public static Triple createTriple(Statement statement) throws OREException {
try {
URI subject = new URI(statement.getSubject().getURI());
Property property = statement.getPredicate();
Predicate pred = new Predicate();
pred.setURI(new URI(property.getURI()));
TripleJena triple = new TripleJena();
triple.initialise(new URI(statement.getSubject().getURI()));
RDFNode node = statement.getObject();
if (node instanceof Resource) {
String uris = ((Resource) node).getURI();
// if the object is not a blank node, we include it
if (uris != null) {
URI object = new URI(uris);
triple.relate(pred, object);
}
} else {
String object = ((Literal) statement.getObject()).getLexicalForm();
triple.relate(pred, object);
}
return triple;
} catch (URISyntaxException e) {
throw new OREException(e);
}
}
private void fillMap(
Resource s, Model model, Map<Resource, SortedSet<Statement>> resource2Statements) {
// get all statements with subject s
ExtendedIterator<Statement> it = model.listStatements(s, null, (RDFNode) null);
// filter statement if necessary
if (!dropFilters.isEmpty()) {
Iterator<Filter<Statement>> iter = dropFilters.iterator();
Filter<Statement> keepFilter = iter.next();
it = it.filterKeep(keepFilter);
while (iter.hasNext()) {
it = it.filterKeep(iter.next());
// keepFilter = keepFilter.and(iter.next());
}
// it = it.filterKeep(keepFilter);
}
SortedSet<Statement> statements = resource2Statements.get(s);
if (statements == null) {
statements = new TreeSet<Statement>(comparator);
resource2Statements.put(s, statements);
}
while (it.hasNext()) {
Statement st = it.next();
statements.add(st);
if ((st.getObject().isResource()) && !resource2Statements.containsKey(st.getObject())) {
fillMap(st.getObject().asResource(), model, resource2Statements);
}
}
}
public List<ReMSerialisation> getReMSerialisations() throws OREException {
try {
List<ReMSerialisation> serialisations = new ArrayList<ReMSerialisation>();
StmtIterator itr = res.listProperties(ORE.isDescribedBy);
while (itr.hasNext()) {
Statement statement = itr.nextStatement();
Resource resource = (Resource) statement.getObject();
StmtIterator itr2 = resource.listProperties(DC.format);
StmtIterator itr3 = resource.listProperties(OREX.isAuthoritativeFor);
String mime = "application/octet-stream";
if (itr2.hasNext()) {
Statement stmt = itr2.nextStatement();
mime = ((Literal) stmt.getObject()).getLexicalForm();
}
boolean authoritative = false;
if (itr3.hasNext()) {
authoritative = true;
}
ReMSerialisation serialisation = new ReMSerialisation(mime, new URI(resource.getURI()));
serialisation.setAuthoritative(authoritative);
serialisations.add(serialisation);
}
return serialisations;
} catch (URISyntaxException e) {
throw new OREException(e);
}
}
@Override
public int compare(Statement s1, Statement s2) {
return ComparisonChain.start()
.compare(s1.getPredicate().asNode(), s2.getPredicate().asNode(), nodeComparator)
.compare(s1.getObject().asNode(), s2.getObject().asNode(), nodeComparator)
.result();
}
private String getTemplate(Individual ind, OntModel displayOntModel) {
if (ind == null) return "defaultBody";
// check vitroDisplay:requiresBodyTemplate
displayOntModel.enterCriticalSection(Model.READ);
StmtIterator it =
displayOntModel.listStatements(
ind, DisplayVocabulary.REQUIRES_BODY_TEMPLATE, (RDFNode) null);
// NodeIterator it = ind.listPropertyValues(DisplayVocabulary.REQUIRES_BODY_TEMPLATE);
try {
while (it.hasNext()) {
Statement stmt = it.nextStatement();
if (stmt.getObject().isLiteral()) {
String template = ((Literal) stmt.getObject().as(Literal.class)).getLexicalForm();
if (template != null && template.length() > 0) {
return template;
}
}
}
} finally {
it.close();
displayOntModel.leaveCriticalSection();
}
return "defaultBody";
}
@Test
public void testChildren() throws RepositoryException {
when(mockRes1.getPath()).thenReturn(RDF_PATH + "/res1");
when(mockRes2.getPath()).thenReturn(RDF_PATH + "/res2");
