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From "Dion Gillard" <dion.gill...@gmail.com>
Subject Re: [jelly] How to build a date object with current time in GMT?
Date Fri, 26 Jan 2007 14:47:24 GMT
On 1/27/07, Karr, David <david.karr@wamu.net> wrote:
> Below.
> > -----Original Message-----
> > From: Dion Gillard [mailto:dion.gillard@gmail.com]
> > Sent: Friday, January 26, 2007 3:18 AM
> > To: Jakarta Commons Users List
> > Subject: Re: [jelly] How to build a date object with current
> > time in GMT?
> >
> > On 1/26/07, Karr, David <david.karr@wamu.net> wrote:
> > > I have a Jelly script that puts the current time into a string.  It
> > > works ok, but I'm realizing I need to convert the time to
> > GMT before
> > > putting it into the string.  It's straightforward to do
> > this in Java,
> > > but I'm having trouble figuring out how to do this in the
> > limited Java
> > > syntax in Jelly.
> > >
> > > In Java, I might do something like this:
> > >
> > >   Calendar calendar = Calendar.getInstance();
> > calendar.setTimeZone(TimeZone.getTimeZone(TimeZone.getAvailableIDs(0)[
> > > 0]
> > > ));
> > >   date gmtDate = calendar.getDate();
> > >
> > > In Jelly, I think I can get close, but part of what I'm
> > doing doesn't
> > > work.
> > >
> > > ----------
> > > <j:invokeStatic className="java.util.Calendar" method="getInstance"
> > >                 var="calendar"/>
> > > <j:invokeStatic className="java.util.TimeZone"
> > method="getAvailableIDs"
> > >                 var="timezones">
> > >  <j:arg type="int" value="0"/>
> > > </j:invokeStatic>
> > >
> > > <j:forEach var="timezone" begin="0" end="0" items="${timezones}">
> > > </j:forEach>
> >
> > Not sure why you're doing this....assuming it's to get timezones[0]
> >
> > >
> > > <j:setProperties object="${calendar}" timeZone="${timezone}"/>
> >
> > How about (untried)
> >
> > <j:setProperties object="${calendar}" timeZone="${timezones[0]}"/>
> >
> > ?
>
> That would probably be better, but both of these fail with the same
> "argument type mismatch" error.  I wonder whether the "${timezone}"
> reference tries to produce a String instead of a TimeZone object?
>
> > > ----------
> > >
> > > I get an unhelpful "argument type mismatch" error on the
> > "setProperties"
> > > element.  I added "log:info" elements along the way to verify I was
> > > getting reasonable values (like the value for "timezone" resulting
> > > from the "forEach" loop).
>
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>
>

Try dumping out:

${timezones[0].class.name}
-- 
http://www.multitask.com.au/people/dion/
Rule of Acquisition #91: Hear all, trust nothing.

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