Re: Is it possible to create a custom JSTL function using a tag file

Ahhh, tag files is something I hadn't head of before. This example shows 
a simple one being used:
http://java.sun.com/j2ee/1.4/docs/tutorial/doc/JSPTags5.html

I'm still not sure what you meant by "custom JSTL function", though.


Henri Yandell wrote:
> The following is an example btw:
>
> http://svn.apache.org/repos/asf/tomcat/taglibs/extended/trunk/
>
> Currnetly it exposes various Commons Lang functions to JSTL using tag functions.
>
> Hen
>
> On Mon, Oct 12, 2009 at 12:04 PM, Stuart Thiel <[email protected]> wrote:
>   
>> Hello Marcel,
>>
>> If I understand you correctly, then it is not exactly possible to do what
>> you'd like.
>>
>> More specifically, I believe you're talking about making an EL function (vs.
>> JSTL which is a set of third party tags/functions). You can use any public
>> static method in any class for this, so it doesn't need to be special in any
>> way, but you do need to define it in a tag library so that a JSP page knows
>> how to find it. You can isolate a bunch of your utility EL functions in
>> their own tag library with their own prefix to avoid polluting your main tag
>> libraries, but I would generally organize by cohesion instead (putting
>> related tags and functions together in the same tag libraries, following the
>> same approach one might do with OO class creation).
>>
>> I haven't read all of this, but skimming it seemed to satisfy me that the
>> basics are covered:
>> http://java.sun.com/j2ee/1.4/docs/tutorial/doc/JSPIntro7.html
>>
>> Stuart
>>
>> Marcel Overdijk wrote:
>>     
>>> I'm wondering  if it is possible to create a custom JSTL function using a
>>> tag
>>> file (so not using a tld and tag class).
>>>
>>> Any reference to an example would be helpful.
>>>
>>>
>>> Cheers,
>>> Marcel
>>>
>>>       
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