Thanks, --Bill
Pat Lightbody wrote:
Bill,
Fear not, the WW2 EL is OGNL, which uses booleans.
-Pat
----- Original Message ----- From: "Bill Lynch" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, July 08, 2003 2:54 PM
Subject: Re: [OS-webwork] ww1.3 - ActionContext getPrincipal
Mike,
Just noticed an error in your syntax:
<ww:bean name="'webwork.action.ActionContext'" id="actionContext"> <ww:if test="principal != null"> Principal <ww:property value="principal"/> is logged in </ww:if> </ww:bean>
That if should be:
<ww:if test="principal"> Principal <ww:property value="principal" /> is logged in </ww:if>
The WW EL is *really* confusing when it comes to null tests IMO. test="principal" means "principal != null" and test="!principal" means "principal == null".
Your example probably works because "null" is meaningless in the WW EL so "principal != null" probably evaluates to true just like "principal".
I haven't been following the list too closely for WW2 - is this something that could be cleared up for the next version? To me, I'd make a lot more sense if test="foo" was a boolean test and "null" had meaning.
Cheers, --Bill
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