QueryTest.java

package query;


import com.hp.hpl.jena.query.QueryExecution;
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.sparql.engine.http.QueryExceptionHTTP;

public class QueryTest {

    public static void main(String[] args) {
        String service = "http://dbpedia.org/sparql";
        String query = "ASK { }";
        QueryExecution qe = QueryExecutionFactory.sparqlService(service, query);
        try {
            if (qe.execAsk()) {
                System.out.println(service + " is UP");
            } // end if
        } catch (QueryExceptionHTTP e) {
            System.out.println(service + " is DOWN");
        } finally {
            qe.close();
        } // end try/catch/finally
    } // end method

} // end class