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From Bozhong Lin <b...@iona.com>
Subject Re: Schema namespaces and public URIs
Date Wed, 23 May 2007 01:18:17 GMT
I had previously filed a JIRA issue [1] for this problem, I will add the 
discussion here to JIRA issue. Yep, I totally agree that we need to 
clean up this.

Regards,
Bo

[1] https://issues.apache.org/jira/browse/CXF-613

Andrea Smyth wrote:
> Hi,
>
> Before we release 2.0 Final  (hopefully with cfg files etc. fixed so 
> that we can enable Spring schema validation:))  is an opportunity to 
> modify and bring consistency into namespaces and public URIs for the 
> CXF schemas.
> Taking two schemas as an example, we have
>
> Location: 
> trunk/rt/frontend/jaxws/src/main/resources/org/apache/cxf/jaxws/spring/jaxws.xsd 
>
> Target namespace: http://cxf.apache.org/jaxws
> Public URI (as per spring.schemas): 
> http://cxf.apache.org/schema/jaxws.xsd
>
> or
>
> Location: trunk/tools/common/src/main/resources/schemas/wsdl/jms.xsd
> Target namespace: http://cxf.apache.org/transports/jms
> Public URI (as per spring.schemas): 
> http://cxf.apache.org/transport/jms.xsd
>
> Right now, the schemas are not available at their public URI, but long 
> term they should be IMO, and therefore I'd like to see that
> a) they use at least a common prefix, e.g. schema, after 
> http://cxf.apache.org/ to avoid clashes in d). The first example uses 
> "schema", the second uses no prefix at all, and yet others use 
> "schemas" instead of schema, see the concatenation of all 
> spring.schemas files in CXF below.
> b) possibly include a version number or a date in the prefix, i.e. 
> schemas/2.0 or schemas/2007/06 (personally I find version numbers a 
> bit friendlier than dates;  the version number need not be the same 
> for all schemas in a release, it would just happen to be so for the 
> 2.0 release).
> c) all cfg files consistently use these public URIs in their 
> schemalocation attribute
> d) ideally we can make them available at their public URI
> Right now this would have to be under  
> http://incubator.apache.org/cxf/ but I assume that after graduation 
> this will change to  http://cxf.apache.org. I we want to avoid a 
> needless change upon graduation, we could use http://cxf.apache.org in 
> the public URI already, and tell people that for now that can find any 
> (public, documented) CXF schema by substituting cxf.apache.org with 
> incubator.apache/cxf.
>
> As far as namespaces are concerned, we can use the same, a different 
> or no prefix - but whatever it is it should be used consistently. 
> Using the same prefix as in the URI is probably the simplest solution.
>
> A version number or date in the namespace/public URI may look ugly, 
> but could prove very useful,  especially as there is no such thing as 
> "the" big CXF schema, but lots of small schemas instead. And depending 
> on the evolution of their associated modules, they are more or less 
> subject to change in the future.
>
> What do people think?
>
> Andrea.
>
> --- all spring.schemas ---
>
> http\://cxf.apache.org/schemas/configuration/cxf-beans.xsd=schemas/configuration/cxf-beans.xsd

>
> http\://cxf.apache.org/schema/bindings/object.xsd=org/apache/cxf/binding/soap/spring/object.xsd

>
> http\://cxf.apache.org/schema/bindings/soap.xsd=org/apache/cxf/binding/soap/spring/soap.xsd

>
> http\://cxf.apache.org/schema/jaxws.xsd=org/apache/cxf/jaxws/spring/jaxws.xsd 
>
> http\://cxf.apache.org/schema/jaxws.xsd=org/apache/cxf/jaxws/spring/jaxws.xsd 
>
> http\://cxf.apache.org/schema/transports/http.xsd=schemas/wsdl/http-conf.xsd 
>
> http\://cxf.apache.org/../../../../../../common/schemas/src/main/resources/schemas/configuration/security.xsd=schemas/configuration/security.xsd

>
> http\://cxf.apache.org/../../../../../../common/schemas/src/main/resources/schemas/wsdl/wsdl.xsd=schemas/wsdl/wsdl.xsd

>
> http\://cxf.apache.org/transport/jms.xsd=schemas/wsdl/jms.xsd
> http\://cxf.apache.org/../../../../../../common/schemas/src/main/resources/schemas/configuration/security.xsd=schemas/configuration/security.xsd

>
> http\://cxf.apache.org/../../../../../../common/schemas/src/main/resources/schemas/wsdl/wsdl.xsd=schemas/wsdl/wsdl.xsd

>
> http\://cxf.apache.org/schemas/ws/addressing.xsd=schemas/ws-addr-conf.xsd
> http\://www.w3.org/2006/07/ws-policy=schemas/ws-policy-200607.xsd
> http\://schemas.xmlsoap.org/ws/2004/09/policy=schemas/ws-policy-200409.xsd 
>
> http\://cxf.apache.org/ws/rm/manager-types.xsd=schemas/configuration/manager-types.xsd

>
> http\://cxf.apache.org/ws/rm/manager.xsd=schemas/configuration/manager.xsd 
>
> http\://schemas.xmlsoap.org/ws/2005/02/rm/wsrm-policy.xsd=schemas/configuration/wsrm-policy.xsd

>
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