private boolean isObsolete(Resource ctx) throws SailException {
CloseableIteration<? extends Statement, SailException> stmts;
stmts = super.getStatements(null, null, null, true, ctx);
try {
while (stmts.hasNext()) {
Statement st = stmts.next();
URI pred = st.getPredicate();
Value obj = st.getObject();
String ns = pred.getNamespace();
if (Audit.NAMESPACE.equals(ns) || PROV.equals(ns) || AUDIT_2012.equals(ns)) continue;
if (RDF.SUBJECT.equals(pred) || RDF.PREDICATE.equals(pred) || RDF.OBJECT.equals(pred))
continue;
if (RDF.TYPE.equals(pred) && obj instanceof URI) {
ns = ((URI) obj).getNamespace();
if (Audit.NAMESPACE.equals(ns)
|| PROV.equals(ns)
|| AUDIT_2012.equals(ns)
|| RDF.NAMESPACE.equals(ns)) continue;
}
return false;
}
} finally {
stmts.close();
}
return true;
}
/**
* Constant-valued term maps can be expressed more concisely using the constant shortcut
* properties rr:subject, rr:predicate, rr:object and rr:graph. Occurrances of these properties
* must be treated exactly as if the following triples were present in the mapping graph instead.
*
* @param r2rmlMappingGraph
*/
private static void replaceShortcuts(SesameDataSet r2rmlMappingGraph) {
Map<URI, URI> shortcutPredicates = new HashMap<URI, URI>();
shortcutPredicates.put(
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.SUBJECT),
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.SUBJECT_MAP));
shortcutPredicates.put(
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.PREDICATE),
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.PREDICATE_MAP));
shortcutPredicates.put(
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.OBJECT),
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.OBJECT_MAP));
shortcutPredicates.put(
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.GRAPH),
vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.GRAPH_MAP));
for (URI u : shortcutPredicates.keySet()) {
List<Statement> shortcutTriples = r2rmlMappingGraph.tuplePattern(null, u, null);
log.debug(
"[RMLMappingFactory:replaceShortcuts] Number of R2RML shortcuts found "
+ "for "
+ u.getLocalName()
+ " : "
+ shortcutTriples.size());
for (Statement shortcutTriple : shortcutTriples) {
r2rmlMappingGraph.remove(
shortcutTriple.getSubject(), shortcutTriple.getPredicate(), shortcutTriple.getObject());
BNode blankMap = vf.createBNode();
URI pMap = vf.createURI(shortcutPredicates.get(u).toString());
URI pConstant = vf.createURI(Vocab.R2RML_NAMESPACE + R2RMLTerm.CONSTANT);
r2rmlMappingGraph.add(shortcutTriple.getSubject(), pMap, blankMap);
r2rmlMappingGraph.add(blankMap, pConstant, shortcutTriple.getObject());
}
}
}
private Pair toPair(Edge e, Graph graph) {
URI predicate = e.getPredicate();
Value object = e.getObject();
String value = null;
if (object instanceof Literal) {
Literal literal = (Literal) object;
String language = literal.getLanguage();
URI type = literal.getDatatype();
if (type.equals(XMLSchema.STRING)) {
type = null;
}
StringBuilder builder = new StringBuilder();
builder.append('"');
builder.append(literal.getLabel());
builder.append('"');
if (language != null) {
builder.append('@');
builder.append(language);
} else if (type != null) {
builder.append('^');
builder.append(type.stringValue());
}
value = builder.toString();
} else if (object instanceof URI) {
value = object.stringValue();
} else {
Resource id = (Resource) object;
Vertex v = graph.getVertex(id);
value = createHash(predicate, v);
}
return new Pair(predicate, value);
}
public boolean matches(final Vertex vertex, final Value value) {
String kind = (String) vertex.getProperty(KIND);
String val = (String) vertex.getProperty(VALUE);
if (value instanceof URI) {
return kind.equals(URI) && val.equals(value.stringValue());
