public Map<String, String> read(String in) {
List<String> result = new ArrayList<String>();
HttpClient client = new HttpClient();
// client.getHostConfiguration().setProxy("wwwcache.open.ac.uk", 80);
ModelFactory modelFactory = RDF2Go.getModelFactory();
Model model = modelFactory.createModel();
String serviceEndPoint = "http://ws.geonames.org/search?q=" + "London" + "&type=rdf";
GetMethod geoNameSearch = new GetMethod(serviceEndPoint);
String rdf = "";
try {
client.executeMethod(geoNameSearch);
rdf = geoNameSearch.getResponseBodyAsString();
String rdf8 = new String(rdf.getBytes(), "UTF-8");
System.out.println(rdf8);
String modelQueryString =
"SELECT DISTINCT ?name ?country ?location ?map ?lat ?long WHERE { ?location <http://www.geonames.org/ontology#name> ?name ."
+ "?location <http://www.geonames.org/ontology#locationMap> ?map ."
+ "?location <http://www.geonames.org/ontology#countryCode> ?country ."
+ "?location <http://www.w3.org/2003/01/geo/wgs84_pos#lat> ?lat ."
+ "?location <http://www.w3.org/2003/01/geo/wgs84_pos#long> ?long}";
model.open();
model.readFrom(new ByteArrayInputStream(rdf8.getBytes()));
QueryResultTable results = model.sparqlSelect(modelQueryString);
System.out.println(results.toString());
ClosableIterator<QueryRow> iter = results.iterator();
while (iter.hasNext()) {
QueryRow row = iter.next();
String name = row.getValue("name").toString();
String country = row.getValue("country").toString();
String location = row.getValue("location").toString();
String map = row.getValue("location").toString();
String lat = row.getValue("lat").toString();
String longatti = row.getValue("long").toString();
result.add(
name + " -> " + country + ";" + location + ";" + lat + ";" + longatti + ";" + name + ";"
+ name + ":" + country + ":" + location + ":" + map);
}
} catch (HttpException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
model.close();
// return result;
return null;
}
public Model toRDF2GoModel() {
Model model = RDF2Go.getModelFactory().createModel();
model.open();
Resource sample = this.getUri();
model.addStatement(sample, RDF.type, this.type);
for (PropertyValue property : properties) {
Node object;
if (property.getLang() != null) {
object = model.createLanguageTagLiteral(property.getValue(), property.getLang());
} else if (property.getDatatype() != null) {
object = model.createDatatypeLiteral(property.getValue(), property.getDatatype());
} else {
object = model.createPlainLiteral(property.getValue());
}
model.addStatement(sample, property.getUri(), object);
}
return model;
}
/**
* Creates an empty RDF2Go model for a given context, and opens the connection to it
*
* @param contextUri context URI for the model
* @return the RDF2Go model
*/
protected final Model createModel(URI contextUri) {
return RDF2Go.getModelFactory().createModel(contextUri).open();
}
/**
* Creates an empty RDF2Go model, and opens the connection to it
*
* @return the RDF2Go model
*/
protected final Model createModel() {
return RDF2Go.getModelFactory().createModel().open();
}