when(mockRes3.getPath()).thenReturn(RDF_PATH + "/res3");
when(mockResourceNode.hasNodes()).thenReturn(true);
final Stream<FedoraResource> first = of(mockRes1, mockRes2, mockRes3);
final Stream<FedoraResource> second = of(mockRes1, mockRes2, mockRes3);
when(mockResource.getChildren()).thenReturn(first).thenReturn(second);
try (final ChildrenRdfContext context = new ChildrenRdfContext(mockResource, idTranslator)) {
final Model results = context.collect(toModel());
final Resource subject = idTranslator.reverse().convert(mockResource);
final StmtIterator stmts =
results.listStatements(subject, RdfLexicon.HAS_CHILD_COUNT, (RDFNode) null);
assertTrue("There should have been a statement!", stmts.hasNext());
final Statement stmt = stmts.nextStatement();
assertTrue("Object should be a literal! " + stmt.getObject(), stmt.getObject().isLiteral());
assertEquals(3, stmt.getInt());
assertFalse("There should not have been a second statement!", stmts.hasNext());
}
}
public Alignment buildAlignment(
Statement stmt, AlignmentType alignmentType, ThesaurusConcept concept) {
logger.debug("Building alignment " + stmt.getObject().toString());
Alignment alignment = new Alignment();
alignment.setIdentifier(generatorService.generate(Alignment.class));
alignment.setAlignmentType(alignmentType);
alignment.setAndRelation(false);
alignment.setCreated(concept.getCreated());
alignment.setModified(concept.getModified());
alignment.setSourceConcept(concept);
if (alignmentType.isResource()) {
Set<AlignmentResource> targetResources = new HashSet<AlignmentResource>();
AlignmentResource targetResource = new AlignmentResource();
String externalTargetResource = stmt.getObject().toString();
targetResource.setAlignment(alignment);
targetResource.setExternalTargetResource(externalTargetResource);
targetResources.add(targetResource);
alignment.setTargetResources(targetResources);
} else {
Set<AlignmentConcept> targetConcepts = new HashSet<AlignmentConcept>();
AlignmentConcept targetConcept = new AlignmentConcept();
targetConcept.setAlignment(alignment);
String targetConceptId = stmt.getObject().toString();
ThesaurusConcept internalTargetConcept =
thesaurusConceptService.getThesaurusConceptById(targetConceptId);
if (internalTargetConcept != null) {
targetConcept.setInternalTargetConcept(internalTargetConcept);
alignment.setInternalTargetThesaurus(internalTargetConcept.getThesaurus());
} else {
// Check if the concept has an ark indentifier.
Matcher arkMt = arkPt.matcher(targetConceptId);
Matcher urlMt = urlPt.matcher(targetConceptId);
if (arkMt.find()) {
setExternalThesaurus(alignment, arkMt.group());
} else if (urlMt.find()) {
setExternalThesaurus(alignment, urlMt.group());
}
targetConcept.setExternalTargetConcept(targetConceptId);
}
targetConcepts.add(targetConcept);
alignment.setTargetConcepts(targetConcepts);
}
return alignment;
}
public DataPropertyStatement(OWLObject<?> subject, Statement s) {
super(subject, s);
property = getOntology().getDataProperty(s.getPredicate().getURI());
if (s.getObject() instanceof Literal) {
literal = (Literal) s.getObject();
} else {
logger.warning("DataPropertyStatement: object is not a Literal !");
}
}
public void addedStatement(com.hp.hpl.jena.rdf.model.Statement stmt) {
if (stmt.getPredicate().equals(hasContextProperty)) {
if (!stmt.getObject().canAs(com.hp.hpl.jena.rdf.model.Resource.class)) return;
com.hp.hpl.jena.rdf.model.Resource resource =
(com.hp.hpl.jena.rdf.model.Resource)
stmt.getObject().as(com.hp.hpl.jena.rdf.model.Resource.class);
hasContext = null;
if (true) { // don't check resource type if the property range is Resource
try {
hasContext =
ibspan.tss.um.ontology.UserModellingFactory.getUserBehaviourContext(resource, _model);
} catch (JastorException e) {
// e.printStackTrace();
}
}
if (listeners != null) {
java.util.ArrayList consumers;
synchronized (listeners) {
consumers = (java.util.ArrayList) listeners.clone();
