin...@gmx.com <itin...@gmx.com> wrote:
>> Thanks for your help. I'm still not clear on a few things:
>>
>> 1) Do I need to specify an initial cutoff for my use case here?
> I don't know for certain :-)
>
>> 2) How do I specify the last Sunday of the month - is what I have done
>> below correct?
> You need dayOfMonth=-1, advance=false, dayOfWeek=7
>
>> 3) Can I use any value for the nameKey for the recurring savings?
> This is used to lookup a textual name for the rule, if you don't have
> this data, anything will do.
>
>> 4) Under what conditions is the WKST (week start) specified in the RRULE
>> significant?
> It isn't. That data isn't part of the zone rule.
>
>> 5) Does this look correct for the VTIMEZONE information given below?
> See the answer to question 2...
>
> Also, whether it should be 'w' is dependent on how the iCal spec is written.
>
> Stephen
>
>> DateTimeZone vTimeZone1 = new DateTimeZoneBuilder()
>> .addCutover(-2147483648, 'w', 1, 1, 0, false, 0)
>> .setStandardOffset(0)
>> //sets the start cutoff - is this needed?
>> .addRecurringSavings("STD", 0, 1610, 2147483648, 'w', 10, -7, 1,
>> true, 7200000)
>> //line above says start DAYLIGHT savings on...
>> // ... go back 7 days from end of month 10
>> //and then forward to the first Sunday (day=1)
>> .addRecurringSavings("DAY", 3600, 1610, 2147483648, 'w', 3, -7, 1,
>> true, 7200000)
>> //line above says start DAYLIGHT savings on...
>> // ... go back 7 days from end of month 3
>> //and then forward to the first Sunday (day=1)
>>
>> BEGIN:VTIMEZONE
>> TZID:(GMT) Greenwich Mean Time - Dublin / Edinburgh / Lisbon / London
>> BEGIN:STANDARD
>> DTSTART:16010101T020000
>> TZOFFSETTO:-0000
>> TZOFFSETFROM:+0100
>> RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=10;BYDAY=-1SU
>> END:STANDARD
>> BEGIN:DAYLIGHT
>> DTSTART:16010101T010000
>> TZOFFSETTO:+0100
>> TZOFFSETFROM:-0000
>> RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=3;BYDAY=-1SU
>> END:DAYLIGHT
>> END:VTIMEZONE
>>
>>
>> Thanks
>>
>> John
>>
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