Alex Tang wrote:
> Hi folks.
>
> I was wondering...Is it possible to have a custom taglib tag produce (or
> reproduce the semantics) of "<jsp:include page=.../>"? l
>
Yes. Inside the tag's implementation you can use PageContext.include() for this,
or use a RequestDispatcher directly.
>
> I have the same question about "<%@ include" directive.
>
No. <%@ include %> directives are processed at compile time, not at run time, so
there is no opportunity for a custom tag to be invoked.
>
> What I'm trying to do is: using a taglib directive, include a separate
> JSP file. The name of that JSP will not be known when writing the JSP
> file (hence the taglib tag). Also, at some point, there may be some
> level of recursion, so an included JSP file can include another using
> the same mechanism.
>
> Is this possible? I'm not sure i fully understand the differences
> between "<jsp:inculde" and "<%@include" in terms of which requires
> moreoverheadand whatnot. I can be flexible about which one I should use
> (if any)
>
The difference is run time versus compile time. For more info on this (and all the
other features of JSP), see the JSP Specification, version 1.1, at
<http://java.sun.com/products/jsp/download.html>.
>
> Thanks.
>
> ...alex...
>
Craig McClanahan
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