I tried this:
<c:if test='${empty form.mappedProperty["13"]}'>
And received the error below. I know that there is a
getMappedProperty(String key) method on the form class. Any other ideas? I
can't believe this isn't working right -- there's got to be a way to pass
parameters into methods usting JSTL. Any other ideas??
javax.servlet.jsp.JspException: An error occurred while evaluating custom
action attribute "test" with value "${empty form.mappedProperty["13"]}":
Unable to find a value for "mappedProperty" in object of class
"com.myApp.MyForm" using operator "."
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 20, 2004 8:22 AM
To: Struts Users Mailing List
Subject: Re: Map-backed action forms with JSTL tags
"Asleson, Ryan" <[EMAIL PROTECTED]> wrote on 10/20/2004 08:18:48 AM:
>
> [This question was posted to taglib-user list also but I received no
> responses. My apologies for the cross post.]
>
> Hello,
>
> I have the following JSTL code fragment that is failing:
>
>
> <c:if test="${empty form.mappedProperty[13]}">
> <c:set target="${form}" property="mappedProperty[13]" value="newValue"/>
> </c:if>
>
Based on page 347 of JSTL in action try this...
<c:if test='${empty form.mappedProperty["13"]}'>
>
> The "form" object has a method called getMappedProperty that takes a
String
> as the key and returns the appropriate value. There is also a
> setMappedProperty method that takes two Strings as parameters, the key
and
> new value, and sets the value.
>
> Basically, in this instance I want the 13 to be passed to the
> getMappedProperty method as a String parameter, just like Struts tags
allow
> when using parentheses in property value attributes.
>
> This code is failing to compile -- at least, if fails on the c:if line.
I'm
> trying to get this to work the way the Struts tags do, where any values
that
> appear in parentheses are assumed to be parameters to the underlying bean
> property method.
>
> How can I modify the above code so it does as I desire? I figure it has
to
> be close.
>
>
> Thank you!!!
>
>
>
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