Hi Raymond,
There's no way to directly specify that a collection has to have at
least one item present (or any other number of items, for that matter).
The best you can do is add a post-set method to the containing object
which can verify that the items you expected were indeed found.
Your ClassCastException appears to be an unrelated issue. That
<collection> binding is probably the cause - what the <collection>
binding says is that the contents of the ArrayList will all be String
objects, but because you don't have any child content for the
<collection> it expects to find a <mapping> definition for these
objects. You probably want to use a <value> element inside the
collection to give an element name as a wrapper around the String values.
Sorry, Orjan, I guess I overlooked your original email on the required
content topic.
- Dennis
Raymond N. Ritz wrote:
I am interested in this as well, as I ma having some trouble binding an
ArrayList of Strings using the <collection> element such that the element is
defined as element+ in the dtd.
<collection name="Street" item-type="java.lang.String" field="street"
type="java.util.ArrayList" />
I keep receiving a java.lang.ClassCastException when attempting to marshall
the ArrayList to this collection.
A trace on the ArrayList prior to handing it off to jibx shows that I have
only objects of type java.lang.String in the list.
Any thoughts are appreciated.
Ray
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Orjan Austvold
Sent: Tuesday, February 28, 2006 10:37 AM
To: [email protected]
Subject: [jibx-users] collection with required content?
Hi,
Is there a way to specify a binding for a collection which requires at
least one element? In DTD terms this would be noted by a '+' sign after
the element instead of a '*' sign.
Thanks,
Ørjan
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