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Date: Tue, 15 Aug 2000 09:41:09 -0700
From: Craig McClanahan <Craig.McClanahan@eng.sun.com>
Organization: Sun Microsystems, Inc.
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To: tomcat-user@jakarta.apache.org
Subject: Re: Using expressions in tag attributes
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Rachel Greenham wrote:

> Should I be expecting this sort of thing to work?
>
> <%
> String name="wibble";
> %>
> <myprefix:GetVariable name="<%=name%>"/>
>
> ie: using an expression in an attribute to a taglib tag. It doesn't
> work, and I think I can see why, but as it does on HTML it would be
> intuitive if it did.
>

This should work if you declare, in your tag library descriptor file, that
this attribute takes runtime expression values.  You would need something
like this:

    <attribute>
        <name>name</name>
        <required>true</required>
        <rtexprvalue>true</rtexprvalue>
    </attribute>

Craig