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From Carlo Torniai <carlo.torn...@hp.com>
Subject Re: Chhecking Vector content from template
Date Wed, 28 Jun 2006 13:37:21 GMT
Yes I'm trying to detect empty vector.
Usage of #foreach confused me.
Now everything works fine.
Thanks
Carlo

Joe Desbonnet wrote:
> I'm not clear about what you want to do. Are you trying to detect an
> empty Vector?
>
> You can call the size() method on the java.util.Vector object to get
> the number of elements. So ($myVec.size() == 0)  will be true for
> Vectors with no elements.
>
> Joe
>
>
> On 6/28/06, Carlo Torniai <carlo.torniai@hp.com> wrote:
>> Hi all.
>> I'm trying to evaluate if a vector contains elements from my template.
>>
>> The vector is added at the context in this way from my Servlet.
>>
>>  ctx.put("frontrightpic", front_right_pict);
>>
>> I'm able to retrieve content in the template using
>>
>> #foreach ($photo_front_right in $frontrightpic)
>>
>> I want to check if the vector contains any result in order to change the
>> displayed HTML.
>> I've tried to use
>> #if($photo_front_right=='')
>>
>> and also other conditions on $frontrightpic don't seem to work.
>>
>> Can you help me to check if vector contains any entry?
>> Thanks.
>> Carlo
>>
>>
>>
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>
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