Re: [lyo-dev] How to manually set rdf:about in automatically created res

[Samuel Padgett <spadgett@xxxxxxxxxx>]

Erica,

The ResponseInfo URI comes from the HttpServletRequest. I believe per the OSLC spec it must match, so it's not something I'd suggest you change (and I don't think it's possible in Lyo).

http://open-services.net/bin/view/Main/OslcCoreSpecification?sortcol=table;table=up#Resource_Paging

"The subject resource URI of the oslc:ResponseInfo resource representation will be the HTTP request URI, or URI from subsequent redirects."

What request URL did you use to get that query response?

--
Samuel Padgett | IBM Rational | spadgett@xxxxxxxxxx

-----lyo-dev-bounces@xxxxxxxxxxx wrote: -----

To: lyo-dev@xxxxxxxxxxx
From: Erica Brown/Durham/IBM@IBMUS
Sent by: lyo-dev-bounces@xxxxxxxxxxx
Date: 07/09/2013 12:51PM
Subject: [lyo-dev] How to manually set rdf:about in automatically created resources

Hi,
So, I have this implementation of oslc4j working in our environment...
I am having a problem showing the proper URI in rdf:about for the returned service.. Here is an example:
If I goto the oslc interface:
http://localhost:8080/XXXX/oslc/ 
I get the output from the service provider:
rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:oslc="http://open-services.net/ns/core#">

<oslc:ServiceProvider rdf:about="http://localhost:8080/XXXX/oslc/">
<oslc:details rdf:resource="http://localhost:8080/XXXX/oslc/version"/>
<oslc:prefixDefinition>
<oslc:PrefixDefinition>
<oslc:prefixBase rdf:resource="http://jazz.net/ns/ism/console#"/>
<oslc:prefix>console</oslc:prefix>
</oslc:PrefixDefinition>
</oslc:prefixDefinition>
<oslc:service>
<oslc:Service>
<oslc:queryCapability>
<oslc:QueryCapability>
<oslc:usage rdf:resource="http://open-services.net/ns/core#default"/>
<dcterms:title rdf:datatype="http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral">
Queries for deployments that are available in this service
</dcterms:title>
<oslc:resourceType rdf:resource="http://jazz.net/ns/ism/console#Deployment"/>
<oslc:queryBase rdf:resource="http://localhost:8080/XXXX/oslc/deployments"/>
<oslc:label>Query Deployments</oslc:label>
</oslc:QueryCapability>
</oslc:queryCapability>
<oslc:queryCapability>
<oslc:QueryCapability>

Now, if I go to the resource connections:
I see the about is not the correct URI for the ResponseInfo:
<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:oslc="http://open-services.net/ns/core#"xmlns:console="http://jazz.net/ns/ism/console#">
<oslc:ResponseInfo rdf:about="http://vulcan-w520.raleigh.ibm.com:8080/XXXX/connections">
<rdfs:member>
<rdf:Description rdf:about="http://localhost:8080/XXXX/oslc//connections/connCuri">
<console:protocol>https</console:protocol>
<console:id>connCuri</console:id>
<console:password>password</console:password>
<console:username>smadmin</console:username>
<console:url>/ibm/tivoli/rest/datasets/ConnectionManager</console:url>
<console:port>16311</console:port>
<console:host>9.42.101.105</console:host>
<console:type>http://jazz.net/ns/ism/console/connection#curi</console:type>
</rdf:Description>
</rdfs:member>

But it is set properly for the connection being returned because I set it manually
In the code I have this set for the path..

@OslcService(IRestConstants.CONSOLE_URI)//http://jazz.net/ns/ism/console#
@Path(IRestConstants.CONNECTIONS)//connections

So, I assume the about is being set to the App/{path} instead of using the URI set for the service provider..

In the web.xml I setup the servlet mapping for the OSLC interface

<servlet-mapping>
<servlet-name>OSLCServlet</servlet-name>
<url-pattern>/oslc</url-pattern>
<url-pattern>/oslc/*</url-pattern>
</servlet-mapping>

So, the user has to goto localhost:<port>/App/oslc
For the service provider
and
localhost:<port>/App/oslc/connections
For the connections and so on.

Is there a way around this by just setting the about for the response with the URI base..
Or do I need to work things in a different way.
Let me know if I need to include more information. I am not keen on all the naming of things yet,
so this explaination may seem confusing to some.
Sorry, I'm still new to OSLC.
Thanks!

_________________________________________________________
Erica Brown
DASH/Blaze Software Developer
IBM Software | Cloud & Smarter Infrastructure
919.224.1460 (phone) | 687.1460 (tie-line)
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