}
for (java.util.Iterator iter = consumers.iterator(); iter.hasNext(); ) {
ExtendedUserBehaviourListener listener = (ExtendedUserBehaviourListener) iter.next();
listener.hasContextChanged(ibspan.tss.um.ontology.ExtendedUserBehaviourImpl.this);
}
}
return;
}
if (stmt.getPredicate().equals(hasUserBehaviourProperty)) {
if (!stmt.getObject().canAs(com.hp.hpl.jena.rdf.model.Resource.class)) return;
com.hp.hpl.jena.rdf.model.Resource resource =
(com.hp.hpl.jena.rdf.model.Resource)
stmt.getObject().as(com.hp.hpl.jena.rdf.model.Resource.class);
hasUserBehaviour = null;
if (true) { // don't check resource type if the property range is Resource
try {
hasUserBehaviour =
ibspan.tss.um.ontology.UserModellingFactory.getUserBehaviour(resource, _model);
} catch (JastorException e) {
// e.printStackTrace();
}
}
if (listeners != null) {
java.util.ArrayList consumers;
synchronized (listeners) {
consumers = (java.util.ArrayList) listeners.clone();
}
for (java.util.Iterator iter = consumers.iterator(); iter.hasNext(); ) {
ExtendedUserBehaviourListener listener = (ExtendedUserBehaviourListener) iter.next();
listener.hasUserBehaviourChanged(ibspan.tss.um.ontology.ExtendedUserBehaviourImpl.this);
}
}
return;
}
}
protected List<String> doObjectPropertyStmt(Statement stmt) {
// Only need to consider the object since the subject
// will already be updated in search index as part of
// SearchReindexingListener.
// Also, context nodes are not handled here. They are
// taken care of in AdditionalURIsForContextNodex.
if (stmt.getObject().isURIResource())
return Collections.singletonList(stmt.getObject().as(Resource.class).getURI());
else return Collections.emptyList();
}
public void doCleanLiterals(Model model) {
Model retractionsModel = ModelFactory.createDefaultModel();
Model additionsModel = ModelFactory.createDefaultModel();
model.enterCriticalSection(Lock.WRITE);
try {
ClosableIterator<Statement> closeIt = model.listStatements();
try {
for (Iterator<Statement> stmtIt = closeIt; stmtIt.hasNext(); ) {
Statement stmt = stmtIt.next();
if (stmt.getObject().isLiteral()) {
Literal lit = (Literal) stmt.getObject();
String lex = lit.getLexicalForm();
char[] chars = lex.toCharArray();
char[] cleanChars = new char[chars.length];
int cleanPos = 0;
boolean badChar = false;
for (int i = 0; i < chars.length; i++) {
if (java.lang.Character.getNumericValue(chars[i]) > 31
&& java.lang.Character.isDefined(chars[i])) {
cleanChars[cleanPos] = chars[i];
cleanPos++;
} else {
log.error("Bad char in " + lex);
log.error("Numeric value " + java.lang.Character.getNumericValue(chars[i]));
badChar = true;
}
}
String cleanLex = new String(cleanChars);
if (badChar) {
retractionsModel.add(stmt);
Literal newLit = null;
if (lit.getLanguage() != null && lit.getLanguage().length() > 0) {
newLit = additionsModel.createLiteral(cleanLex, lit.getLanguage());
} else if (lit.getDatatype() != null) {
newLit = additionsModel.createTypedLiteral(cleanLex, lit.getDatatype());
} else {
newLit = additionsModel.createLiteral(cleanLex);
}
additionsModel.add(stmt.getSubject(), stmt.getPredicate(), newLit);
}
}
}
} finally {
closeIt.close();
}
model.remove(retractionsModel);
model.add(additionsModel);
log.debug("Cleaned " + additionsModel.size() + " literals");
} finally {
model.leaveCriticalSection();
}
}
@Override
public Iterable<Edge> getEdges() {
final Set<Edge> edges = new HashSet<Edge>();
final StmtIterator statements = model.listStatements();
while (statements.hasNext()) {
final Statement statement = statements.next();
final Property predicate = statement.getPredicate();
if (statement.getSubject().isResource() && statement.getObject().isResource()) {
edges.add(new JenaEdge(model, predicate, statement.getSubject(), statement.getObject()));
}
}
return edges;
}
protected Set<ValueFactory> getValueFactory(RDFNode valueNode, OntModel displayOntModel) {
// maybe use jenabean or owl2java for this?
