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From "Craig R. McClanahan" <craig...@apache.org>
Subject Re: order of bean form population
Date Fri, 18 Jul 2003 16:35:29 GMT


On Fri, 18 Jul 2003, Joe Zendle wrote:

> Date: Fri, 18 Jul 2003 10:22:34 -0600
> From: Joe Zendle <joe.zendle@vericept.com>
> Reply-To: Struts Users Mailing List <struts-user@jakarta.apache.org>
> To: Struts Users Mailing List <struts-user@jakarta.apache.org>
> Subject: order of bean form population
>
> This is probably a JSP question but here goes:
>
> What is the order in which bean properties are populated. Is it from 1st
> to last as defined in the class (assuming reflection is used)? Can I
> reliably use a property's value defined 1st to make a decision of how to
> populate a later attribute? I am trying to make a form that can be used
> to hold various business entities that share common attributes.
>

The only reasonable assumption to make is that it's undefined.  It ends up
being driven by the order the request parameter names are iterated through
from a HashMap, and that's essentially out of your control.  (See the
method RequestUtils.populate() for the gory details.)

Craig


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