Ok, I missed this the first time. When I do this I first get the map and
pass the string key to the map.
Try adding a method to the form that exposes the map then give the key to
the map.
public Map getMap(){
return whateverYourMapIs;
}
then
<c:if test='${empty form.map["13"]}'>
"Asleson, Ryan" <[EMAIL PROTECTED]> wrote on 10/20/2004 10:04:29 AM:
>
> I tried this:
>
> <c:if test='${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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