protected DataPropertyStatement fillDataPropertyStatementWithJenaLiteral(
DataPropertyStatement dataPropertyStatement, Literal l) {
dataPropertyStatement.setData(l.getLexicalForm());
dataPropertyStatement.setDatatypeURI(l.getDatatypeURI());
dataPropertyStatement.setLanguage(l.getLanguage());
return dataPropertyStatement;
}
public static Method create(QuerySolution qs) throws Exception {
Resource id = (Resource) qs.get("x");
Literal fullPath = (Literal) qs.get("fullPath");
Literal name = (Literal) qs.get("name");
Literal accessModifier = (Literal) qs.get("accessModifier");
Literal lineStart = (Literal) qs.get("line_start");
Literal lineEnd = (Literal) qs.get("line_end");
Resource returnType = (Resource) qs.get("returnType");
Resource hasParameter = (Resource) qs.get("hasParameter");
Resource throwsException = (Resource) qs.get("throwsException");
Resource belongsTo = (Resource) qs.get("belongsTo");
Method meth = new Method(id.toString(), name.getValue().toString());
meth.setAccessModifier(accessModifier.getValue().toString());
meth.setFullPath(fullPath.getValue().toString());
meth.setLineStart(lineStart.getInt());
meth.setLineEnd(lineEnd.getInt());
meth.setReturnType(returnType.toString());
if (hasParameter != null) {
meth.setHasParameter(hasParameter.toString());
}
if (throwsException != null) {
meth.setThrowsException(throwsException.toString());
}
meth.setBelongsTo(belongsTo.toString());
return meth;
}
/**
* Query SPARQL endpoint with a SELECT query
*
* @param qExec QueryExecution encapsulating the query
* @return model retrieved by querying the endpoint
*/
private Model getSelectModel(QueryExecution qExec) {
Model model = ModelFactory.createDefaultModel();
Graph graph = model.getGraph();
ResultSet results = qExec.execSelect();
while (results.hasNext()) {
QuerySolution sol = results.next();
String subject;
String predicate;
RDFNode object;
try {
subject = sol.getResource("s").toString();
predicate = sol.getResource("p").toString();
object = sol.get("o");
} catch (NoSuchElementException e) {
logger.error("SELECT query does not return a (?s ?p ?o) Triple");
continue;
}
Node objNode;
if (object.isLiteral()) {
Literal obj = object.asLiteral();
objNode = NodeFactory.createLiteral(obj.getString(), obj.getDatatype());
} else {
objNode = NodeFactory.createLiteral(object.toString());
}
graph.add(
new Triple(NodeFactory.createURI(subject), NodeFactory.createURI(predicate), objNode));
}
return model;
}
/**
* Converts a JENA API Literal object into an OWL API OWLLiteral object.
*
* @param lit
* @return
*/
protected OWLLiteral convertLiteral(Literal lit) {
String datatypeURI = lit.getDatatypeURI();
OWLLiteral owlLiteral;
if (datatypeURI == null) { // rdf:PlainLiteral
owlLiteral = df.getOWLLiteral(lit.getLexicalForm(), lit.getLanguage());
} else {
owlLiteral =
df.getOWLLiteral(lit.getLexicalForm(), df.getOWLDatatype(IRI.create(datatypeURI)));
}
return owlLiteral;
}
private URL getURL(Literal literalURL) {
URL url = null;
try {
url = new URL(literalURL.getString());
} catch (Exception e) {
e.printStackTrace();
}
return url;
}
public int[] getSourceColumns(Resource resource) {
if (_model.contains(resource, Vertere.source_column)) {
Statement sourceColumn = _model.getProperty(resource, Vertere.source_column);
return new int[] {sourceColumn.getInt()};
