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From: "Sean Tiley" <seantiley@hotmail.com>
To: tomcat-user@jakarta.apache.org
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Subject: RE: Ordering of parameters in HTTPRequest Object
Date: Mon, 16 Jul 2001 12:34:30 -0400
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Thank you all for your input / suggestions on my form field ordering 
problem.

I will have to think about a solution (though the hidden field idea is 
pretty good)

Sean Tiley


>From: "Deacon Marcus" <deacon_marcus@wwtech.pl>
>Reply-To: tomcat-user@jakarta.apache.org
>To: <tomcat-user@jakarta.apache.org>
>Subject: RE: Ordering of parameters in HTTPRequest Object
>Date: Mon, 16 Jul 2001 15:47:47 +0200
>
>Hi,
>
> > -----Original Message-----
> > From: Michael Wentzel [mailto:Michael.Wentzel@aswethink.com]
> > Sent: Monday, July 16, 2001 2:39 PM
> > To: 'tomcat-user@jakarta.apache.org'
> > Subject: RE: Ordering of parameters in HTTPRequest Object
> >
> >
> > > Hello all, I am new to this mailing list, and Tomcat, so please pe
> > > patient...
> > >
> > > I am using Servlets to recieve html form submissions.
> > >
> > > Problem is that the form fields are in a particular order on
> > > the form, but
> > > when I get the Parameters from the request object this field order is
> > > gone...
> > >
> > > The post data comes in in the proper order, but I can not recover the
> > > ordering.  If it was only 1 form I was dealing with, I could
> > > write code to
> > > format a response, but the app is very generalized, and it is
> > > designed to
> > > handle many different forms.
> > >
> > > So the question.   Is there no way in tomcat to preserve the
> > > ordering of
> > > parameters from a form submission?
> >
> > No.  This is servlet API thing, not a tomcat thing.  I think it's a bad
> > idea to develop servlet to depend on the order in which a request object
> > is formed because you never know for sure that an ordering is going to
> > be fixed.  For example, say a hashing algorithm is used for speed up
> > access.  How do you order the elements of a hash table?  The only thing
> > I could suggest is preface every form element with its' order, 1st 
>element
> > would be 0_elementname and 9th element would be 8_elementname, then 
>order
> > the elements yourself, but I think this is kind of sloppy.
>
>Maybe provide another hidden field in your form specifing order (<field
>type="hidden" name="field-order" value="f1,f2,f3" > or something), then add
>a filter (assuming you use T4.0/S2.3) prividing custom Request adding
>methods for getting other fields by numbers.
>
> >
> >
> > ---
> > Michael Wentzel
> > Software Developer
> > Software As We Think - http://www.aswethink.com
>
>Greetings,
>      deacon Marcus
>

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