[jira] [Closed] (JENA-362) model.listStatements(s,p,o,lang) has problems when o or lang is null

["Andy Seaborne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JENA-362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne closed JENA-362.
------------------------------

    
> model.listStatements(s,p,o,lang) has problems when o or lang is null
> --------------------------------------------------------------------
>
>                 Key: JENA-362
>                 URL: https://issues.apache.org/jira/browse/JENA-362
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: Jena
>    Affects Versions: Jena 2.7.4
>            Reporter: François-Paul Servant
>            Assignee: Andy Seaborne
>            Priority: Minor
>             Fix For: Jena 2.10.0
>
>         Attachments: ListStatementTest.java, ModelCom.java
>
>
> 1) model.listStatements(s,p,null,lang) doesn't filter on lang param
> 2) model.listStatements(s,p,o,null) only returns statements whose object has lang "" (when o != null)
> TEST 1
> import org.junit.Test;
> import com.hp.hpl.jena.rdf.model.*;
> public class LstStmt1 {
> 	@Test
> 	public final void test() {
> 		Model m = ModelFactory.createDefaultModel();
> 		Resource s = m.createResource("http://www.a.com/s");
> 		Property p = m.createProperty("http://www.a.com/p");
> 		m.add(s,p,m.createResource("http://www.a.com/o"));
> 		m.add(s,p,"texte","fr");
> 		m.add(s,p,"text","en");
> 		
> 		StmtIterator it = m.listStatements(s, p, null,"en");
> 		// list all the statements - not what one can expect
> 		for (;it.hasNext();) {
> 			System.out.println(it.next());
> 		}
> 	}
> }
> TEST2
> public class LstStmt2 {
> 	@Test
> 	public final void test() {
> 		Model m = ModelFactory.createDefaultModel();
> 		Resource s = m.createResource("http://www.a.com/s");
> 		Property p = m.createProperty("http://www.a.com/p");
> 		m.add(s,p,"text","en");
> 		m.add(s,p,"text");
> 		
> 		StmtIterator it = m.listStatements(s, p,"text",null);
> 		// should list the 2 statements, but doesn't: only the one without lang
> 		for (;it.hasNext();) {
> 			System.out.println(it.next());
> 		}
> 	}
> }

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