} else if (_model.contains(resource, Vertere.source_columns)) {
Statement sourceColumns = _model.getProperty(resource, Vertere.source_columns);
Resource listResource = sourceColumns.getResource();
RDFList list = listResource.as(RDFList.class);
List<RDFNode> javalist = list.asJavaList();
int[] sourceColumnNumbers = new int[javalist.size()];
for (int i = 0; i < javalist.size(); i++) {
RDFNode node = javalist.get(i);
Literal value = node.asLiteral();
sourceColumnNumbers[i] = value.getInt();
}
return sourceColumnNumbers;
} else {
return new int[0];
}
}
@Test
public void shouldSortTriplesForDisplay() {
final Model model = createDefaultModel();
model.setNsPrefix("prefix", "namespace");
final Property propertyA = model.createProperty("namespace", "a");
final Property propertyB = model.createProperty("namespace", "b");
final Property propertyC = model.createProperty("c");
final Literal literalA = model.createLiteral("a");
final Literal literalB = model.createLiteral("b");
final Resource resourceB = model.createResource("b");
model.add(resourceB, propertyA, literalA);
final Resource a = model.createResource("a");
model.add(a, propertyC, literalA);
model.add(a, propertyB, literalA);
model.add(a, propertyA, literalA);
model.add(a, propertyA, literalB);
final Iterator<Quad> iterator = DatasetFactory.create(model).asDatasetGraph().find();
final List<Quad> sortedTriples = testObj.getSortedTriples(model, iterator);
sortedTriples.get(0).matches(ANY, a.asNode(), propertyA.asNode(), literalA.asNode());
sortedTriples.get(1).matches(ANY, a.asNode(), propertyA.asNode(), literalB.asNode());
sortedTriples.get(2).matches(ANY, a.asNode(), propertyB.asNode(), literalA.asNode());
sortedTriples.get(3).matches(ANY, a.asNode(), propertyC.asNode(), literalA.asNode());
sortedTriples.get(4).matches(ANY, resourceB.asNode(), propertyC.asNode(), literalA.asNode());
}
private boolean checkAlreadyAgreed() {
// System.err.println(license);
if (license.exists() && user != null && !user.equals("")) {
try {
model.read(new FileInputStream(license), null);
QueryExecution qexec = QueryExecutionFactory.create(queryString, model);
try {
ResultSet results = qexec.execSelect();
while (results.hasNext()) {
QuerySolution soln = results.nextSolution();
try {
Literal u = soln.getLiteral("user");
// System.err.println("user: "******"software");
// System.err.println("software: "+s);
Calendar d = ((XSDDateTime) soln.getLiteral("date").getValue()).asCalendar();
// System.err.println("date: "+d);
if (u.getString().equals(user)
&& s.getString().equals(software)
&& d.before(Calendar.getInstance())) {
return true;
}
} catch (JenaException e) {
// ignore
} catch (ClassCastException e) {
System.err.println(e.getMessage());
}
}
} finally {
qexec.close();
}
} catch (FileNotFoundException e) {
}
}
return false;
}
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();
}
}
public void teste() {
// String name = this.getName();
String title = "";
String service = "http://dblp.rkbexplorer.com/sparql";
String query =
"PREFIX akt: <http://www.aktors.org/ontology/portal#> "
+ "PREFIX akt: <http://www.aktors.org/ontology/portal#> "
+ " SELECT DISTINCT ?name ?title "
+ " WHERE "
+ " { "
+ " ?auth akt:full-name "
+ "\""
+ nameAuthorField
+ "\""
+ " . "
+ " ?pub a akt:Publication-Reference ;"
+ " akt:has-title ?title ;"
+ " akt:has-author ?auth ."
