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Source Code of VirtuosoExample3

/*
*  $Id$
*
*  This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
*  project.
*
*  Copyright (C) 1998-2014 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
*
*/

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URL;

import org.openrdf.sesame.config.AccessDeniedException;
import org.openrdf.sesame.constants.RDFFormat;
import org.openrdf.sesame.query.MalformedQueryException;
import org.openrdf.sesame.query.QueryEvaluationException;
import org.openrdf.sesame.query.QueryResultsTable;
import org.openrdf.sesame.sail.NamespaceIterator;

import virtuoso.sesame.driver.*;

public class VirtuosoExample3
{
    public static void main(String[] args)
    {

  // example query

  try
  {
      VirtuosoAdminListener _report = new VirtuosoAdminListener();
      VirtuosoRepository rep = new VirtuosoRepository("sesame", "jdbc:virtuoso://localhost:1111", "dba", "dba");

      rep.clear(_report);

      // TEST 1
      File dataFile = new File("virtuoso_driver/data.nt");
      System.out.println("TEST 1: Loading file " + dataFile.getAbsolutePath() + " ...");
      rep.addData(dataFile, "http://localhost/", RDFFormat.NTRIPLES, false, _report);
      String query = "SELECT ?s ?p ?o from <sesame> WHERE { ?s ?p ?o }";
      QueryResultsTable result = rep.performTableQuery(null, query);
      System.out.println("TEST 1: Passed = " + (result.getRowCount() > 0));

      // TEST 2
      System.out.println("TEST 2: Clearing repository ...");
      rep.clear(_report);
      query = "SELECT ?s ?p ?o from <sesame> WHERE { ?s ?p ?o }";
      result = rep.performTableQuery(null, query);
      System.out.println("TEST 2: Passed = " + (result.getRowCount() == 0));

      // TEST 3
      URL url = new URL("http://overdogg.com/rdf/requests/1"); //("http://demo.openlinksw.com/dataspace/person/demo#this");
      System.out.println("TEST 3: Loading remote file: " + url.toString() + " ...");
      rep.addData(url, "http://localhost/", RDFFormat.RDFXML, false, _report);
      // execute query
      query = "SELECT ?s ?p ?o from <sesame> WHERE { ?s ?p ?o }";
      result = rep.performTableQuery(null, query);
      System.out.println("TEST 3: Passed = " + (result.getRowCount() > 0));

      // TEST 4
      NamespaceIterator nss = rep.getNamespaces();
      System.out.println("TEST 4: Passed = " + nss.hasNext());
  }
  catch (AccessDeniedException ade)
  {
      System.out.println("VirtuosoTest.main() Access denied.");
      System.out.println(ade.getMessage());
  }
  catch (FileNotFoundException fnfe)
  {
      System.out.println("VirtuosoTest.main() File not found.");
      System.out.println(fnfe.getMessage());
  }
  catch (IOException ioe)
  {
      System.out.println("VirtuosoTest.main() I/O error.");
      System.out.println(ioe.getMessage());
  }
  catch (QueryEvaluationException qee)
  {
      System.out.println("VirtuosoTest.main() QueryEvaluationException.");
      System.out.println(qee.getMessage());
  }
  catch (MalformedQueryException mqe)
  {
      System.out.println("VirtuosoTest.main() Malformed query - SimpleExample.");
      System.out.println(mqe.getMessage());
      mqe.printStackTrace();
  }
  catch (ClassCastException cce)
  {
      System.out.println("VirtuosoTest.main() ClassCastException.");
      System.out.println(cce.getMessage());
      cce.printStackTrace();
  }
    }
}
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