Re: [Springframework-developer] Possible bug in BeanWrapperImpl

[Juergen H. <ju...@in...>]

This is indeed a bug - we need to catch IllegalArgumentExceptions and wrap
them in TypeMismatchExceptions there as well. Thanks for pointing this out!
It's fixed in CVS HEAD now; should be available in the next nightly
snapshot.

Juergen
 

-----Original Message-----
From: spr...@li...
[mailto:spr...@li...] On Behalf
Of Justin Fowler
Sent: Friday, July 14, 2006 9:21 AM
To: spr...@li...
Subject: [Springframework-developer] Possible bug in BeanWrapperImpl

Hi All,

I am using a Map as my form backing object.   I am registering a  
CustomNumberEditor (see below).

     protected void initBinder( HttpServletRequest request,
ServletRequestDataBinder binder ) throws Exception
     {
         super.initBinder( request, binder );    //To change body of  
overridden methods use File | Settings | File Templates.

         binder.registerCustomEditor( Long.class, "criteriaMap [justin]",
new CustomNumberEditor( Long.class, true ) );
     }

This works fine.  If i enter a long value into the field, it gets converted
to a long and stored against the property 'justin' in the map.  However if
the data entered into the field is invalid.  I get the stack tracked
displayed in my browser as apposed to the nice bind errors I would expect to
see.

After some investigation I found the following.  (Code taken from the
BeanWrapperImpl:setPropertyValue(....))

If the propVal is of type list.  Then the 'convertIfNecessary' method call
is wrapped in a try/catch block.  But for a Map it is not.

Just wondering if this is a bug?  If so.  How would I go about proving a
patch to fix this problem?

Thanks for your help

Justin Fowler
Hyro Servcies Limited



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