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https://issues.apache.org/jira/browse/JENA-51?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Seaborne closed JENA-51.
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> Turtle parser misses prefix declarations
> ----------------------------------------
>
> Key: JENA-51
> URL: https://issues.apache.org/jira/browse/JENA-51
> Project: Jena
> Issue Type: Bug
> Components: Jena
> Reporter: Richard Cyganiak
> Assignee: Andy Seaborne
> Priority: Minor
>
> Jena's Turtle parser doesn't capture @prefix declarations in the prefix
> mapping. Any triples are parsed correctly, but model.getNsPrefixMap() and
> friends show an empty prefix mapping.
> The N3 parser handles this correctly.
> ====== example code below =======
> import com.hp.hpl.jena.rdf.model.*;
> public class Test {
> public static void main(String[] args) {
> String s =
> "@prefix ex1: <http://example.com/1#>.\n" +
> "@prefix ex2: <http://example.com/2#>.\n" +
> "ex1:A a ex1:B .";
>
> Model n3 = ModelFactory.createDefaultModel();
> System.out.println("Parsing with N3 parser and printing
> prefixes:");
> n3.read(new java.io.ByteArrayInputStream(s.getBytes()), null,
> "N3");
> System.out.println(n3.getNsPrefixMap());
> Model turtle = ModelFactory.createDefaultModel();
> System.out.println("Parsing with Turtle parser and printing
> prefixes:");
> turtle.read(new java.io.ByteArrayInputStream(s.getBytes()),
> null, "TURTLE");
> System.out.println(turtle.getNsPrefixMap());
> }
> }
> ===== output ======
> Parsing with N3 parser:
> {ex2=http://example.com/2#, ex1=http://example.com/1#}
> Parsing with Turtle parser:
> {}
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