} else if (value instanceof Literal) {
if (kind.equals(LITERAL)) {
if (!val.equals(((Literal) value).getLabel())) {
return false;
}
String type = (String) vertex.getProperty(TYPE);
String lang = (String) vertex.getProperty(LANG);
URI vType = ((Literal) value).getDatatype();
String vLang = ((Literal) value).getLanguage();
return null == type && null == vType && null == lang && null == vLang
|| null != type && null != vType && type.equals(vType.stringValue())
|| null != lang && null != vLang && lang.equals(vLang);
} else {
return false;
}
} else if (value instanceof BNode) {
return kind.equals(BNODE) && ((BNode) value).getID().equals(val);
} else {
throw new IllegalStateException("value of unexpected kind: " + value);
}
}
private void upload(URI graphURI, Resource context) throws Exception {
RepositoryConnection con = dataRep.getConnection();
con.setAutoCommit(false);
try {
RDFFormat rdfFormat = Rio.getParserFormatForFileName(graphURI.toString(), RDFFormat.TURTLE);
RDFParser rdfParser = Rio.createParser(rdfFormat, dataRep.getValueFactory());
rdfParser.setVerifyData(false);
rdfParser.setDatatypeHandling(DatatypeHandling.IGNORE);
// rdfParser.setPreserveBNodeIDs(true);
RDFInserter rdfInserter = new RDFInserter(con);
rdfInserter.enforceContext(context);
rdfParser.setRDFHandler(rdfInserter);
URL graphURL = new URL(graphURI.toString());
InputStream in = graphURL.openStream();
try {
rdfParser.parse(in, graphURI.toString());
} finally {
in.close();
}
con.setAutoCommit(true);
} finally {
con.close();
}
}
@Override
public void handleStatement(Statement st) throws RDFHandlerException {
URI predicate = st.getPredicate();
if (!CORE.NS.equals(predicate.getNamespace()) || !predicate.getLocalName().equals("localId")) {
super.handleStatement(st);
}
}
/**
* Describe the vocabularies which are in use in the KB based on the predicate partition
* statistics.
*
* @param predicateParitionCounts The predicate partition statistics.
*/
protected void describeVocabularies(final IVCount[] predicatePartitionCounts) {
// Find the distinct vocabularies in use.
final Set<String> namespaces = new LinkedHashSet<String>();
{
// property partitions.
for (IVCount tmp : predicatePartitionCounts) {
final URI p = (URI) tmp.getValue();
String namespace = p.getNamespace();
if (namespace.endsWith("#")) {
// Strip trailing '#' per VoID specification.
namespace = namespace.substring(0, namespace.length() - 1);
}
namespaces.add(namespace);
}
}
// Sort into dictionary order.
final String[] a = namespaces.toArray(new String[namespaces.size()]);
Arrays.sort(a);
for (String namespace : a) {
g.add(aDataset, VoidVocabularyDecl.vocabulary, f.createURI(namespace));
}
}
/**
* Term constants for the DC music ontology
*
* @author Michael Grove
* @since 0.1
*/
public class MusicOntology extends Vocabulary {
public static final String ONT_URI = "http://purl.org/ontology/mo/";
private static MusicOntology INSTANCE = null;
private MusicOntology() {
super(ONT_URI);
}
public static MusicOntology ontology() {
if (INSTANCE == null) {
INSTANCE = new MusicOntology();
}
return INSTANCE;
}
// properties
public final URI track = term("track");
public final URI release_type = term("release_type");
public final URI release_status = term("release_status");
public final URI track_number = term("track_number");
public final URI length = term("length");
public final URI made = term("made");
public final URI musicbrainz = term("musicbrainz");
public final URI olga = term("olga");
public final URI genre = term("genre");
public final URI sample_rate = term("sample_rate");
public final URI bitsPerSample = term("bitsPerSample");
// cp properties
public final URI rating = term("rating");
public final URI albumRating = term("albumRating");
