public void testCreateAnonResourceWithNull() {
final Resource r = model.createResource((String) null);
Assert.assertTrue(r.isAnon());
Assert.assertNull(r.getURI());
Assert.assertNull(r.getNameSpace());
Assert.assertNull(r.getLocalName());
}
protected String jcrMixinNameFromRdfResource(final Resource mixinResource)
throws RepositoryException {
final String namespace = getJcrNamespaceForRDFNamespace(mixinResource.getNameSpace());
String namespacePrefix = null;
final Map<String, String> streamNSMap =
checkNotNull(stream().namespaces(), "Use an empty map of namespaces, not null!");
if (streamNSMap.containsValue(namespace)) {
LOGGER.debug("Found namespace: {} in stream namespace mapping.", namespace);
for (final Map.Entry<String, String> entry : streamNSMap.entrySet()) {
final String streamNamespace = entry.getValue();
if (namespace.equals(streamNamespace)) {
LOGGER.debug(
"Found namespace: {} in stream namespace mapping with prefix: {}.",
namespace,
namespacePrefix);
namespacePrefix = entry.getKey();
}
}
} else {
try {
namespacePrefix = session().getNamespacePrefix(namespace);
LOGGER.debug(
"Found namespace: {} in repository namespace mapping with prefix: {}.",
namespace,
namespacePrefix);
} catch (final NamespaceException e) {
throw new MalformedRdfException(
"Unable to resolve registered namespace for resource " + mixinResource.toString(), e);
}
}
final String mixinName = namespacePrefix + ":" + mixinResource.getLocalName();
LOGGER.debug("Constructed JCR mixin name: {}", mixinName);
return mixinName;
}
/**
* Determine if a predicate is an internal property of a node (and should not be modified from
* external sources)
*
* @param subjectNode
* @param predicate
* @return
*/
public boolean isInternalProperty(final Node subjectNode, final Resource predicate) {
switch (predicate.getNameSpace()) {
case REPOSITORY_NAMESPACE:
case JCR_NAMESPACE:
case LDP_NAMESPACE:
return true;
default:
return false;
}
}
private void unifyRDFSVersion(String ns) {
for (Iterator it = Jena.cloneIt(model.listStatements()); it.hasNext(); ) {
Statement s = (Statement) it.next();
Resource newSubject = s.getSubject();
Property newPredicate = s.getPredicate();
RDFNode newObject = s.getObject();
boolean changed = false;
if (ns.equals(newSubject.getNameSpace())) {
changed = true;
newSubject = model.getResource(RDFS.getURI() + newSubject.getLocalName());
}
if (ns.equals(newPredicate.getNameSpace())) {
changed = true;
newPredicate = model.getProperty(RDFS.getURI() + newPredicate.getLocalName());
}
if (newObject.canAs(Resource.class)) {
Resource oldResource = (Resource) newObject.as(Resource.class);
if (ns.equals(oldResource.getNameSpace())) {
changed = true;
newObject = model.getResource(RDFS.getURI() + oldResource.getLocalName());
}
}
if (changed) {
model.add(newSubject, newPredicate, newObject);
if (log.isLoggable(Level.FINE)) {
log.fine(
"Replaced deprecated triple "
+ s
+ " with "
+ newSubject
+ ", "
+ newPredicate
+ ", "
+ newObject);
}
it.remove();
}
}
}
public Collection<PropertyInstance> getAllPropInstByVClasses(List<VClass> vclasses) {
List<PropertyInstance> propInsts = new ArrayList<PropertyInstance>();
if (vclasses == null || vclasses.isEmpty()) {
return propInsts;
}
Collections.sort(
vclasses, new VClassHierarchyRanker(this.getWebappDaoFactory().getVClassDao()));
OntModel ontModel = getOntModelSelector().getTBoxModel();
try {
ontModel.enterCriticalSection(Lock.READ);
// map object property URI to an array of two resources:
// the first is the "allValuesFrom" resource and the second is
// "someValuesFrom"
Map<String, Resource[]> applicableProperties = new HashMap<String, Resource[]>();
try {
for (VClass vclass : vclasses) {
if (vclass.isAnonymous()) {
continue;
}
String VClassURI = vclass.getURI();
OntClass ontClass = getOntClass(ontModel, VClassURI);
if (ontClass != null) {
List<OntClass> relatedClasses = new ArrayList<OntClass>();
relatedClasses.addAll(ontClass.listEquivalentClasses().toList());
relatedClasses.addAll(ontClass.listSuperClasses().toList());
for (OntClass relatedClass : relatedClasses) {
// find properties in restrictions
if (relatedClass.isRestriction()) {
// TODO: check if restriction is something like
// maxCardinality 0 or allValuesFrom owl:Nothing,
// in which case the property is NOT applicable!
Restriction rest = (Restriction) relatedClass.as(Restriction.class);
OntProperty onProperty = rest.getOnProperty();
if (onProperty != null && onProperty.canAs(ObjectProperty.class)) {
Resource[] ranges = new Resource[2];
if (rest.isAllValuesFromRestriction()) {
ranges[0] = (rest.asAllValuesFromRestriction()).getAllValuesFrom();
} else if (rest.isSomeValuesFromRestriction()) {
ranges[1] = (rest.asSomeValuesFromRestriction()).getSomeValuesFrom();
}
updatePropertyRangeMap(applicableProperties, onProperty.getURI(), ranges);
}
}
}
// find properties with class in domain
ResIterator pit = ontModel.listSubjectsWithProperty(RDFS.domain, ontClass);
while (pit.hasNext()) {
Resource prop = pit.nextResource();
if (prop.getNameSpace() != null
&& !NONUSER_NAMESPACES.contains(prop.getNameSpace())) {
StmtIterator rangeSit = prop.listProperties(RDFS.range);
Resource rangeRes = null;
while (rangeSit.hasNext()) {
Statement s = rangeSit.nextStatement();
if (s.getObject().isURIResource()) {
rangeRes = (Resource) s.getObject();
}
}
Resource[] ranges = new Resource[2];
ranges[0] = rangeRes;
updatePropertyRangeMap(applicableProperties, prop.getURI(), ranges);
}
}
}
}
} catch (Exception e) {
log.error(
"Unable to get applicable properties "
+ "by examining property restrictions and domains",
e);
}
// make the PropertyInstance objects
for (String propertyURI : applicableProperties.keySet()) {
ObjectProperty op = ontModel.getObjectProperty(propertyURI);
if (op == null) {
continue;
}
String domainURIStr = getURIStr(op.getDomain());
Resource[] foundRanges = applicableProperties.get(propertyURI);
Resource rangeRes =
(foundRanges[0] != null)
? foundRanges[0]
: (op.getRange() == null && foundRanges[1] != null)
? foundRanges[1]
: op.getRange();
PropertyInstance pi = new PropertyInstance();
if (rangeRes != null) {
String rangeClassURI;
if (rangeRes.isAnon()) {
rangeClassURI = PSEUDO_BNODE_NS + rangeRes.getId().toString();
} else {
rangeClassURI = (String) rangeRes.getURI();
}
pi.setRangeClassURI(rangeClassURI);
try {
pi.setRangeClassName(
getWebappDaoFactory().getVClassDao().getVClassByURI(rangeClassURI).getName());
// pi.setRangeClassName(getLabel(getOntModel().getOntResource(rangeClassURI)));
} catch (NullPointerException e) {
/* probably a union or intersection - need to handle this somehow */
}
} else {
pi.setRangeClassURI(OWL.Thing.getURI()); // TODO see above
}
pi.setDomainClassURI(domainURIStr);
try {
pi.setDomainClassName(
getWebappDaoFactory().getVClassDao().getVClassByURI(domainURIStr).getName());
// pi.setDomainClassName(getLabel(getOntModel().getOntResource(op.getDomain().getURI())));
} catch (NullPointerException e) {
/* probably a union or intersection - need to handle this somehow */
}
pi.setSubjectSide(true);
pi.setPropertyURI(op.getURI());
pi.setPropertyName(getLabelOrId(op)); // TODO
pi.setRangePublic(getLabelOrId(op));
pi.setDomainPublic(getLabelOrId(op));
propInsts.add(pi);
}
} finally {
ontModel.leaveCriticalSection();
}
Collections.sort(propInsts, new PropInstSorter());
return propInsts;
}
/** @see com.hp.hpl.jena.rdf.model.Resource#getNameSpace() */
public String getNameSpace() {
synchronized (model) {
return wrapped.getNameSpace();
}
}
