D-Net

package eu.dnetlib.parthenos.virtuoso;

import java.io.IOException;

import java.io.InputStream;

import org.apache.jena.rdf.model.Model;

import org.apache.jena.rdf.model.ModelFactory;

import org.apache.jena.riot.RDFDataMgr;

import org.apache.jena.riot.RDFFormat;

import org.apache.jena.riot.RIOT;

import org.junit.Test;

import org.springframework.core.io.ClassPathResource;

/**

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you 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

 * <p>

 * http://www.apache.org/licenses/LICENSE-2.0

 * <p>

 * 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.

 */

public class ExampleIO_01 {

	@Test

		public void test() throws IOException {

			InputStream in = getResourceAsStream("eu/dnetlib/parthenos/virtuoso/data.ttl");

			RIOT.init() ;

			Model model = ModelFactory.createDefaultModel(); // creates an in-memory Jena Model

			model.read(in, null, "TURTLE"); // parses an InputStream assuming RDF in Turtle format

			// Write the Jena Model in Turtle, RDF/XML and N-Triples format

			System.out.println("\n---- Turtle ----");

			model.write(System.out, "TURTLE");

			System.out.println("\n---- RDF/XML ----");

			model.write(System.out, "RDF/XML");

			System.out.println("\n---- RDF/XML Abbreviated ----");

			model.write(System.out, "RDF/XML-ABBREV");

			System.out.println("\n---- N-Triples ----");

			model.write(System.out, "N-TRIPLES");

			System.out.println("\n---- RDF/JSON ----");

			model.write(System.out, "RDF/JSON");

			System.out.println("\n---- RDF/XML_PLAIN ----");

			model.write(System.out, "RDF/XML_PLAIN");

			System.out.println("\n----RDFDataMgr with graph and RDFFormat.RDFXML_PLAIN ----");

			RDFDataMgr.write(System.out, model.getGraph(), RDFFormat.RDFXML_PLAIN);

			System.out.println("\n----RDFDataMgr with model and RDFFormat.RDFXML_PLAIN ----");

			RDFDataMgr.write(System.out, model, RDFFormat.RDFXML_PLAIN);

		}

	private InputStream getResourceAsStream(final String classpath) throws IOException {

		final ClassPathResource resource = new ClassPathResource(classpath);

		return resource.getInputStream();

	}

}

//		System.out.println("*************RDF/XML*************");

//		md.write(System.out, "RDF/XML");

//		System.out.println("*************RDF/XML-ABBREV*************");

//		md.write(System.out, "RDF/XML-ABBREV");

//		System.out.println("*************Default language*************");

//		md.write(System.out);

		md.write(System.out, "RDF/XML");

@prefix : <http://example.org/> .

@prefix foaf:   <http://xmlns.com/foaf/0.1/> .

:alice

    a           foaf:Person ;

    foaf:name   "Alice" ;

    foaf:mbox   <mailto:alice@example.org> ;

    foaf:knows  :bob ;

    foaf:knows  :charlie ;

    foaf:knows  :snoopy ;

    .

:bob

    foaf:name   "Bob" ;

    foaf:knows  :charlie ;

    .

:charlie

    foaf:name   "Charlie" ;

    foaf:knows  :alice ;

    .