Hi James,
You want to use many different types of subscriptions interchangeably
within your collection while using the same element name for all types.
JiBX doesn't currently support this directly at present, because there's
no way for it to know which type of class to create when unmarshalling.
That should change in the future - there's a schema feature called type
substitution which does basically what you're requesting (though it
requires the "type" attribute to be in the schema instance namespace),
and it's definitely on the list for JiBX 2.0.
There's one way to do this now, using a custom marshaller/unmarshaller
that makes use of abstract mapping information, but it may be more work
than you want to try. Another alternative is to use different element
names for the different subclasses, rather than a type="xxx" attribute
to distinguish between them. I recently enhanced the CVS code to support
multiple levels of extends="..." mappings, which is what you'd want to
make this work cleanly.
- Dennis
James Abley wrote:
On 21/10/05, Mocky Habeeb <[EMAIL PROTECTED]> wrote:
I used ArrayList in this example, but arrays should work fine. Is this
at all similar to the type of output you are looking for?
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<userData>
<name>Mocky</name>
<joiningDate>1994/10/10</joiningDate>
<subscriptions>
<subscription createdDate="Fri Oct 21 08:36:22 EDT 2005"
type="credit"/>
<subscription createdDate="Fri Oct 21 08:36:22 EDT 2005"
type="position"/>
<subscription createdDate="Fri Oct 21 08:36:22 EDT 2005"
type="credit"/>
</subscriptions>
</userData>
Pretty much. I was looking for something like this:
<?xml version='1.0' encoding='UTF-8'?>
<userData>
<name>Test User</name>
<joiningDate>2005-10-19T00:00:00</joiningDate>
<subscriptions>
<subscription type="subscription">
<createdDate>2005-10-19T00:00:00</createdDate>
</subscription>
<subscription type="credit">
<createdDate>2005-10-19T00:00:00</createdDate>
<creditRenewalDate>2005-11-19T00:00:00</creditRenewalDate>
</subscription>
</subscriptions>
</userData>
Obviously, I've not got the attribute mappings in place yet, since I'm
struggling to get it to marshall the subclasses.
I'm not sure what would be the best format, so here's the four classes I have:
...
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