public static String RenderTemplatePage(Bindings b, String templateName) throws IOException {
MediaType mt = MediaType.TEXT_HTML;
Resource config = model.createResource("eh:/root");
Mode prefixMode = Mode.PreferPrefixes;
ShortnameService sns = new StandardShortnameService();
List<Resource> noResults = CollectionUtils.list(root.inModel(model));
Graph resultGraph = graphModel.getGraph();
resultGraph.getPrefixMapping().setNsPrefix("api", API.NS);
resultGraph.add(Triple.create(root.asNode(), API.items.asNode(), RDF.nil.asNode()));
APIResultSet rs = new APIResultSet(resultGraph, noResults, true, true, "details", View.ALL);
VelocityRenderer vr = new VelocityRenderer(mt, null, config, prefixMode, sns);
VelocityRendering vx = new VelocityRendering(b, rs, vr);
VelocityEngine ve = vx.createVelocityEngine();
VelocityContext vc = vx.createVelocityContext(b);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
Writer w = new OutputStreamWriter(bos, "UTF-8");
Template t = ve.getTemplate(templateName);
t.merge(vc, w);
w.close();
return bos.toString();
}
/**
* 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;
}
@Override
public void add(List<Triple> arg0) {
Graph g = GraphFactory.createPlainGraph();
for (Triple t : arg0) {
g.add(t);
}
add(g);
}
@Override
public void add(Triple[] arg0) {
Graph g = GraphFactory.createPlainGraph();
for (int i = 0; i < arg0.length; i++) {
g.add(arg0[i]);
}
add(g);
}
@Override
public void add(Iterator<Triple> arg0) {
Graph g = GraphFactory.createPlainGraph();
while (arg0.hasNext()) {
Triple t = arg0.next();
g.add(t);
}
add(g);
}
@Override
public void add(Quad quad) {
Graph graph;
if (quad.isDefaultGraph()) {
graph = getDefaultGraph();
} else {
graph = getGraph(quad.getGraph());
}
if (graph != null) {
graph.add(quad.asTriple());
}
}
/**
* Adds a set of precomputed triples to the deductions store. These do not, themselves, fire any
* rules but provide additional axioms that might enable future rule firing when real data is
* added. Used to implement bindSchema processing in the parent Reasoner.
*
* @return return true if the rule set has also been loaded
*/
protected boolean preloadDeductions(Graph preloadIn) {
Graph d = fdeductions.getGraph();
BasicForwardRuleInfGraph preload = (BasicForwardRuleInfGraph) preloadIn;
// If the rule set is the same we can reuse those as well
if (preload.rules == rules) {
// Load raw deductions
for (Iterator<Triple> i = preload.find(null, null, null); i.hasNext(); ) {
d.add(i.next());
}
engine.setRuleStore(preload.engine.getRuleStore());
return true;
} else {
return false;
}
}
public OntModel applyRenamings() {
OntModel result = ModelFactory.createMem();
Graph graph = result.getGraph();
Iterator it = model.getGraph().find(Triple.ANY);
while (it.hasNext()) {
Triple t = (Triple) it.next();
Node s = t.getSubject().isURI() ? rename(t.getSubject()) : null;
Node o = t.getObject().isURI() ? rename(t.getObject()) : null;
if (s != null || o != null)
t =
Triple.create(
s != null ? s : t.getSubject(), t.getPredicate(), o != null ? o : t.getObject());
graph.add(t);
}
return result;
}