+ " } ";
QueryExecution queryExecution = QueryExecutionFactory.sparqlService(service, query);
try {
ResultSet results = queryExecution.execSelect();
while (results.hasNext()) {
QuerySolution querySolution = results.nextSolution();
// consume title
Literal literal = querySolution.getLiteral("title");
title = ("" + literal.getValue());
// add titulo a lista tituloPublicacao
this.tituloPublicacao.add(title);
}
} catch (QueryExceptionHTTP e) {
System.out.println(service + " is DOWN");
} finally {
queryExecution.close();
}
}
@Test
public void testInfoStamp() {
String versionString = "E3.14159", commentString = "gloopSmurfale";
String resourceString =
"_x eye:assumed 'ABC'; _x eye:checked 'DEF'; _x eye:version '%v'; _x eye:comment '%c'"
.replaceAll("%v", versionString)
.replaceAll("%c", commentString);
InfoStamp i = new InfoStamp(resourceInModel(resourceString));
Calendar now = Calendar.getInstance();
Resource root = i.stamp(now);
Model stamp = root.getModel();
Literal dateLiteral = ModelFactory.createDefaultModel().createTypedLiteral(now);
String dateString = "'" + dateLiteral.getLexicalForm() + "'" + dateLiteral.getDatatypeURI();
String expectedFormat =
"[eye:assumed 'ABC' & eye:checked 'DEF' & eye:dated <date>"
+ " & eye:comment '<comment>' & eye:version '<version>']";
String expectedString =
expectedFormat
.replaceAll("<date>", dateString)
.replaceAll("<version>", versionString)
.replaceAll("<comment>", commentString);
Model expected = model(expectedString);
assertIsoModels(expected, stamp);
}
/**
* Create a JCR value from an RDF node with the given JCR type
*
* @param valueFactory
* @param data
* @param type
* @return
* @throws RepositoryException
*/
public Value createValue(final ValueFactory valueFactory, final RDFNode data, final int type)
throws RepositoryException {
assert (valueFactory != null);
if (data.isURIResource() && (type == REFERENCE || type == WEAKREFERENCE)) {
// reference to another node (by path)
final Node nodeFromGraphSubject =
session.getNode(graphSubjects.getPathFromSubject(data.asResource()));
return valueFactory.createValue(nodeFromGraphSubject, type == WEAKREFERENCE);
} else if (data.isURIResource() || type == URI) {
// some random opaque URI
return valueFactory.createValue(data.toString(), PropertyType.URI);
} else if (data.isResource()) {
// a non-URI resource (e.g. a blank node)
return valueFactory.createValue(data.toString(), UNDEFINED);
} else if (data.isLiteral() && type == UNDEFINED) {
// the JCR schema doesn't know what this should be; so introspect
// the RDF and try to figure it out
final Literal literal = data.asLiteral();
final RDFDatatype dataType = literal.getDatatype();
final Object rdfValue = literal.getValue();
if (rdfValue instanceof Boolean) {
return valueFactory.createValue((Boolean) rdfValue);
} else if (rdfValue instanceof Byte
|| (dataType != null && dataType.getJavaClass() == Byte.class)) {
return valueFactory.createValue(literal.getByte());
} else if (rdfValue instanceof Double) {
return valueFactory.createValue((Double) rdfValue);
} else if (rdfValue instanceof Float) {
return valueFactory.createValue((Float) rdfValue);
} else if (rdfValue instanceof Long
|| (dataType != null && dataType.getJavaClass() == Long.class)) {
return valueFactory.createValue(literal.getLong());
} else if (rdfValue instanceof Short
|| (dataType != null && dataType.getJavaClass() == Short.class)) {
return valueFactory.createValue(literal.getShort());
} else if (rdfValue instanceof Integer) {
return valueFactory.createValue((Integer) rdfValue);
} else if (rdfValue instanceof XSDDateTime) {
return valueFactory.createValue(((XSDDateTime) rdfValue).asCalendar());
} else {
return valueFactory.createValue(literal.getString(), STRING);
}
} else {
LOGGER.debug("Using default JCR value creation for RDF literal: {}", data);
return valueFactory.createValue(data.asLiteral().getString(), type);
}
}
public String toString() {
return literal.getString();
}
@Override
public Model open(Assembler a, Resource root, Mode mode) {