public final URI year = term("year");
public final URI location = term("location");
// classes
public final URI Genre = term("Genre");
public final URI Record = term("Record");
public final URI Track = term("Track");
public final URI MusicArtist = term("MusicArtist");
public final URI MusicGroup = term("MusicGroup");
// individuals
public final URI Metal = FACTORY.createURI(Genre.stringValue() + "/Metal");
public final URI Rock = FACTORY.createURI(Genre.stringValue() + "/Rock");
public final URI Alternative = FACTORY.createURI(Genre.stringValue() + "/Alternative");
public final URI Pop = FACTORY.createURI(Genre.stringValue() + "/Pop");
public final URI Punk = FACTORY.createURI(Genre.stringValue() + "/Punk");
public final URI Funk = FACTORY.createURI(Genre.stringValue() + "/Funk");
public final URI Soundtrack = FACTORY.createURI(Genre.stringValue() + "/Soundtrack");
public final URI Blues = FACTORY.createURI(Genre.stringValue() + "/Blues");
public final URI Jazz = FACTORY.createURI(Genre.stringValue() + "/Jazz");
public final URI Vocal = FACTORY.createURI(Genre.stringValue() + "/Vocal");
public final URI Country = FACTORY.createURI(Genre.stringValue() + "/Country");
public final URI album = term("album");
public final URI official = term("official");
}
private Collection<String> getEntryForUriSuffix(Map<URI, Collection<String>> map, String suffix) {
for (URI resource : map.keySet()) {
if (resource.stringValue().endsWith(suffix)) {
return map.get(resource);
}
}
return null;
}
protected String predicateToID(URI predicate, SailConnection connection) {
if (predicate.equals(s_type)) {
return "pub-type";
} else if (predicate.equals(s_title)) {
return null;
}
return super.predicateToID(predicate, connection);
}
private Resource getContainerURI(Resource subj) {
if (subj instanceof URI) {
URI uri = (URI) subj;
String ns = uri.getNamespace();
if (ns.charAt(ns.length() - 1) == '#') return vf.createURI(ns.substring(0, ns.length() - 1));
}
return subj;
}
@Override
public IV get(final IBindingSet bs) {
URI datatype = null;
String lang = null;
boolean allSame = true;
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < arity(); i++) {
@SuppressWarnings("rawtypes")
final IV v = getAndCheckLiteral(i, bs);
String label = null;
if (allSame) {
final Literal lit = asLiteral(v);
label = lit.getLabel();
if (lit.getDatatype() != null) {
if (lang != null) {
allSame = false;
} else if (datatype == null) {
if (i == 0) {
datatype = lit.getDatatype();
} else {
allSame = false;
}
} else if (!datatype.equals(lit.getDatatype())) {
allSame = false;
}
} else if (lit.getLanguage() != null) {
if (datatype != null) {
allSame = false;
} else if (lang == null) {
if (i == 0) {
lang = lit.getLanguage();
} else {
allSame = false;
}
} else if (!lang.equals(lit.getLanguage())) {
allSame = false;
}
} else {
allSame = false;
}
} else {
label = literalLabel(v);
}
sb.append(label);
}
if (allSame) {
if (datatype != null) {
return super.asIV(getValueFactory().createLiteral(sb.toString(), datatype), bs);
} else if (lang != null) {
return super.asIV(getValueFactory().createLiteral(sb.toString(), lang), bs);
}
}
return super.asIV(getValueFactory().createLiteral(sb.toString()), bs);
}
private static String getSuffix(URI plainURI, URI baseURI) {
if (baseURI == null) return null;
String b = baseURI.toString();
String p = plainURI.toString();
if (p.equals(b)) {
return null;
} else if (p.startsWith(b)) {
return p.substring(b.length());
} else {
return null;
}
}
private static ReferencingObjectMap extractReferencingObjectMap(
SesameDataSet r2rmlMappingGraph,
Resource object,
Set<GraphMap> graphMaps,
Map<Resource, TriplesMap> triplesMapResources)
