/*
* $Header$
* $Revision: 982 $
* $Date: 2006-12-08 18:42:51 +1000 (Fri, 08 Dec 2006) $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003-2009 The JRDF Project. 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 end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* the JRDF Project (http://jrdf.sf.net/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The JRDF Project" and "JRDF" must not be used to endorse
* or promote products derived from this software without prior written
* permission. For written permission, please contact
* newmana@users.sourceforge.net.
*
* 5. Products derived from this software may not be called "JRDF"
* nor may "JRDF" appear in their names without prior written
* permission of the JRDF Project.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the JRDF Project. For more
* information on JRDF, please see <http://jrdf.sourceforge.net/>.
*
*/
package org.jrdf.parser.ntriples;
import org.jrdf.collection.MapFactory;
import org.jrdf.graph.Graph;
import org.jrdf.parser.ParserBlankNodeFactory;
import org.jrdf.parser.RDFEventReader;
import org.jrdf.parser.RDFEventReaderFactory;
import org.jrdf.parser.RDFEventReaderImpl;
import org.jrdf.parser.line.TriplesParserImpl;
import org.jrdf.parser.bnodefactory.ParserBlankNodeFactoryImpl;
import org.jrdf.parser.ntriples.parser.BlankNodeParser;
import org.jrdf.parser.ntriples.parser.LiteralParser;
import org.jrdf.parser.ntriples.parser.NodeMaps;
import org.jrdf.parser.ntriples.parser.NodeMapsImpl;
import org.jrdf.parser.ntriples.parser.NodeParsersFactory;
import org.jrdf.parser.ntriples.parser.NodeParsersFactoryImpl;
import org.jrdf.parser.ntriples.parser.RegexTripleParser;
import org.jrdf.parser.ntriples.parser.RegexTripleParserImpl;
import org.jrdf.parser.ntriples.parser.TripleParser;
import org.jrdf.parser.ntriples.parser.TripleParserImpl;
import org.jrdf.parser.ntriples.parser.URIReferenceParser;
import org.jrdf.util.boundary.RegexMatcherFactory;
import org.jrdf.util.boundary.RegexMatcherFactoryImpl;
import java.io.InputStream;
import java.io.Reader;
import java.net.URI;
public class NTriplesEventReaderFactory implements RDFEventReaderFactory {
private static final RegexMatcherFactory REGEX_MATCHER_FACTORY = new RegexMatcherFactoryImpl();
private final MapFactory mapFactory;
private BlankNodeParser blankNodeParser;
private RegexTripleParser regexTripleFactory;
public NTriplesEventReaderFactory(final MapFactory newMapFactory) {
mapFactory = newMapFactory;
}
public RDFEventReader createRDFEventReader(final InputStream stream, final URI baseURI, final Graph graph) {
init(graph);
final TripleParser tripleParser = new TripleParserImpl(REGEX_MATCHER_FACTORY, blankNodeParser,
regexTripleFactory);
return new RDFEventReaderImpl(stream, baseURI, new NTriplesFormatParser(new TriplesParserImpl(tripleParser)));
}
public RDFEventReader createRDFEventReader(final Reader reader, final URI baseURI, final Graph graph) {
init(graph);
final TripleParser tripleParser = new TripleParserImpl(REGEX_MATCHER_FACTORY, blankNodeParser,
regexTripleFactory);
return new RDFEventReaderImpl(reader, baseURI, new NTriplesFormatParser(new TriplesParserImpl(tripleParser)));
}
private void init(final Graph graph) {
final NodeParsersFactory parsersFactory = new NodeParsersFactoryImpl(graph, mapFactory);
final URIReferenceParser uriReferenceParser = parsersFactory.getUriReferenceParser();
final ParserBlankNodeFactory blankNodeFactory = new ParserBlankNodeFactoryImpl(mapFactory,
graph.getElementFactory());
blankNodeParser = parsersFactory.getBlankNodeParserWithFactory(blankNodeFactory);
final LiteralParser literalParser = parsersFactory.getLiteralParser();
final NodeMaps nodeMaps = new NodeMapsImpl(uriReferenceParser, blankNodeParser, literalParser);
regexTripleFactory = new RegexTripleParserImpl(REGEX_MATCHER_FACTORY, graph.getTripleFactory(), nodeMaps);
}
}