[JENA-183] Different outputs when using Stmt.createReifiedStatement()

• Type: Wish
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Component/s: RDF/XML

Environment

Jena 2.6.4

• Assignee: Unassigned
• Reporter: Srimanth
• Created: 26/Dec/11 17:05
• Updated: 18/Dec/12 10:26
• Resolved: 18/Dec/12 10:26

Description

I have a model which contains a reified statement. Depending on what URLs I use for the resources, I get different valid outputs - which is inconsistent.
I need to consistently generate one format as I have to document in our specification how it will be. There could be simple XML parsers which consume it.

Code:
===================================================
public class JenaReifiedProblem {
private static final String someBase = "http://someserver/myapp";
public static void main(String[] args)

{ generate1("http://localhost:8080"); System.out.println("---------"); generate1("http://localhost:8080/app"); System.out.println("---------"); }

public static void generate1(String serverURL)

{ Model model = ModelFactory.createDefaultModel(); model.setNsPrefix("dcterms", DCTerms.NS); Resource agent = model.createResource(serverURL+"/agent1", DCTerms.Agent); Resource fileFormat = model.createResource("http://formatsite.org/fileformat", DCTerms.FileFormat); fileFormat.addProperty(DCTerms.title, "TXT"); agent.addProperty(DCTerms.format, fileFormat); agent.addProperty(DCTerms.relation, model.createResource(serverURL+"/agent2")); ReifiedStatement rs = agent.getProperty(DCTerms.relation).createReifiedStatement(someBase+"#relationship"); rs.addProperty(DCTerms.title, "My releationship"); model.write(System.out, "RDF/XML-ABBREV", someBase); }

}
===================================================

Output:
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<rdf:RDF
xmlns:dcterms="http://purl.org/dc/terms/"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<dcterms:Agent rdf:about="http://localhost:8080/agent1">
<dcterms:relation rdf:ID="relationship" rdf:resource="http://localhost:8080/agent2"/>
<dcterms:format>
<dcterms:FileFormat rdf:about="http://formatsite.org/fileformat">
<dcterms:title>TXT</dcterms:title>
</dcterms:FileFormat>
</dcterms:format>
</dcterms:Agent>
<rdf:Statement rdf:about="#relationship">
<dcterms:title>My releationship</dcterms:title>
</rdf:Statement>
</rdf:RDF>
---------
<rdf:RDF
xmlns:dcterms="http://purl.org/dc/terms/"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<dcterms:FileFormat rdf:about="http://formatsite.org/fileformat">
<dcterms:title>TXT</dcterms:title>
</dcterms:FileFormat>
<rdf:Statement rdf:ID="relationship">
<rdf:subject>
<dcterms:Agent rdf:about="http://localhost:8080/app/agent1">
<dcterms:relation rdf:resource="http://localhost:8080/app/agent2"/>
<dcterms:format rdf:resource="http://formatsite.org/fileformat"/>
</dcterms:Agent>
</rdf:subject>
<rdf:predicate rdf:resource="http://purl.org/dc/terms/relation"/>
<rdf:object rdf:resource="http://localhost:8080/app/agent2"/>
<dcterms:title>My releationship</dcterms:title>
</rdf:Statement>
</rdf:RDF>
---------
===================================================