Re: Map Backed Form

[Navneet Karnani]

I suggest that you look at the code once more. There is a possibility 
that the error is not due to the problem that you see but something 
else. And i'm nearly sure that the problem is not as complex as it seems.

If you want, I can look at the sources and test a fix at my side.

Let me know.

- Navneet Karnani
Umber Business Solutions Pvt. Ltd.
Ray Madigan said the following on 19/09/2003 3:15 AM:

I tried this - same result? hmmmm

-----Original Message-----
From: Jason Lea [mailto:[EMAIL PROTECTED]
Sent: Thursday, September 18, 2003 2:18 PM
To: Struts Users Mailing List
Subject: Re: Map Backed Form
I read this somewhere (perhaps Struts in Action) and I use map-backed
properties... the methods should have String keys, but Object values eg
public Object getElementMap ( String key ) {
public void setElementMap ( String key, Object value )
Ray Madigan wrote:


I am having some difficulty with my Map Backed Form implementation.

I have in my Form:

private Properties elementMap = null;

public String getElementMap ( String key ) {
   return ( String ) elementMap.getProperty ( key );
}
public void setElementMap ( String key, String value ) {
   elementMap.put ( key, value );
}
public void reset ( ActionMapping mapping, HttpServletRequest request ) {
   ...
   elementMap = new Properties ( );
}
I have in my JSP:

<html-el:text property='elementMap(${element.element})'
value='${element.value}'/>
If I enumerate the request parameters in the reset method of the form
the paramaters and values look like:
name->elementMap(PerPage)
value->4
I get the exception
java.lang.IllegalAccessError: try to access class
org.apache.commons.beanutils.MappedPropertyDescriptor$1 from class
org.apache.commons.beanutils.MappedPropertyDescriptor
From past experience I get this exception when struts is looking for a
setter
in my form and can't find it.  I think that struts is looking for a method
'setElementMap(perPage)' and has not figured out it is a mapped property
for some reason.  And I can't write a method with name.
Any help would be appreciated.

Thanks

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Jason Lea
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