The EL only references "scoped variables", not scriptlet variables.
Read the JSTL specification for a good summary of what you can do with
it.
If you have a small number of constants, then put your constants
directly into a scoped variable (application-scoped, most likely). So,
if you define a scoped variable named "USER_KEY", you could do this:
<c:out value="${sessionScope[USER_KEY].account.userName}"/>
> -----Original Message-----
> From: Josh Holtzman [mailto:[EMAIL PROTECTED]
>
> I am currently accessing a value for output by using the following EL
> syntax:
>
> <c:out value="${sessionScope.USER_CONTAINER.account.userName}" />
>
> USER_CONTAINER is the key I use to store my UserContainer
> object in the session.
>
> I have created a global variable to identify the
> USER_CONTAINER. It can be accessed in a constant's class by
> the static variable AppConstants.USER_KEY.
>
> Is it possible using Struts-EL to replace the literal
> USER_CONTAINER with the variable AppConstants.USER_KEY, so as
> to write something like this:
>
> <c:out value="${sessionScope.<%=
> AppConstants.USER_KEY%>.account.userName}"
> />
>
> This will not compile properly, so, either this is not
> possible, or my syntax is incorrect.
>
> Does anyone have any other suggestions?
>
> I'd rather use the constant to look up this value rather than
> a literal. In the event I need to change the name of the key
> to look up this value in the session, I can then change it in
> one place rather than all the JSP pages that make similar lookups.
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