/*
* Copyright (c) 2013-2015 Josef Hardi <josef.hardi@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.obidea.semantika.mapping.parser.r2rml;
import java.io.IOException;
import java.io.InputStream;
import org.openrdf.rio.turtle.TurtleParser;
import io.github.johardi.r2rmlparser.R2RmlHandler;
import com.obidea.semantika.io.IDocumentSource;
import com.obidea.semantika.knowledgebase.DefaultPrefixManager;
import com.obidea.semantika.knowledgebase.IPrefixManager;
import com.obidea.semantika.mapping.IMappingSet;
import com.obidea.semantika.mapping.IMetaModel;
import com.obidea.semantika.mapping.exception.MappingParserException;
import com.obidea.semantika.mapping.parser.AbstractMappingParser;
import com.obidea.semantika.mapping.parser.MappingParserConfiguration;
public class R2RmlParser extends AbstractMappingParser
{
public R2RmlParser(IMetaModel metaModel)
{
super(metaModel);
}
@Override
public IPrefixManager parse(IDocumentSource inputDocument, IMappingSet mappingSet,
MappingParserConfiguration configuration) throws MappingParserException, IOException
{
R2RmlTriplesMapHandler triplesMapHandler = new R2RmlTriplesMapHandler(mappingSet, getMetaModel(), configuration);
InputStream is = inputDocument.getInputStream();
try {
DefaultPrefixManager prefixManager = new DefaultPrefixManager();
TurtleParser parser = new TurtleParser();
R2RmlHandler parserHandler = new R2RmlHandler();
parser.setRDFHandler(parserHandler);
parser.parse(is, configuration.getBaseIri());
triplesMapHandler.handle(parserHandler.getTriplesMaps());
prefixManager.setAll(parserHandler.getPrefixMapper());
return prefixManager;
}
catch (Exception e) {
throw new MappingParserException(e.getMessage());
}
finally {
if (is != null) {
is.close();
}
}
}
@Override
public String getSyntax()
{
return "R2RML/Turtle"; //$NON-NLS-1$
}
}