RE: [Springframework-developer] purpose of code in Errors.rejectValue()

[Tony F. <ton...@ya...>]

John,

I believe the "code" field refers to an "ErrorCode" that could be used
as a string value of an error msg that is associated with that Error.
(Similar to a mainframe returning an error code when a bad message is
returned to a user, only since it's a string it can actually be a bit
descriptive for the user.)  See the javadocs for the
com.interface21.core.ErrorCoded interface for a detailed description.

I am making some changes to the framework (then will pend review from
Rod) to allowing ResourceBundles to be tied into a few things within the
framework a little better.

Right now, I believe the API to obtaining messages for anything in the
framework is limited in 2 ways:
1)  Does not allow parameters to be passed to it.
2)  Some of the APIs do not allow a Locale to be passed into them (the
Errors.rejectValue(...) is a good example.

My changes should address both these issues.  Also, I am attempting to
add a subclass to the NestedException class (that merely calls a helper
object) that will allow Exceptions themselves to obtain their messages
from a ResourceBundle.  I have this working now for myself, but wish to
make a few changes to it to model the behavior of how log4j allows you
to point various classes to various files (ie: Exceptions in this
package look to this file for their msgs).  I am a few days away from a
code review on this.

As far as answering your question about examples, I'm sorry but I don't
have any examples to give you.


-----Original Message-----
From: spr...@li...
[mailto:spr...@li...] On Behalf
Of John Cavacas
Sent: Monday, March 03, 2003 4:03 PM
To: spr...@li...
Subject: [Springframework-developer] purpose of code in
Errors.rejectValue()

I was wondering if someone, most likelly Rob, could tell me what the 
purpose of the String code parameter is in Errors.rejectValue(String 
field,String code,String message) method.

And like my previous email "Validation usage examples and questions" i 
am looking for further clarification and proposed usage of the 
validation and DataBinding techniques in the framework.

Thanks,
John



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