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/*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
//package virtuoso.jena.driver;
import com.hp.hpl.jena.query.*;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.query.DataSource;
import com.hp.hpl.jena.util.iterator.*;
import com.hp.hpl.jena.graph.*;
import com.hp.hpl.jena.graph.test.*;
import java.util.*;
import virtuoso.jena.driver.*;
public class VirtuosoSPARQLExample11 {
/**
* Executes a SPARQL query against a virtuoso url and prints results.
*/
public static void main(String[] args) {
String url;
if(args.length == 0)
url = "jdbc:virtuoso://localhost:1111";
else
url = args[0];
/* STEP 1 */
VirtDataSource ds = new VirtDataSource(url, "dba", "dba");
Model md = ds.getNamedModel("gr");
Statement st;
st = statement( md, "D E F" );
md.add(st);
st = statement( md, "A B C" );
md.add(st);
StmtIterator it = md.listStatements();
while(it.hasNext()) {
st = it.nextStatement();
System.out.println(st);
}
}
public static Statement statement( Model m, String fact )
{
StringTokenizer st = new StringTokenizer( fact );
Resource sub = resource( m, st.nextToken() );
Property pred = property( m, st.nextToken() );
RDFNode obj = rdfNode( m, st.nextToken() );
return m.createStatement( sub, pred, obj );
}
public static Resource resource( Model m, String s )
{ return (Resource) rdfNode( m, s ); }
public static Property property( Model m, String s )
{ return (Property) rdfNode( m, s ).as( Property.class ); }
public static RDFNode rdfNode( Model m, String s )
{ return m.asRDFNode( NodeCreateUtils.create( m, s ) ); }
}
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