According to the docs for DynaActionForm, you indicate a property is indexed
by putting [] after the type name. What I think is going on is that the
property is not initalized when the iterator tries to access it, thus the
'No collection found'. But I don't know how to set this up so it works
correctly. Since Struts seems to handle just about everything else, it'd
surprise me if you couldn't iterate over a dynamic form property in order to
setup inputs.
thx
-Original Message-
From: Karr, David [mailto:david.karr@;attws.com]
Sent: Wednesday, November 13, 2002 18:02
To: Struts Users Mailing List
Subject: RE: indexed properties and form help needed
At end.
> -Original Message-
> From: Andy Kriger [mailto:akriger@;greaterthanone.com]
>
> I have a DynaActionForm collecting credit card info. A user
> can enter up to
> 3 credit cards on the form. I want to collect this info in
> the text fields
> and create new CreditCard objects automatically; ideally, I
> would get a
> CreditCard[3] once the form is submitted (optionally an
> ArrayList would be
> fine). I would like to use indexed properties (right now I'm
> using hard
> coded property names), but I cannot figure out how to set this up.
>
> I am getting either a 'No collection found' error or a
> 'Cannot iterate over
> collection' error (depending on how I mess with this).
>
> What follows is rough code of what I'm trying to do.
>
> A CreditCard object has 5 fields with get/set methods for
> each: type, name,
> number, expMonth, expYear.
>
>
>
> name='registrationForm'
> length='3'>
>indexed='true'>
>
>
>indexed='true'>
>indexed='true'>
>indexed='true'>
>indexed='true'>
>
>
>
>
>
>
>type='my.package.CreditCard[]'/>
>
Note that I haven't compiled or run any of this.
I would first expect my loop to look more like this:
I would have accessors for "name", "number", "expMonth" and "expYear" in the
CreditCard class.
At that point, I scratch my head, because I don't know how to represent
indexed properties in DynaActionForms. With a regular ActionForm, I would
have the following in my "registrationForm" bean:
public CreditCard getCreditCard(int index) { return
(creditCards[index]); }
public void setCreditCard(int index, CreditCard creditCard) {
creditCard[index] = creditCard; }
public CreditCard[] getCreditCards() { return (creditCards); }
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