if (valueNode.isResource()) {
Resource res = (Resource) valueNode.as(Resource.class);
Statement stmt = res.getProperty(DisplayVocabulary.JAVA_CLASS_NAME);
if (stmt == null || !stmt.getObject().isLiteral()) {
log.debug("Cannot build value factory: java class was " + stmt.getObject());
return Collections.emptySet();
}
String javaClassName = ((Literal) stmt.getObject().as(Literal.class)).getLexicalForm();
if (javaClassName == null || javaClassName.length() == 0) {
log.debug("Cannot build value factory: no java class was set.");
return Collections.emptySet();
}
Class<?> clazz;
Object newObj;
try {
clazz = Class.forName(javaClassName);
} catch (ClassNotFoundException e) {
log.debug("Cannot build value factory: no class found for " + javaClassName);
return Collections.emptySet();
}
try {
newObj = clazz.newInstance();
} catch (Exception e) {
log.debug(
"Cannot build value factory: exception while creating object of java class "
+ javaClassName
+ " "
+ e.getMessage());
return Collections.emptySet();
}
if (newObj instanceof ValueFactory) {
ValueFactory valueFactory = (ValueFactory) newObj;
return Collections.singleton(valueFactory);
} else {
log.debug(
"Cannot build value factory: "
+ javaClassName
+ " does not implement "
+ ValueFactory.class.getName());
return Collections.emptySet();
}
} else {
log.debug("Cannot build value factory for " + valueNode);
return Collections.emptySet();
}
}
public List<DataPropertyStatement> getDataPropertyStatements(
DataProperty dp, int startIndex, int endIndex) {
getOntModel().enterCriticalSection(Lock.READ);
List<DataPropertyStatement> dpss = new ArrayList<DataPropertyStatement>();
try {
Property prop = ResourceFactory.createProperty(dp.getURI());
ClosableIterator dpsIt = getOntModel().listStatements(null, prop, (Literal) null);
try {
int count = 0;
while ((dpsIt.hasNext()) && ((endIndex < 0) || (count < endIndex))) {
++count;
Statement stmt = (Statement) dpsIt.next();
if (startIndex < 0 || startIndex <= count) {
Literal lit = (Literal) stmt.getObject();
DataPropertyStatement dps = new DataPropertyStatementImpl();
dps.setDatapropURI(dp.getURI());
dps.setIndividualURI(stmt.getSubject().getURI());
fillDataPropertyStatementWithJenaLiteral(dps, lit);
dpss.add(dps);
}
}
} finally {
dpsIt.close();
}
} finally {
getOntModel().leaveCriticalSection();
}
return dpss;
}
private void writeTriple(Statement stmt) throws IOException {
write(" <triple>\n");
writeNode(stmt.getSubject());
writeNode(stmt.getPredicate());
writeNode(stmt.getObject());
write(" </triple>\n");
}
public ibspan.tss.um.ontology.UserBehaviourContext getHasContext() throws JastorException {
if (hasContext != null) return hasContext;
com.hp.hpl.jena.rdf.model.Statement stmt = _model.getProperty(_resource, hasContextProperty);
if (stmt == null) return null;
if (!stmt.getObject().canAs(com.hp.hpl.jena.rdf.model.Resource.class))
throw new JastorInvalidRDFNodeException(
uri()
+ ": hasContext getProperty() in ibspan.tss.um.ontology.ExtendedUserBehaviour model not Resource",
stmt.getObject());
com.hp.hpl.jena.rdf.model.Resource resource =
(com.hp.hpl.jena.rdf.model.Resource)
stmt.getObject().as(com.hp.hpl.jena.rdf.model.Resource.class);
hasContext =
ibspan.tss.um.ontology.UserModellingFactory.getUserBehaviourContext(resource, _model);
return hasContext;
}
@Override
public Edge getEdge(final Object id) {
final String[] keys = id.toString().split("->");
final StmtIterator statements =
model.listStatements(
new SimpleSelector() {
@Override
public boolean selects(final Statement s) {
if (s.getObject().isResource()
&& s.getSubject().isResource()
&& s.getSubject().asResource().getURI().equals(keys[0])
&& s.getPredicate().asResource().getURI().equals(keys[1])
&& s.getObject().asResource().getURI().equals(keys[2])) {
return true;
}
