84 lines
3.0 KiB
Java
84 lines
3.0 KiB
Java
package eu.dnetlib.ariadneplus.virtuoso;
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import java.io.IOException;
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import java.io.InputStream;
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import org.apache.jena.rdf.model.Model;
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import org.apache.jena.rdf.model.ModelFactory;
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import org.apache.jena.rdf.model.Property;
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import org.apache.jena.rdf.model.ResourceFactory;
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import org.apache.jena.riot.RDFDataMgr;
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import org.apache.jena.riot.RDFFormat;
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import org.apache.jena.riot.RIOT;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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import org.springframework.core.io.ClassPathResource;
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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@RunWith(JUnit4.class)
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public class ExampleIO_01 {
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@Test
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public void test() throws IOException {
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InputStream in = getResourceAsStream("eu/dnetlib/ariadneplus/virtuoso/data.ttl");
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RIOT.init() ;
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Model model = ModelFactory.createDefaultModel(); // creates an in-memory Jena Model
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model.read(in, null, "TURTLE"); // parses an InputStream assuming RDF in Turtle format
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// Write the Jena Model in Turtle, RDF/XML and N-Triples format
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System.out.println("\n---- Turtle ----");
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model.write(System.out, "TURTLE");
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System.out.println("\n---- RDF/XML ----");
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model.write(System.out, "RDF/XML");
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System.out.println("\n---- RDF/XML Abbreviated ----");
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model.write(System.out, "RDF/XML-ABBREV");
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System.out.println("\n---- N-Triples ----");
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model.write(System.out, "N-TRIPLES");
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System.out.println("\n---- RDF/JSON ----");
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model.write(System.out, "RDF/JSON");
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RDFDataMgr.write(System.out, model.getGraph(), RDFFormat.RDFXML_PLAIN);
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System.out.println("\n----RDFDataMgr with model and RDFFormat.RDFXML_PLAIN ----");
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RDFDataMgr.write(System.out, model, RDFFormat.RDFXML_PLAIN);
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}
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@Test
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public void testPropertyNamespace(){
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Property p = ResourceFactory.createProperty("dnet:", "transformedInDate");
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System.out.println(p.toString());
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}
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@Test
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public void testPropertyNamespaceUrl(){
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String ns = "http://www.d-net.research-infrastructures.eu/provenance/";
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Property p = ResourceFactory.createProperty(ns, "transformedInDate");
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System.out.println(p.toString());
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}
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private InputStream getResourceAsStream(final String classpath) throws IOException {
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final ClassPathResource resource = new ClassPathResource(classpath);
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return resource.getInputStream();
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}
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}
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