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Description
PREFIX is a modern alternative for @prefix: https://www.w3.org/TR/turtle/#turtle-prefixes
following testcase fails with exception:
String ttl = """
PREFIX dc: <http://purl.org/dc/elements/1.1/>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
""";
OWLOntology owl = OntManagers.createOWLAPIImplManager().loadOntologyFromOntologyDocument(
new StringDocumentSource(ttl, IRI.create("x"), new TurtleDocumentFormat(), "ttl")
);
owl.saveOntology(System.out);Exception in thread "main" org.semanticweb.owlapi.io.UnparsableOntologyException: Problem parsing x
Could not parse ontology. Either a suitable parser could not be found, or parsing failed. See parser logs below for explanation.
The following parsers were tried:
1) org.semanticweb.owlapi.rdf.turtle.parser.TurtleOntologyParser@724f138e
Detailed logs:
--------------------------------------------------------------------------------
Parser: org.semanticweb.owlapi.rdf.turtle.parser.TurtleOntologyParser@724f138e
Stack trace:
org.semanticweb.owlapi.rdf.turtle.parser.ParseException: Encountered unexpected token: "PREFIX" <PN_LOCAL>
at line 1, column 1.
Was expecting one of:
"("
"@base"
"@prefix"
"["
<EMPTY_BLANK_NODE>
<FULLIRI>
<NODEID>
<PNAME_LN>
<PNAME_NS>
org.semanticweb.owlapi.rdf.turtle.parser.TurtleOntologyParser.parse(TurtleOntologyParser.java:58)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyFactoryImpl.loadOWLOntology(OWLOntologyFactoryImpl.java:195)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.load(OWLOntologyManagerImpl.java:1105)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntology(OWLOntologyManagerImpl.java:1055)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntologyFromOntologyDocument(OWLOntologyManagerImpl.java:1005)
com.github.owlcs.ontapi.tmp.TmpTurtleInvestigation.main(TmpTurtleInvestigation.java:25)
Encountered unexpected token: "PREFIX" <PN_LOCAL>
at line 1, column 1.
Was expecting one of:
"("
"@base"
"@prefix"
"["
<EMPTY_BLANK_NODE>
<FULLIRI>
<NODEID>
<PNAME_LN>
<PNAME_NS>
org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.generateParseException(TurtleParser.java:1034)
org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.jj_consume_token(TurtleParser.java:902)
org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.parseDocument(TurtleParser.java:165)
org.semanticweb.owlapi.rdf.turtle.parser.TurtleOntologyParser.parse(TurtleOntologyParser.java:54)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyFactoryImpl.loadOWLOntology(OWLOntologyFactoryImpl.java:195)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.load(OWLOntologyManagerImpl.java:1105)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntology(OWLOntologyManagerImpl.java:1055)
uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntologyFromOntologyDocument(OWLOntologyManagerImpl.java:1005)
com.github.owlcs.ontapi.tmp.TmpTurtleInvestigation.main(TmpTurtleInvestigation.java:25)
at uk.ac.manchester.cs.owl.owlapi.OWLOntologyFactoryImpl.loadOWLOntology(OWLOntologyFactoryImpl.java:236)
at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.load(OWLOntologyManagerImpl.java:1105)
at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntology(OWLOntologyManagerImpl.java:1055)
at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntologyFromOntologyDocument(OWLOntologyManagerImpl.java:1005)
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