Andrea Aime wrote:
Simone Giannecchini ha scritto:
Hi list,
I was playing around today with geoserver trunk code and I noticed
that coverages with dot as part of the name do not work anymore due to
the new config/ui work.
This should be seen as a regression since it is quite frequent to have
raster data generated with dots as part of the name.
Should I opne upa Jira?
I guess so. I know we have had issues with feature type names with dots
as well, as they are common type names in SDE land, but they are not
valid in WFS 1.1 (not sure about WFS 1.0).
The current code in BasicResourceConfig adds a pattern validator
like: [\\w_]\\w* (either a word char or a underscore and then only
word chars).
First off it would be nice to have a list of the valid patterns
for the various services, and then we have to decide if being
lax and allow invalid chars in the name for some services or not
(e.g. say the dot is valid for wfs 1.0 but on wfs 1.1, what do
we do?)
aliasing works (around) just fine.
Irony is, dots _are_ valid characters for an element and attribute name
(except for the first character in the name) in XML. They're valid both
for xml Name and NCName[1].
Not completely sure, but it looks like they're valid since November 2008[2].
The WFS 1.1 spec, section 7.3, also explicitly quotes the xml spec
NCName production rule and dots are included:
#quote
[4] NCName ::= (Letter | '_') (NCNameChar)*
/* An XML Name, minus the ":" */
[5] NCNameChar ::= Letter | Digit | '.' | '-' | '_' | CombiningChar |
Extender
[6] QName ::= (Prefix ':')? LocalPart
[7] Prefix ::= NCName
[8] LocalPart ::= NCName
#/quote
and the attached xsd and xml instance do validate, so it's confirmed.
Yet I wonder why we (me included) were so convinced dots were not
allowed? No idea..
Cheers,
Gabriel
[1]<http://www.w3.org/TR/2009/CR-xmlschema11-2-20090430/datatypes.html#NCName>
[2]<http://www.w3.org/XML/xml-V10-4e-errata#E09>
Cheers
Andrea
--
Gabriel Roldan
OpenGeo - http://opengeo.org
Expert service straight from the developers.
<?xml version="1.0" encoding="UTF-8"?>
<ex:Dotted.Feature
xmlns:xlink="http://www.w3.org/1999/xlink";
xmlns:gml="http://www.opengis.net/gml";
xmlns:ex="http://www.example.com";
xsi:schemaLocation="http://www.opengis.net/gml http://schemas.opengis.net/gml/3.1.1/base/gml.xsd http://www.example.com nametest.xsd"
xmlns="http://www.example.com";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>
<My.Attribute.With.Dots>some value</My.Attribute.With.Dots>
</ex:Dotted.Feature>
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsi:schema targetNamespace="http://www.example.com";
xmlns:ex="http://www.example.com";
xmlns:gml="http://www.opengis.net/gml";
xmlns:xsi="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified"
attributeFormDefault="unqualified">
<xsi:import namespace="http://www.opengis.net/gml"; schemaLocation="http://schemas.opengis.net/gml/3.1.1/base/gml.xsd"; />
<xsi:complexType name="Dotted.Type">
<xsi:complexContent>
<xsi:extension base="gml:AbstractFeatureType">
<xsi:sequence>
<xsi:element name="My.Attribute.With.Dots" minOccurs="1" nillable="true" type="xsi:string" />
</xsi:sequence>
</xsi:extension>
</xsi:complexContent>
</xsi:complexType>
<xsi:element name="Dotted.Feature" type="ex:Dotted.Type" substitutionGroup="gml:_Feature" />
</xsi:schema>
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