The first question that comes to my mind is: Why create those subclasses
manually? The natural approach seems to be an extension of the XML schema.
"Some logic" can be inserted using available plugins. Fiddling with the
generated code tends to be a pain in the neck as well as a maintenance risk.
-W
On 12 June 2011 17:14, Floris Ouwendijk <floris233_at_gmail.com> wrote:
> Hi,
>
> I've been looking at how to customize the JAXB binding to implement the
> Generation Gap Pattern but cannot figure it out.
> Essentially I would like to have xjc generate the code from a schema file,
> where the generated code contains the basic implementations. I will manually
> create subclasses of those generated files containing some logic. When
> unmarshalling a document, I want the type to be my subclass, and navigating
> the document I want the return types of all elements (or those that I
> specified as using the pattern) to be my subtypes, and not the basic
> implementations.
> I've tried the class binding declarations and modifying the object factory,
> but while instances of my classes are returned, the types are the basic
> types, thus forcing me to cast.
> It seems the route to go then is to create a plug-in that keeps all
> references to the specified name, but generate the file with a slightly
> different name.
> Any suggestions on where to make the modifications? So far I've had no luck
> inserting new CClassInfo objects into the model during postProcessModel. (Or
> is there a way using the regular customizations?)
>
> Kind regards,
> Floris
>