Hi.
> >> In my app I have a JAXB generated binding object instance. The instance
> >> may be modified via "edit" actions. The modifications may be saved via
> >> "save" action or discarded via "discard" action. I am looking for some
> >> way to restore the original state of the JAXB generated binding object
> >> from a snapshot of its original state. What would be terrific is if
> >> there was some way to unmarshal previously marshalled state to an
> >> existing object instance. This would allow me to restore the state on
> >> discard.
> >>
> >> Is there any way to do this? If not, how have others solved similar
> >> design issue? TIA for your help.
> >>
> >
> > Take a look at "copyable" plugin from jaxb2-commons. You can
> > unmarshall an object an copy its state into another object. You may
> > also provide an own "copy builder" which could, for instance, resolve
> > conflicts while copying.
> >
> >
>
> The "copyable" plugin from jaxb2-commons is just what I needed. Thank Lexi.
> BTW the plugin is not documented at jaxb2-commons.dev.java.net.
>
> Lastly, when using the plugin I ran into some case of compile errors like:
>
> ValueType.java:94: org.xxx.ValueType is abstract; cannot be instantiated
> final ValueType copy = ((target == null)?new
> ValueType():((ValueType) target));
>
> The schema was defined as follows:
>
> <complexType name="ValueType" abstract="true">
>
> Is this a known issue ir shall I file a new issue report?
No, not known before, please file. I this a IllegalArgumentException
should be thrown in this case
Bye.
/lexi