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();
}
public String executeQuery(String queryString) {
/*
//System.out.println(queryString);
Query query = QueryFactory.create(queryString);
QueryExecution qe = QueryExecutionFactory.create(query, model);
ResultSet results = qe.execSelect();
ByteArrayOutputStream ostream = new ByteArrayOutputStream();
ResultSetFormatter.out(ostream, results, query);
//ResultSetFormatter.out(System.out, results, query);
String r = "";
try{
r = new String(ostream.toByteArray(), "UTF-8");
//System.out.println(r);
}
catch(Exception e){
System.out.println(e.getMessage());
}
qe.close();
return r;
*/
//// new added for test JSON output
try {
Query query = QueryFactory.create(queryString);
QueryExecution qe = QueryExecutionFactory.create(query, model);
ResultSet results = qe.execSelect();
ByteArrayOutputStream ostream = new ByteArrayOutputStream();
ResultSetFormatter.outputAsJSON(ostream, results);
// ResultSetFormatter.out(ostream, results, query);
// ResultSetFormatter.out(System.out, results, query);
String r = "";
try {
r = new String(ostream.toByteArray(), "UTF-8");
// System.out.println(r);
} catch (Exception e) {
System.out.println(e.getMessage());
}
qe.close();
return r;
} catch (Exception e) {
System.out.println(e.toString());
return "";
}
}