throws InvalidR2RMLStructureException, InvalidR2RMLSyntaxException {
log.debug("[RMLMappingFactory:extractReferencingObjectMap] Extract referencing object map..");
URI parentTriplesMap =
(URI) extractValueFromTermMap(r2rmlMappingGraph, object, R2RMLTerm.PARENT_TRIPLES_MAP);
Set<JoinCondition> joinConditions = extractJoinConditions(r2rmlMappingGraph, object);
if (parentTriplesMap == null && !joinConditions.isEmpty()) {
throw new InvalidR2RMLStructureException(
"[RMLMappingFactory:extractReferencingObjectMap] "
+ object.stringValue()
+ " has no parentTriplesMap map defined whereas one or more joinConditions exist"
+ " : exactly one parentTripleMap is required.");
}
if (parentTriplesMap == null && joinConditions.isEmpty()) {
log.debug(
"[RMLMappingFactory:extractReferencingObjectMap] This object map is not a referencing object map.");
return null;
}
// Extract parent
boolean contains = false;
TriplesMap parent = null;
for (Resource triplesMapResource : triplesMapResources.keySet()) {
if (triplesMapResource.stringValue().equals(parentTriplesMap.stringValue())) {
contains = true;
parent = triplesMapResources.get(triplesMapResource);
log.debug(
"[RMLMappingFactory:extractReferencingObjectMap] Parent triples map found : "
+ triplesMapResource.stringValue());
break;
}
}
if (!contains) {
throw new InvalidR2RMLStructureException(
"[RMLMappingFactory:extractReferencingObjectMap] "
+ object.stringValue()
+ " reference to parent triples maps is broken : "
+ parentTriplesMap.stringValue()
+ " not found.");
}
// Link between this reerencing object and its triplesMap parent will be
// performed
// at the end f treatment.
ReferencingObjectMap refObjectMap = new StdReferencingObjectMap(null, parent, joinConditions);
log.debug(
"[RMLMappingFactory:extractReferencingObjectMap] Extract referencing object map done.");
return refObjectMap;
}
public boolean equals(final Object o) {
if (this == o) return true;
if (o instanceof FullyInlineURIIV<?>) {
return uri.stringValue().equals(((FullyInlineURIIV<?>) o).stringValue());
}
return false;
}
/**
* Insert Triple/Statement into graph
*
* @param s subject uriref
* @param p predicate uriref
* @param o value object (URIref or Literal)
* @param contexts varArgs context objects (use default graph if null)
*/
public void add(Resource s, URI p, Value o, Resource... contexts) {
if (log.isDebugEnabled())
log.debug(
"[SesameDataSet:add] Add triple ("
+ s.stringValue()
+ ", "
+ p.stringValue()
+ ", "
+ o.stringValue()
+ ").");
try {
RepositoryConnection con = currentRepository.getConnection();
try {
ValueFactory myFactory = con.getValueFactory();
Statement st = myFactory.createStatement((Resource) s, p, (Value) o);
con.add(st, contexts);
con.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
con.close();
}
} catch (Exception e) {
// handle exception
}
}
@Test
public void testSize() throws Exception {
assertEquals("Size of empty repository should be 0", 0, con.size());
// Add some data to the repository
con.begin();
con.addStatement(painter, RDF.TYPE, RDFS.CLASS);
con.addStatement(painting, RDF.TYPE, RDFS.CLASS);
con.addStatement(picasso, RDF.TYPE, painter, context1);
con.addStatement(guernica, RDF.TYPE, painting, context1);
con.addStatement(picasso, paints, guernica, context1);
con.commit();
assertEquals("Size of repository should be 5", 5, con.size());
assertEquals("Size of named context should be 3", 3, con.size(context1));
URI unknownContext = new URIImpl(EXAMPLE_NS + "unknown");
assertEquals("Size of unknown context should be 0", 0, con.size(unknownContext));
URIImpl uriImplContext1 = new URIImpl(context1.toString());
assertEquals(
"Size of named context (defined as URIImpl) should be 3", 3, con.size(uriImplContext1));
}
private static String expandBaseURI(URI baseURI) {
