Mariusz Wójcik <[EMAIL PROTECTED]> writes:
> Hi
>
> I'm using request parameter selector to maka a choice of correct xsl
> tranformation.
> This pipeline works correctly, but additionaly I'd like to check if the
> request parameter exists.
> How can I do it? (I'd like to do the same transform when parameter doesn't
> exist, and is equal "0")
>
> <map:pipeline>
> <map:match pattern="dir">
> .........
> <map:select type="request-parameter">
> <map:parameter name="parameter-name" value="id"/>
<map:when test="">
???????? transformation_when_parameter_not_exists ?????????
</map:transform>
</map:when>
Matching for the empty string should almost work. Except that
somebody may pass a empty string as a request parameter value.
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