return false;
}
});
JenaEdge edge = null;
if (statements.hasNext()) {
final Statement statement = statements.next();
final Property predicate = statement.getPredicate();
edge = new JenaEdge(model, predicate, statement.getSubject(), statement.getObject());
}
return edge;
}
@Override
public List<String> findAdditionalURIsToIndex(Statement stmt) {
if (stmt == null) return Collections.emptyList();
if (stmt.getObject().isLiteral()) return doDataPropertyStmt(stmt);
else return doObjectPropertyStmt(stmt);
}
private static boolean hasPermission(
String userPrefix, String username, String uri, Property[] permissions) {
Set<Property> permissionSet = new HashSet<Property>();
Resource resource = configModel.createResource(uri);
Resource user;
if (username == null) user = PERM.Public;
else user = configModel.createResource(userPrefix + username);
for (Property permission : permissions) {
if (configModel.contains(user, permission, resource)) return true;
permissionSet.add(permission);
}
StmtIterator stmts = user.listProperties();
while (stmts.hasNext()) {
Statement stmt = stmts.next();
if (!permissionSet.contains(stmt.getPredicate())) continue;
RDFNode resourceMatch = stmt.getObject();
if (!(resourceMatch.isResource()
&& configModel.contains((Resource) resourceMatch, RDF.type, PERM.ResourceMatch)))
continue;
RDFNode matchRegex = ((Resource) resourceMatch).getProperty(PERM.matchExpression).getObject();
if (matchRegex == null || !matchRegex.isLiteral()) continue;
try {
if (uri.matches(((Literal) matchRegex).getString())) return true;
} catch (PatternSyntaxException e) {
}
}
if (username != null) return hasPermission(userPrefix, null, uri, permissions);
else return false;
}
Map<String, Object> getValues(
Individual ind,
OntModel displayOntModel,
OntModel assertionModel,
Map<String, Object> baseValues) {
if (ind == null) return Collections.emptyMap();
/* Figure out what ValueFactories are specified in the display ontology for this individual. */
Set<ValueFactory> valueFactories = new HashSet<ValueFactory>();
displayOntModel.enterCriticalSection(Model.READ);
StmtIterator stmts = ind.listProperties(DisplayVocabulary.REQUIRES_VALUES);
try {
while (stmts.hasNext()) {
Statement stmt = stmts.nextStatement();
RDFNode obj = stmt.getObject();
valueFactories.addAll(getValueFactory(obj, displayOntModel));
}
} finally {
stmts.close();
displayOntModel.leaveCriticalSection();
}
/* Get values from the ValueFactories. */
HashMap<String, Object> values = new HashMap<String, Object>();
values.putAll(baseValues);
for (ValueFactory vf : valueFactories) {
values.putAll(vf.getValues(assertionModel, values));
}
return values;
}
@Override
public void remove() {
if (stmt == null) throw new NoSuchElementException();
((ContainerI) seq).remove(index - numDeleted, stmt.getObject());
stmt = null;
numDeleted++;
}
private void changeNsUri(String from, String to) {
/*
* o Change all usages of URI 'from' to 'to'
* o Set the prefix of 'from' to be that of 'to'
*/
Model toAdd = ModelFactory.createDefaultModel();
Model toDel = ModelFactory.createDefaultModel();
Resource newUri = output.createResource(to);
StmtIterator it = output.listStatements(output.createResource(from), null, (RDFNode) null);
while (it.hasNext()) {
Statement curr = it.nextStatement();
toDel.add(curr);
toAdd.add(newUri, curr.getPredicate(), curr.getObject());
}
it = output.listStatements(null, null, output.createResource(from));
while (it.hasNext()) {
Statement curr = it.nextStatement();
toDel.add(curr);
toAdd.add(curr.getSubject(), curr.getPredicate(), newUri);
}
output.remove(toDel);
output.add(toAdd);
String prefix = output.getNsURIPrefix(from);
output.setNsPrefix(prefix, to);
}
public Individual fillExistingDataPropertyStatementsForIndividual(
Individual entity /*, boolean allowAnyNameSpace*/) {