Resource rootModel = getUniqueResource(root, BASE_MODEL);
if (rootModel == null) {
throw new AssemblerException(root, String.format(NO_X_PROVIDED, BASE_MODEL, root));
}
Model baseModel = a.openModel(rootModel, mode);
Literal modelName = getUniqueLiteral(root, JA.modelName);
if (modelName == null) {
throw new AssemblerException(root, String.format(NO_X_PROVIDED, JA.modelName, root));
}
Literal factoryName = getUniqueLiteral(root, EVALUATOR_FACTORY);
if (factoryName == null) {
throw new AssemblerException(root, String.format(NO_X_PROVIDED, EVALUATOR_FACTORY, root));
}
SecurityEvaluator securityEvaluator = null;
try {
Class<?> factoryClass = Class.forName(factoryName.getString());
Method method = factoryClass.getMethod("getInstance");
if (!SecurityEvaluator.class.isAssignableFrom(method.getReturnType())) {
throw new AssemblerException(
root,
String.format(
"%s (found at %s for %s) getInstance() must return an instance of SecurityEvaluator",
factoryName, EVALUATOR_FACTORY, root));
}
if (!Modifier.isStatic(method.getModifiers())) {
throw new AssemblerException(
root,
String.format(
"%s (found at %s for %s) getInstance() must be a static method",
factoryName, EVALUATOR_FACTORY, root));
}
securityEvaluator = (SecurityEvaluator) method.invoke(null);
} catch (SecurityException e) {
throw new AssemblerException(
root, String.format(ERROR_FINDING_FACTORY, factoryName, e.getMessage()), e);
} catch (IllegalArgumentException e) {
throw new AssemblerException(
root, String.format(ERROR_FINDING_FACTORY, factoryName, e.getMessage()), e);
} catch (ClassNotFoundException e) {
throw new AssemblerException(
root,
String.format(
"Class %s (found at %s for %s) could not be loaded",
factoryName, EVALUATOR_FACTORY, root));
} catch (NoSuchMethodException e) {
throw new AssemblerException(
root,
String.format(
"%s (found at %s for %s) must implement a static getInstance() that returns an instance of SecurityEvaluator",
factoryName, EVALUATOR_FACTORY, root));
} catch (IllegalAccessException e) {
throw new AssemblerException(
root, String.format(ERROR_FINDING_FACTORY, factoryName, e.getMessage()), e);
} catch (InvocationTargetException e) {
throw new AssemblerException(
root, String.format(ERROR_FINDING_FACTORY, factoryName, e.getMessage()), e);
}
return Factory.getInstance(securityEvaluator, modelName.asLiteral().getString(), baseModel);
}
/**
* Test that two literals are semantically equivalent. In some cases this may be the sames as
* equals, in others equals is stricter. For example, two xsd:int literals with the same value but
* different language tag are semantically equivalent but distinguished by the java equality
* function in order to support round tripping.
*/
public boolean sameValueAs(Literal other) {
return asNode().sameValueAs(other.asNode());
}
private static void doLang(StringBuffer json, Literal literal) {
String language = literal.getLanguage();
if (!language.equals("")) {
json.append(", \"xml:lang\": \"" + language + "\"");
}
}
private static void doDatatype(StringBuffer json, Literal literal) {
String datatype = literal.getDatatypeURI();
if (datatype != null) {
json.append(", \"datatype\": \"" + datatype + "\"");
}
}
public void doProcessStrings(VitroRequest vreq) {
try {
String className = vreq.getParameter("className");
String methodName = vreq.getParameter("methodName");
String propertyName = vreq.getParameter("propertyName");
String newPropertyName = vreq.getParameter("newPropertyName");
// for now, we'll make the destination and source models the same
Model destination = getModel(vreq.getParameter("destinationModelName"), vreq);
String processModel = vreq.getParameter("processModel");
Model savedAdditionsModel = null;
Model savedRetractionsModel = null;
String additionsModelStr = vreq.getParameter("additionsModel");
if ((additionsModelStr != null) && (additionsModelStr.length() > 0)) {
savedAdditionsModel = getModel(additionsModelStr, vreq);
}
String retractionsModelStr = vreq.getParameter("retractionsModel");
if ((retractionsModelStr != null) && (retractionsModelStr.length() > 0)) {
