Hi.

This proposal is already explained in
http://jira.xwiki.org/browse/XWIKI-12206. I think it is an important issue
to fix because it blocks http://jira.xwiki.org/browse/XWIKI-12198 (Ensure
annotations work on nested spaces).

The current REST URL for a space is:
/xwiki/rest/wikis/xwiki/spaces/Europe

and for a page:
/xwiki/rest/wikis/xwiki/spaces/Europe/pages/WebHome

The idea is to use dots as space separator in the REST URLs in the case of
nested spaces. Example:
/xwiki/rest/wikis/xwiki/spaces/Europe.France.Paris

For spaces containing dots in their name, we simply escape them with \
(%5C).

It has the drawback to not have a similar URL than the standard action, ie:
/xwiki/bin/view/Europe/France/Paris/WebHome - for view action
/xwiki/rest/wikis/xwiki/spaces/Europe.France.Paris/pages/WebHome - for REST
action

But it does not seem possible to handle "/" in path parameters with Restlet.
ie:
/xwiki/rest/wikis/xwiki/spaces/Europe/France/Paris/pages/WebHome
is not supported by Restlet.

After a talk with some Restlet committers, they confirm me that we have to
write our own URL router to handle this. I don't know if it worth the pain
although I don't have evaluated it.

So I guess this proposal using dots is the best option, but I'm free to
talk about this.

Thanks,
Guillaume

-- 
Guillaume Delhumeau ([email protected])
Research & Development Engineer at XWiki SAS
Committer on the XWiki.org project
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