if (entity.getURI() == null) {
return entity;
} else {
OntModel ontModel = getOntModelSelector().getABoxModel();
ontModel.enterCriticalSection(Lock.READ);
try {
Resource ind = ontModel.getResource(entity.getURI());
List<DataPropertyStatement> edList = new ArrayList<DataPropertyStatement>();
StmtIterator stmtIt = ind.listProperties();
while (stmtIt.hasNext()) {
Statement st = (Statement) stmtIt.next();
boolean addToList = /*allowAnyNameSpace ? st.getObject().canAs(Literal.class) :*/
st.getObject().isLiteral()
&& ((RDF.value.equals(st.getPredicate())
|| VitroVocabulary.value.equals(st.getPredicate().getURI()))
|| !(NONUSER_NAMESPACES.contains(st.getPredicate().getNameSpace())));
if (addToList) {
/* now want to expose Cornellemailnetid and potentially other properties so can at least control whether visible
boolean isExternalId = false;
ClosableIterator externalIdStmtIt = getOntModel().listStatements(st.getPredicate(), DATAPROPERTY_ISEXTERNALID, (Literal)null);
try {
if (externalIdStmtIt.hasNext()) {
isExternalId = true;
}
} finally {
externalIdStmtIt.close();
}
if (!isExternalId) { */
DataPropertyStatement ed = new DataPropertyStatementImpl();
Literal lit = (Literal) st.getObject();
fillDataPropertyStatementWithJenaLiteral(ed, lit);
ed.setDatapropURI(st.getPredicate().getURI());
ed.setIndividualURI(ind.getURI());
ed.setIndividual(entity);
edList.add(ed);
/* } */
}
}
entity.setDataPropertyStatements(edList);
return entity;
} finally {
ontModel.leaveCriticalSection();
}
}
}
/**
* purgeRelationship should be idempotent with respect to the returned HTTP status code. The
* response body however, should indicate "false" for successive deletes of the same resource.
*
* @throws Exception
*/
@Test
public void testIdempotency() throws Exception {
FedoraResponse response = null;
Model model = null;
Statement s = null;
String subject = String.format("info:fedora/%s", testPid);
String predicate = "urn:foo/p";
String object = "你好";
// first add a relationship
response = addRelationship(testPid).predicate(predicate).object(object, true).execute();
assertEquals(200, response.getStatus());
// verify it was added
response = getRelationships(testPid).predicate(predicate).execute();
assertEquals(200, response.getStatus());
model = ModelFactory.createDefaultModel();
model.read(response.getEntityInputStream(), null, FileUtils.langXML);
StmtIterator it = model.listStatements();
while (it.hasNext()) {
s = it.next();
assertEquals(subject, s.getSubject().toString());
assertEquals(predicate, s.getPredicate().toString());
assertEquals(object, s.getObject().toString());
}
// now delete it
response = purgeRelationship(testPid).predicate(predicate).object(object, true).execute();
assertEquals(200, response.getStatus());
assertEquals("true", response.getEntity(String.class));
// verify it's gone
response = getRelationships(testPid).predicate(predicate).execute();
assertEquals(200, response.getStatus());
model = ModelFactory.createDefaultModel();
model.read(response.getEntityInputStream(), null, FileUtils.langXML);
it = model.listStatements();
while (it.hasNext()) {
s = it.next();
assertFalse(predicate.equals(s.getPredicate().toString()));
assertFalse(object.equals(s.getObject().toString()));
}
response = purgeRelationship(testPid).predicate(predicate).object(object, true).execute();
assertEquals(200, response.getStatus());
assertEquals("false", response.getEntity(String.class));
}
@Override
public void indexStatement(Statement s) {
if (!indexThisStatement(s)) return;
try {
Node subject = s.getSubject().asNode();
if (!s.getObject().isLiteral() || !LARQ.isString(s.getLiteral())) return;
Node object = s.getObject().asNode();
// Note: if a subject occurs twice with an indexable string,
// there will be two hits later.