String s = baseURI.toString();
if (s.matches(".*[A-Za-z0-9\\-_]")) {
s += ".";
}
return s;
}
public static String normalize(URI uri, String hash) {
String s = uri.toString();
if (s.indexOf('\n') > -1 || s.indexOf('\t') > -1) {
throw new RuntimeException("Newline or tab character in URI: " + s);
}
if (hash == null) return s;
return s.replace(hash, " ");
}
private void storeStatement(Resource subj, URI pred, Value obj, Resource... contexts)
throws SailException {
if (subj.equals(currentTrx)) {
subj = getTrx();
}
if (obj.equals(currentTrx)) {
obj = getTrx();
}
if (contexts != null && contexts.length == 1) {
if (currentTrx.equals(contexts[0])) {
contexts[0] = getTrx();
}
} else if (contexts != null) {
for (int i = 0; i < contexts.length; i++) {
if (currentTrx.equals(contexts[i])) {
contexts[i] = getTrx();
}
}
}
if (contexts == null || contexts.length == 0 || contexts.length == 1 && contexts[0] == null) {
addRevision(subj);
super.addStatement(subj, pred, obj, getTrx());
} else if (contexts.length == 1) {
if (contexts[0].equals(trx)) {
addRevision(subj);
}
super.addStatement(subj, pred, obj, contexts);
Resource ctx = contexts[0];
if (isURI(ctx) && !ctx.equals(trx) && modified.add(ctx)) {
addMetadata(currentTrx, MODIFIED, ctx, currentTrx);
}
} else {
for (Resource ctx : contexts) {
if (ctx == null || ctx.equals(trx)) {
addRevision(subj);
break;
}
}
super.addStatement(subj, pred, obj, contexts);
for (Resource ctx : contexts) {
if (isURI(ctx) && !ctx.equals(trx) && modified.add(ctx)) {
addMetadata(currentTrx, MODIFIED, ctx, currentTrx);
}
}
}
}
public static void setLabel(
RepositoryConnection repCon,
org.openrdf.model.URI concept,
org.openrdf.model.URI labelType,
Literal newlabel,
PersistAndNotifyProvider persistAndNotifyProvider)
throws RepositoryException {
repCon.add(concept, labelType, newlabel);
persistAndNotifyProvider.persistAndNotify(
Helper.createChangeSetModel(
concept.stringValue(),
labelType.stringValue(),
newlabel,
ChangeTripleService.CHANGETYPE_ADD),
true);
}
// TODO: MimeType detector to null forces the execution of all extractors, but extraction
// tests should be based on mimetype detection.
protected void extract(String resource) throws ExtractionException, IOException {
SingleDocumentExtraction ex =
new SingleDocumentExtraction(
new HTMLFixture(copyResourceToTempFile(resource)).getOpener(baseURI.toString()),
getExtractorFactory(),
new RepositoryWriter(conn));
ex.setMIMETypeDetector(null);
report = ex.run();
}
private Response get(URI user) {
if (userService.isAnonymous(user)) {
AccountPoJo apj = new AccountPoJo(Namespaces.ANONYMOUS_LOGIN, user.stringValue());
return Response.ok(apj, Namespaces.MIME_TYPE_JSON)
.location(java.net.URI.create(user.stringValue()))
.build();
}
try {
RepositoryConnection conn = sesameService.getConnection();
try {
final UserAccount a = accountService.getAccount(user);
if (a != null) {
AccountPoJo apj = new AccountPoJo(a.getLogin(), a.getWebId());
apj.setRoles(a.getRoles());
for (Statement t :
ResourceUtils.listOutgoing(conn, conn.getValueFactory().createURI(a.getWebId()))) {
String prop = t.getPredicate().stringValue();
if (prop.startsWith(Namespaces.NS_FOAF)) {
Value object = t.getObject();
if (object instanceof org.openrdf.model.URI) {
apj.setFoaf(prop, String.format("<%s>", object));
} else if (object instanceof Literal) {
apj.setFoaf(prop, object.toString());
}
}
}
return Response.ok(apj, Namespaces.MIME_TYPE_JSON)
.location(java.net.URI.create(user.stringValue()))
.build();
}
return Response.status(Status.NOT_FOUND)
.entity("Could not find account data of " + user)
.build();
} finally {
conn.commit();
conn.close();
}
} catch (RepositoryException e) {
// This must not happen!
