Learned something new, thank you. Unfortunately, the good news don't apply
to my case, I don't need the length for iteration. I wish I was programming
Groovy...
-a
On 26 April 2010 15:07, Oscar Westra van Holthe - Kind <
os...@westravanholthe.nl> wrote:
> On 26-04-2010 at 14:59, Aaron Stromas wrote:
> > My action bean has a String[] valued property with getter and setter,
> say,
> > x. The JSP is happy with using the array in <stripes:options-collection
> > collection="x"/> but referring to ${actionBean.x.length} generates
> > NumberFormatException. Does it make sense? Thanks,
>
> Sadly, yes: length is not a JavaBeans property (the method name is
> length(),
> not getLength()). Using a Collection won't help either, as the method name
> is
> then size() (not getSize()).
>
> But there is also good news: you rarely need the length on its own.
> Usually,
> the entire array is important:
> - when building the page you can iterate the elements (and using the
> attribute varStatus you can name a variable of the type
> javax.servlet.jsp.jstl.core.LoopTagStatus which has a convenient
> getIndex()
> method)
> - when parsing the resulting request parameters, Stripes will happily bind
> to
> an array or List. See here for more details:
> http://www.stripesframework.org/display/stripes/Indexed+Properties
>
>
> Oscar
>
> --
> ,-_ Oscar Westra van Holthe - Kind
> http://www.xs4all.nl/~kindop/<http://www.xs4all.nl/%7Ekindop/>
> /() )
> (__ ( The haves and the have-nots can often be traced back to the
> =/ () dids and the did-nots.
>
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>
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--
Aaron Stromas
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