package com.data2semantics.yasgui.server.autocompletions;
/*
* #%L
* YASGUI
* %%
* Copyright (C) 2013 Laurens Rietveld
* %%
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* #L%
*/
import java.util.Set;
import com.hp.hpl.jena.query.QueryFactory;
import com.hp.hpl.jena.query.Syntax;
import com.hp.hpl.jena.sparql.core.Prologue;
import com.hp.hpl.jena.sparql.syntax.Element;
public class Query extends com.hp.hpl.jena.query.Query {
private SparqlElementVisitor visitor = null;
public Query() {};
public Query(Prologue prologue) {
super(prologue);
}
public static Query create(String queryString) {
Query query = new Query();
query = (Query)(QueryFactory.parse(query, queryString, null, Syntax.defaultQuerySyntax));
query.generateQueryStats();
return query;
}
private void generateQueryStats() {
Element queryElement = getQueryPattern();
visitor = new SparqlElementVisitor();
if (queryElement == null) return;
queryElement.visit(visitor);
visitor.cleanPossibles();
}
public Set<String> getProperties() {
if (visitor == null) generateQueryStats();
return visitor.getProperties();
}
public Set<String> getPossibleProperties() {
if (visitor == null) generateQueryStats();
return visitor.getPossibleProperties();
}
public Set<String> getClasses() {
if (visitor == null) generateQueryStats();
return visitor.getClasses();
}
public Set<String> getPossibleClasses() {
if (visitor == null) generateQueryStats();
return visitor.getPossibleClasses();
}
public static void main(String[] args) {
Query query = Query.create("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT * WHERE {<http://bfsdfdfdfdfdf> rdfs:subClassOf <http://bfsd>}");
for (String classString:query.getClasses()) {
System.out.println("asd" + classString);
}
}
}