index.index(subject, object.getLiteralLexicalForm());
} catch (Exception e) {
throw new ARQLuceneException("indexStatement", e);
}
}
private String renderStatement(Statement stmt) {
String subjStr =
(stmt.getSubject().getURI() != null)
? stmt.getSubject().getURI()
: stmt.getSubject().getId().toString();
String predStr = stmt.getPredicate().getURI();
String objStr = "";
RDFNode obj = stmt.getObject();
if (obj.isLiteral()) {
objStr = "\"" + (((Literal) obj).getLexicalForm());
} else {
objStr =
(((Resource) stmt.getObject()).getURI() != null)
? ((Resource) stmt.getObject()).getURI()
: ((Resource) stmt.getObject()).getId().toString();
}
return (subjStr + " : " + predStr + " : " + objStr);
}
private static void doStatement(StringBuffer json, Statement statement) {
json.append("{\n \"s\": ");
doNode(json, statement.getSubject());
json.append(",\n \"p\": ");
doNode(json, statement.getPredicate());
json.append(",\n \"o\": ");
doNode(json, statement.getObject());
json.append("}");
}
@Override
public List<Entity> getEntities(String text) {
List<Entity> list = new ArrayList<>();
try {
String foxJSONOutput = doTASK(text);
JSONParser parser = new JSONParser();
JSONArray jsonArray = (JSONArray) parser.parse(foxJSONOutput);
String output =
URLDecoder.decode((String) ((JSONObject) jsonArray.get(0)).get("output"), "UTF-8");
String baseURI = "http://dbpedia.org";
Model model = ModelFactory.createDefaultModel();
RDFReader r = model.getReader("N3");
r.read(model, new StringReader(output), baseURI);
ResIterator iter = model.listSubjects();
while (iter.hasNext()) {
Resource next = iter.next();
StmtIterator statementIter = next.listProperties();
Entity ent = new Entity();
while (statementIter.hasNext()) {
Statement statement = statementIter.next();
String predicateURI = statement.getPredicate().getURI();
if (predicateURI.equals("http://www.w3.org/2000/10/annotation-ns#body")) {
ent.label = statement.getObject().asLiteral().getString();
} else if (predicateURI.equals("http://ns.aksw.org/scms/means")) {
String uri = statement.getObject().asResource().getURI();
String encode = uri.replaceAll(",", "%2C");
ent.URI = encode;
} else if (predicateURI.equals("http://ns.aksw.org/scms/beginIndex")) {
ent.start = statement.getObject().asLiteral().getInt();
} else if (predicateURI.equals("http://ns.aksw.org/scms/endIndex")) {
ent.end = statement.getObject().asLiteral().getInt();
}
}
list.add(ent);
}
} catch (IOException | ParseException e) {
log.error("Could not call FOX for NER/NED", e);
}
return list;
}
public Collection<DataPropertyStatement> getDataPropertyStatementsForIndividualByDataPropertyURI(
Individual entity, String datapropURI) {
Collection<DataPropertyStatement> edList = new ArrayList<DataPropertyStatement>();
if (entity.getURI() == null) {
return edList;
}
try {
getOntModel().enterCriticalSection(Lock.READ);
OntResource ontRes =
(VitroVocabulary.PSEUDO_BNODE_NS.equals(entity.getNamespace()))
? (OntResource)
getOntModel()
.createResource(new AnonId(entity.getLocalName()))
.as(OntResource.class)
: getOntModel().getOntResource(entity.getURI());
if (ontRes == null) {
return edList;
}
ClosableIterator stmtIt;
stmtIt =
(datapropURI != null)
? ontRes.listProperties(getOntModel().getProperty(datapropURI))
: ontRes.listProperties();
try {
while (stmtIt.hasNext()) {
Statement st = (Statement) stmtIt.next();
if (st.getObject().isLiteral()) {
DataPropertyStatement ed = new DataPropertyStatementImpl();
Literal lit = (Literal) st.getObject();
fillDataPropertyStatementWithJenaLiteral(ed, lit);
ed.setIndividualURI(entity.getURI());
ed.setIndividual(entity);
ed.setDatapropURI(st.getPredicate().getURI());
edList.add(ed);
}
}
} finally {
stmtIt.close();
}
} finally {
getOntModel().leaveCriticalSection();
}
return edList;
}
public void testFindObject() {
StmtIterator iter = model.listStatements(new SimpleSelector(null, null, RDFS.Resource));
int i = 0;
while (iter.hasNext()) {
i++;
Statement stmt = iter.nextStatement();
assertEquals(RDFS.Resource, stmt.getObject());
}
assertEquals(2, i);
}
