How to use

getNameSpace

method

in

org.apache.jena.rdf.model.Property

  @Override
  public Statement accept(Statement o) {
    Statement s = o;
    Property p = s.getPredicate();
    return ((!p.getNameSpace().equals(rdfns)) || !((RDF.type
        .equals(p) && s.getObject().equals(RDF.Statement))
        || RDF.object.equals(p) || RDF.predicate.equals(p) || RDF.subject
        .equals(p))) ? o : null;
  }
}, ss);

  @Override
  public Statement accept(Statement o) {
    Statement s = o;
    Property p = s.getPredicate();
    return ((!p.getNameSpace().equals(rdfns)) || !((RDF.type
        .equals(p) && s.getObject().equals(RDF.Statement))
        || RDF.object.equals(p) || RDF.predicate.equals(p) || RDF.subject
        .equals(p))) ? o : null;
  }
}, ss);

protected static int getIndex(final Property p) {
  if (p.getNameSpace().equals(RDF.getURI())
      && p.getLocalName().startsWith("_")) {
    try {
      return Integer.parseInt(p.getLocalName().substring(1));
    } catch (final NumberFormatException e) {
      // acceptable;
    }
  }
  return -1;
}

@Override
public boolean test( final Statement o )
{
  final Property p = o.getPredicate();
  if (p.getNameSpace().equals(RDF.getURI())
      && p.getLocalName().startsWith("_"))
  {
    try
    {
      Integer.parseInt(p.getLocalName().substring(1));
      return true;
    }
    catch (final NumberFormatException e)
    {
      // acceptable;
    }
  }
  return false;
}

protected void writePredicate(Statement stmt, final PrintWriter writer)
   {
  final Property predicate = stmt.getPredicate();
  final RDFNode object = stmt.getObject();
  writer.print(space+space+
    "<"
      + startElementTag(
        predicate.getNameSpace(),
        predicate.getLocalName()));
              if (object instanceof Resource) {
    writer.print(" ");
    writeResourceReference(((Resource) object), writer);
    writer.println("/>");
  } else {
    writeLiteral((Literal) object, writer);
    writer.println(
      "</"
        + endElementTag(
          predicate.getNameSpace(),
          predicate.getLocalName())
        + ">");
  }
}

protected void writePredicate(Statement stmt, final PrintWriter writer)
   {
  final Property predicate = stmt.getPredicate();
  final RDFNode object = stmt.getObject();
  writer.print(space+space+
    "<"
      + startElementTag(
        predicate.getNameSpace(),
        predicate.getLocalName()));
              if (object instanceof Resource) {
    writer.print(" ");
    writeResourceReference(((Resource) object), writer);
    writer.println("/>");
  } else {
    writeLiteral((Literal) object, writer);
    writer.println(
      "</"
        + endElementTag(
          predicate.getNameSpace(),
          predicate.getLocalName())
        + ">");
  }
}

private void makeNewNamespaces(Statement s) {
  List<String> namespacesToCheck = new LinkedList<String>();
  Resource subj = s.getSubject();
  if ( (!subj.isAnon()) && (subj.getNameSpace() != null) ) {
    namespacesToCheck.add(subj.getNameSpace());
  }
  Property pred = s.getPredicate();
  if (pred.getNameSpace() != null) {
    namespacesToCheck.add(pred.getNameSpace());		
  }
  if ( s.getObject().isResource() ) {
    if ( ((Resource)s.getObject()).getNameSpace() != null ) {
      namespacesToCheck.add( ((Resource)s.getObject()).getNameSpace() );
    }
  }
  processPossibleNewNamespaces(namespacesToCheck);
}

  @Override
  public Resource write(Model model) {
    Resource resource = ElementWriter.copyElementResourceInModel(resultAnnotation, model);

    // rdf:type sh:AnnotationProperty
    resource.addProperty(RDF.type, annotationClazz);

    // annotation property
    resource.addProperty(propertyP, resultAnnotation.getAnnotationProperty());

    if (resultAnnotation.getAnnotationValue().isPresent()) {
      resource.addProperty(valueP, resultAnnotation.getAnnotationValue().get());
    }

    // in RDFUnit vocab the annotation value is the same and the variable name starts with '?'
    String prefix = valueP.getNameSpace().equals(RDFUNITv.namespace) ? "?" : "";

    if (resultAnnotation.getAnnotationVarName().isPresent()) {
      resource.addProperty(varNameP, prefix + resultAnnotation.getAnnotationVarName().get());
    }

    return resource;
  }
}

  @Override
  public Resource write(Model model) {
    Resource resource = ElementWriter.copyElementResourceInModel(resultAnnotation, model);

    // rdf:type sh:AnnotationProperty
    resource.addProperty(RDF.type, annotationClazz);

    // annotation property
    resource.addProperty(propertyP, resultAnnotation.getAnnotationProperty());

    if (resultAnnotation.getAnnotationValue().isPresent()) {
      resource.addProperty(valueP, resultAnnotation.getAnnotationValue().get());
    }