return Response.serverError().entity(e).build();
}
}
private void reify(URI activity, URI entity, Resource subj, URI pred, Value obj, Resource ctx)
throws SailException {
String ns = activity.stringValue();
if (ctx instanceof URI) {
super.addStatement(activity, informedBy, ctx, activity);
}
if (entity == null || GENERATED_BY.equals(pred.stringValue())) return;
URI operation = vf.createURI(ns + "#" + hash(ctx, entity));
if (ctx instanceof URI) {
super.addStatement(ctx, qualifiedUsage, operation, activity);
}
super.addStatement(activity, qualifiedUsage, operation, activity);
super.addStatement(operation, usedEntity, entity, activity);
Resource node = vf.createBNode();
super.addStatement(operation, changed, node, activity);
super.addStatement(node, subject, subj, activity);
super.addStatement(node, predicate, pred, activity);
super.addStatement(node, object, obj, activity);
}
@Override
public int compareTo(Pair other) {
int result = predicate.stringValue().compareTo(other.predicate.stringValue());
if (result == 0) {
result = value.compareTo(other.value);
}
return result;
}
/**
* LDP-Style to serialize a resource.
*
* @param writer the writer to serialize to
* @param subject the resource to serialize
* @param iteration the Iteration containing the data
* @throws RDFHandlerException
* @throws RepositoryException
*/
public static void exportIteration(
RDFWriter writer, URI subject, CloseableIteration<Statement, RepositoryException> iteration)
throws RDFHandlerException, RepositoryException {
writer.startRDF();
writer.handleNamespace(LDP.PREFIX, LDP.NAMESPACE);
writer.handleNamespace(RDF.PREFIX, RDF.NAMESPACE);
writer.handleNamespace(XSD.PREFIX, XSD.NAMESPACE);
writer.handleNamespace(DCTERMS.PREFIX, DCTERMS.NAMESPACE);
writer.handleNamespace("parent", subject.getNamespace());
writer.handleNamespace("child", subject.stringValue().replaceFirst("/*$", "/"));
writer.handleNamespace("this", subject.stringValue().replaceFirst("/*$", "#"));
while (iteration.hasNext()) {
writer.handleStatement(iteration.next());
}
writer.endRDF();
}
@Override
public int _compareTo(final IV o) {
final FullyInlineURIIV<?> t = (FullyInlineURIIV<?>) o;
return IVUnicode.IVUnicodeComparator.INSTANCE.compare(uri.stringValue(), t.uri.stringValue());
// return uri.stringValue().compareTo(id2);
// return id == id2 ? 0 : id < id2 ? -1 : 1;
}
@SuppressWarnings("unchecked")
public V asValue(final LexiconRelation lex) {
V v = getValueCache();
if (v == null) {
final BigdataValueFactory f = lex.getValueFactory();
v = (V) f.createURI(uri.stringValue());
v.setIV(this);
setValue(v);
}
return v;
}
public static URI getHashURI(
Resource resource, URI baseURI, String hash, Map<String, Integer> blankNodeMap) {
if (resource == null) {
return null;
} else if (resource instanceof URI) {
URI plainURI = (URI) resource;
if (plainURI.toString().matches(".*(\\n|\\t).*")) {
throw new RuntimeException("Newline or tab character in URI: " + plainURI.toString());
}
String suffix = getSuffix(plainURI, baseURI);
if (suffix == null && !plainURI.equals(baseURI)) {
return plainURI;
}
return new URIImpl(getHashURIString(baseURI, hash, suffix));
} else {
BNode blankNode = (BNode) resource;
int n = getBlankNodeNumber(blankNode, blankNodeMap);
return new URIImpl(expandBaseURI(baseURI) + hash + ".." + n);
}
}
public synchronized BlobObject getBlobObject(final String uri) throws RepositoryException {
if (blobs == null) throw new RepositoryException("No configured blob store");
try {
if (blobVersion == null && isAutoCommit()) {
return blobs.open(uri);
} else if (blobVersion == null) {
URI version = getVersionBundle();
if (version == null) {
blobVersion = blobs.newVersion();
} else {
blobVersion = blobs.newVersion(version.stringValue());
}
return blobVersion.open(uri);
} else {
return blobVersion.open(uri);
}
} catch (IOException exc) {
throw new RepositoryException(exc);
}
}
