QString KoRdfSemanticItemViewSite::getProperty(const QString &prop, const QString &defval) const
{
Soprano::Node ls = linkingSubject();
QString fqprop = "http://koffice.org/rdf/site#" + prop;
KoDocumentRdf *rdf = d->m_semItem->documentRdf();
Soprano::Model *m = rdf->model();
StatementIterator it = m->listStatements(ls, Node::createResourceNode(QUrl(fqprop)),
Node(), rdf->manifestRdfNode());
QList<Statement> allStatements = it.allElements();
foreach (Soprano::Statement s, allStatements) {
return s.object().toString();
}
return defval;
}
void SkosSerializer::serializeStatemetsToFile(
const QString &p_fileName,
const Soprano::RdfSerialization &p_fileType)
{
const Soprano::Serializer* serializer =
Soprano::PluginManager::instance()->discoverSerializerForSerialization(
p_fileType);
QFile l_outputFile(p_fileName);
l_outputFile.open(QIODevice::WriteOnly);
QTextStream l_stream(&l_outputFile);
Soprano::Model* sopranoModel = Soprano::createModel();
sopranoModel->addStatements(m_statements);
serializer->serialize(sopranoModel->listStatements(),
l_stream,
p_fileType);
}
Soprano::Node KoRdfSemanticItemViewSite::linkingSubject() const
{
KoDocumentRdf *rdf = d->m_semItem->documentRdf();
Soprano::Model *m = rdf->model();
Node pred(QUrl("http://koffice.org/rdf/site/package/common#idref"));
Node obj = Node::createLiteralNode(d->m_xmlid);
Node context = rdf->manifestRdfNode();
// try to find it if it already exists
StatementIterator it = m->listStatements(Node(), pred, obj, context);
QList<Statement> allStatements = it.allElements();
foreach (Soprano::Statement s, allStatements) {
return s.subject();
}
Node ret = m->createBlankNode();
m->addStatement(ret, pred, obj, context);
return ret;
}
