On Tue, Oct 8, 2013 at 9:22 AM, Mauro Bartolomeoli <
[email protected]> wrote:
> Hi everybody,
> after some discussion with Christian and Andrea about current security
> modules configuration limits in the ability to backport them, I was
> thinking if we could try to introduce some flexibility to allow backporting
> in simple cases.
> Talking with Andrea we found that 1.4.5 version of XStream allows ignoring
> unknown attributes (so that the unmarshalling doesn't break loading a newer
> configuration with unrecognized properties): you can find some reference
> here: http://jira.codehaus.org/browse/XSTR-691.
> Moreover, we could introduce a metadata map, similar to the one used in
> Catalog objects, to be used in backported versions.
>
> So, what we could do is:
> - upgrade XStream to 1.4.5 (from the current 1.4.3) and enable the
> unrecognized attributes ignore flag
> - introduce the metadata map in security configurations
>
> Any opinions on this?
>
If we upgrade XStream, I guess we would have a lesser need for the metadata
map.
I believe it would still be handy for out of core code, that might use the
metadata map to carry information
with special significance to them, without having to alter the core data
model, but probably less urgent
to implement
Cheers
Andrea
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