On Wed, Jul 27, 2011 at 11:59 AM, Christopher Schultz
<ch...@christopherschultz.net> wrote:
> All,
>
> I've been trying to switch my templates from using
> LinkTool.addIgnore()....addAllParameters() to use
> LinkTool.addRequestParamsExcept(String... allButThese) but I'm having a
> bit of difficulty with it.
>
> If I call addRequestParams() with no argument, things work as expect. On
> the other hand, this does not work:
>
> #set($ignoreList = ['foo'])
> $link.relative('/bar').addRequestParamsExcept($ignoreList)
>
> I get an invalid reference log message and the above "$link..." text is
> rendered as written instead of evaluating successfully.
>
> Without much investigation, I believe the problem is that the ignoreList
> is a List and it needs to be String[]. Velocity will auto-convert Lists
> into Object[] if appropriate, but I suspect that the resulting object
> type is Object[] and not, say, String[].
i believe you're right.
> There does not appear to be a way to create a String[] from a Velocity
> template, so using addRequestParams and the other, similar methods will
> be very difficult to use with an argument.
why not just do $link.addRequestParamsExcept('foo', 'bar', 'etc')?
> If anyone has any suggestions for how to use these methods with
> template-supplied data, I'd love to hear them. Otherwise, I'm inclined
> to either overload or modify these methods to accept an Object[]
> parameter and throw an exception if the array elements are not String
> objects.
i think that would be a good enhancement regardless. i don't
particularly like templates and tools being picky about types when
they don't have to be.
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