    // in RDFUnit vocab the annotation value is the same and the variable name starts with '?'
    String prefix = valueP.getNameSpace().equals(RDFUNITv.namespace) ? "?" : "";

    if (resultAnnotation.getAnnotationVarName().isPresent()) {
      resource.addProperty(varNameP, prefix + resultAnnotation.getAnnotationVarName().get());
    }

    return resource;
  }
}

private List<ObjectPropertyPair> getRawObjectPropertyPairs(Model m,
    String subjectUri) {
  List<ObjectPropertyPair> list = new ArrayList<>();
  for (Statement stmt : m.listStatements(m.createResource(subjectUri),
      null, (RDFNode) null).toList()) {
    if (wadf.getNonuserNamespaces().contains(
        stmt.getPredicate().getNameSpace())) {
      continue;
    }
    if (!stmt.getObject().isURIResource()) {
      continue;
    }
    list.add(new ObjectPropertyPair(stmt.getPredicate().getURI(), stmt
        .getObject().asResource().getURI()));
  }
  return list;
}

public void testCreatePropertyOneArg()
{
  final Property p = model.createProperty("abc/def");
  Assert.assertEquals("abc/", p.getNameSpace());
  Assert.assertEquals("def", p.getLocalName());
  Assert.assertEquals("abc/def", p.getURI());
}

public void testCreatePropertyOneArg()
{
  final Property p = model.createProperty("abc/def");
  Assert.assertEquals("abc/", p.getNameSpace());
  Assert.assertEquals("def", p.getLocalName());
  Assert.assertEquals("abc/def", p.getURI());
}

public void testCreatePropertyTwoArgs()
{
  final Property p = model.createProperty("abc/", "def");
  Assert.assertEquals("abc/", p.getNameSpace());
  Assert.assertEquals("def", p.getLocalName());
  Assert.assertEquals("abc/def", p.getURI());
}

public void testCreatePropertyTwoArgs()
{
  final Property p = model.createProperty("abc/", "def");
  Assert.assertEquals("abc/", p.getNameSpace());
  Assert.assertEquals("def", p.getLocalName());
  Assert.assertEquals("abc/def", p.getURI());
}

public void testNamespaceIterator()
{
  final boolean predf[] = new boolean[num];
  for (int i = 0; i < num; i++)
  {
    predf[i] = false;
  }
  final NsIterator nIter = model.listNameSpaces();
  while (nIter.hasNext())
  {
    final String ns = nIter.nextNs();
    boolean found = false;
    for (int i = 0; i < num; i++)
    {
      if (ns.equals(predicate[i].getNameSpace()))
      {
        found = true;
        Assert.assertFalse("Should not have found " + predicate[i]
            + " already.", predf[i]);
        predf[i] = true;
      }
    }
    Assert.assertTrue("Should have found " + ns, found);
  }
  for (int i = 0; i < num; i++)
  {
    Assert.assertTrue("Should have found " + predicate[i], predf[i]);
  }
}

public void testNamespaceIterator()
{
  final boolean predf[] = new boolean[num];
  for (int i = 0; i < num; i++)
  {
    predf[i] = false;
  }
  final NsIterator nIter = model.listNameSpaces();
  while (nIter.hasNext())
  {
    final String ns = nIter.nextNs();
    boolean found = false;
    for (int i = 0; i < num; i++)
    {
      if (ns.equals(predicate[i].getNameSpace()))
      {
        found = true;
        Assert.assertFalse("Should not have found " + predicate[i]
            + " already.", predf[i]);
        predf[i] = true;
      }
    }
    Assert.assertTrue("Should have found " + ns, found);
  }
  for (int i = 0; i < num; i++)
  {
    Assert.assertTrue("Should have found " + predicate[i], predf[i]);
  }
}

public void testCreatePropertyStrangeURI()
{
  final String uri = RDF.getURI() + "_345";
  final Property p = model.createProperty(uri);
  Assert.assertEquals(RDF.getURI(), p.getNameSpace());
  Assert.assertEquals("_345", p.getLocalName());
  Assert.assertEquals(uri, p.getURI());
}

public void testCreatePropertyStrangeURI()
{
  final String uri = RDF.getURI() + "_345";
  final Property p = model.createProperty(uri);
  Assert.assertEquals(RDF.getURI(), p.getNameSpace());
  Assert.assertEquals("_345", p.getLocalName());
  Assert.assertEquals(uri, p.getURI());
}

public void testCreatePropertyStrangeURITwoArgs()
{
  final String local = "_345";
  final Property p = model.createProperty(RDF.getURI(), local);
  Assert.assertEquals(RDF.getURI(), p.getNameSpace());
  Assert.assertEquals(local, p.getLocalName());
  Assert.assertEquals(RDF.getURI() + local, p.getURI());
}

public void testCreatePropertyStrangeURITwoArgs()
{
  final String local = "_345";
  final Property p = model.createProperty(RDF.getURI(), local);
  Assert.assertEquals(RDF.getURI(), p.getNameSpace());
  Assert.assertEquals(local, p.getLocalName());
  Assert.assertEquals(RDF.getURI() + local, p.getURI());
}