/* @see org.mindswap.common.Parser#parse(java.lang.Object) */
public ABoxQuery<Variable> parse(final String queryString) throws ParseException {
if (queryString == null) throw new ParseException(queryString, "Query string null.");
final Query query;
try {
switch (lang) {
case RDQL:
query = QueryFactory.create(queryString, Syntax.syntaxRDQL);
break;
case SPARQL_DL:
case SPARQL:
default:
query = QueryFactory.create(queryString, Syntax.syntaxSPARQL);
break;
}
} catch (final QueryException e) {
throw new ParseException(queryString, e);
}
final ISWRLFactory swrlFactory = SWRLFactory.createFactory(model);
final Map<String, Variable> vars = new HashMap<String, Variable>();
final Element elmnt = query.getQueryPattern();
final ElementVisitor v = new ElementVisitor(model, swrlFactory, vars);
elmnt.visit(v);
final OWLList<Atom> atomList = v.getAtomList();
final List<Variable> resultVars = new ArrayList<Variable>();
for (final String var : query.getResultVars()) {
resultVars.add(vars.get("?" + var));
}
return new ABoxQuery<Variable>(atomList, resultVars);
}
private Set<String> getVars(List<Element> elements, Set<String> projectionVars) {
Set<String> result = new HashSet<String>();
for (Element e : elements) {
for (String var : projectionVars) {
if (e.toString().contains("?" + var)) {
result.add(var);
}
}
}
return result;
}
/* @see com.hp.hpl.jena.sparql.syntax.ElementVisitorBase#visit(com.hp.hpl.jena.sparql.syntax.ElementGroup) */
@Override
public void visit(final ElementGroup elementgroup) {
for (final Element e : elementgroup.getElements()) {
e.visit(this);
}
}