savedRetractionsModel = getModel(retractionsModelStr, vreq);
}
Model additionsModel = ModelFactory.createDefaultModel();
Model retractionsModel = ModelFactory.createDefaultModel();
Class<?> stringProcessorClass = Class.forName(className);
Object processor = stringProcessorClass.newInstance();
Class<?>[] methArgs = {String.class};
Method meth = stringProcessorClass.getMethod(methodName, methArgs);
Property prop = ResourceFactory.createProperty(propertyName);
Property newProp = ResourceFactory.createProperty(newPropertyName);
destination.enterCriticalSection(Lock.READ);
try {
ClosableIterator<Statement> closeIt =
destination.listStatements((Resource) null, prop, (RDFNode) null);
for (Iterator<Statement> stmtIt = closeIt; stmtIt.hasNext(); ) {
Statement stmt = stmtIt.next();
if (stmt.getObject().isLiteral()) {
Literal lit = (Literal) stmt.getObject();
String lex = lit.getLexicalForm();
Object[] args = {lex};
String newLex = "";
try {
newLex = (String) meth.invoke(processor, args);
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
}
if (!newLex.equals(lex)) {
retractionsModel.add(stmt);
if (newLex.length() > 0) {
Literal newLit = null;
if (lit.getLanguage() != null && lit.getLanguage().length() > 0) {
newLit = additionsModel.createLiteral(newLex, lit.getLanguage());
} else if (lit.getDatatype() != null) {
newLit = additionsModel.createTypedLiteral(newLex, lit.getDatatype());
} else {
newLit = additionsModel.createLiteral(newLex);
}
additionsModel.add(stmt.getSubject(), newProp, newLit);
}
}
}
}
if (processModel != null) {
destination.add(additionsModel);
destination.remove(retractionsModel);
}
if (savedAdditionsModel != null) {
savedAdditionsModel.add(additionsModel);
}
if (savedRetractionsModel != null) {
savedRetractionsModel.add(retractionsModel);
}
} finally {
destination.leaveCriticalSection();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void updateModel(
HttpServletRequest req,
HttpServletResponse resp,
Property[] permissions,
ModelUpdater modelUpdater)
throws ServletException, IOException {
Query query = getQuery(req, resp);
ServletContext context = getServletContext();
if (query == null) return;
if (performPermissionsCheck(context, query, resp, permissions)) return;
String uri = query.getURI();
AbstractSerializer as = serializer.get(query.getContentType());
if (as == null || !(as instanceof JenaSerializer)) {
resp.setStatus(
query.negotiatedContentType()
? HttpServletResponse.SC_BAD_REQUEST
: HttpServletResponse.SC_NOT_FOUND);
return;
}
Model model = ModelFactory.createDefaultModel();
model.read(req.getInputStream(), query.getURI(), ((JenaSerializer) as).getSerialization());
Model target = dataset.getNamedModel(uri);
Set<Statement> before = target.listStatements().toSet();
modelUpdater.updateModel(model, uri);
Set<Statement> after = target.listStatements().toSet();
Set<Statement> intersection = new HashSet<Statement>(before);
intersection.retainAll(after);
before.removeAll(intersection); // All those removed
after.removeAll(intersection); // All those added
Model changesetModel = ModelFactory.createDefaultModel();
Resource changeset = changesetModel.createResource();
Literal date =
changesetModel.createTypedLiteral(
dateFormat.format(new Date()), new BaseDatatype(XSD.date.getURI()));
changeset
.addProperty(Namespaces.rdf.p("type"), CS.ChangeSet)
.addProperty(Namespaces.dc.p("date"), date)
.addProperty(CS.subjectOfChange, changesetModel.createResource(query.getURI()))
.addProperty(DC.creator, query.getUser());
for (Statement statement : before)
changeset.addProperty(Namespaces.cs.p("removal"), statement.createReifiedStatement());
for (Statement statement : after)
changeset.addProperty(Namespaces.cs.p("addition"), statement.createReifiedStatement());
String filename = query.getURL().getPath() + "/" + date.getLexicalForm() + ".n3";
File file = new File(logDirectory, filename);
file.getParentFile().mkdirs();
FileWriter ow = new FileWriter(new File(logDirectory.getPath(), filename));
changesetModel.write(ow, "N3");
ow.close();
resp.setStatus(200);
}