Isn't it NCName only for WCS 2.x and QName for WFS? Think about topp:states.

Jukka

________________________________
Lähettäjä: Andrea Aime<mailto:andrea.a...@geo-solutions.it>
Lähetetty: ‎25.‎4.‎2015 12:08
Vastaanottaja: Martin Davis<mailto:mtncl...@gmail.com>
Kopio: Rahkonen Jukka (MML)<mailto:jukka.rahko...@maanmittauslaitos.fi>; 
geoserver-users@lists.sourceforge.net<mailto:geoserver-users@lists.sourceforge.net>
Aihe: Re: [Geoserver-users] Questions about layer naming

On Fri, Apr 24, 2015 at 9:42 PM, Martin Davis 
<mtncl...@gmail.com<mailto:mtncl...@gmail.com>> wrote:
Ok, how about:

Names must be compatible with their use in OWS service requests and response 
documents.  For general use, consider using only the characters: upper and 
lowercase letters, numbers, dash, underscore and period.  Spaces can be 
present, but will need to be escaped in URLs.

The wording "consider using" is meant to indicate this is only a suggestion to 
avoid possible pain, not a validation rule.

Let me try a (longer) variation, removing spaces from the general rule as they 
are not valid for WFS/WCS 2.0

--------------------------------------------------------------------------------------------------------------------
Different OGC protocol have different requirements on layer names.
If you want a single rule that will make layer names across protocols, use only 
upper and lowercase letters, numbers, dash, underscore and period, and make 
sure the name starts with a letter.

If instead you're interested in using only a subset of the protocols, here is a 
summary:
* WCS 1.0, 1.1 and WMS pose no limit whatsoever on the layer names, which can 
contain pretty much any character
* WFS (all versions) and WCS 2.0 require the layer name you give to GeoServer 
to be an NCName, that is, a non colonized name. A NCName cannot contain several 
symbol characters like colon, @, $, %, &, /, +, comma, semicolon, whitespace 
characters or different parenthesis. Furthermore an NCName cannot begin with a 
number, dot or minus character although they can appear later in an NCName.
--------------------------------------------------------------------------------------------------------------------

Cheers
Andrea


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