/*
 * (c) Copyright 2010 Talis Systems Ltd.
 * All rights reserved.
 * [See end of file]
 */

package riot.dump;

import java.io.OutputStream ;
import java.util.Iterator ;

import org.openjena.riot.out.NQuadsWriter ;
import org.openjena.riot.out.NTriplesWriter ;

import com.hp.hpl.jena.graph.Graph ;
import com.hp.hpl.jena.graph.Node ;
import com.hp.hpl.jena.query.Dataset ;
import com.hp.hpl.jena.sparql.core.DatasetGraph ;
import com.hp.hpl.jena.sparql.core.Quad ;

public class Dump
{
    public static void write(OutputStream out, Graph g)
    {
        NTriplesWriter.write(out, g) ;
    }
    
    public static void write(OutputStream out, DatasetGraph dsg)
    {
        NQuadsWriter.write(out, dsg) ;

        if ( false )
        {
            Graph g = dsg.getDefaultGraph() ;
            write(out, g) ;

            Iterator<Node> names = dsg.listGraphNodes() ;
            for ( ; names.hasNext() ; )
            {
                Node gn = names.next() ;
                Iterator<Quad> quads = dsg.find(gn, null, null, null ) ;
                for ( ; quads.hasNext() ; )
                {
                    Quad q = quads.next() ;
                    write(out, q) ;
                }
            }
        }
    }
    
    private static void write(OutputStream out, Quad q)
    {

    }

    public static void write(OutputStream out, Dataset ds)
    {
        write(out, ds.asDatasetGraph()) ;
    }

}

/*
 * (c) Copyright 2010 Talis Systems Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */