CSVtoRDF.java

package Assignment1;
import org.apache.jena.rdf.model.Model;

import org.apache.jena.rdf.model.ModelFactory;
import org.apache.jena.rdf.model.Property;
import org.apache.jena.rdf.model.Resource;
import java.io.*;
import java.util.ArrayList;

public class CSVtoRDF {
	private static final String file = "C:\\Users\\priya\\OneDrive\\Desktop\\WebSemantics\\src\\data.csv";
	private ArrayList<String> data, actor, movie, country;
	public static void main(String[] args) {
		CSVtoRDF ttlObject = new CSVtoRDF();
		ttlObject.readCSV();
		ttlObject.convertToRDF();
	}
		void readCSV(){
			BufferedReader reader = null;
			String line = "";
				data = new ArrayList<String>();
				actor = new ArrayList<String>();
				movie = new ArrayList<String>();
				country = new ArrayList<String>();
			try {
				reader = new BufferedReader(new FileReader(file));
				while((line = reader.readLine()) != null) {
					String[] row = line.split(",(?![ ])");
					actor.add(row[0]);
					movie.add(row[1]);
					country.add(row[2]);
					data.add(line);
				}
			} catch (Exception e) {
				e.printStackTrace();
			}
			finally {
				try {
					reader.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
		
		void convertToRDF() {
			Model model = ModelFactory.createDefaultModel();
			String resource = "http:/moviesDB.com/resource/";
			String ontology = "http:/moviesDB.com/ontology/";
			Resource ActorResource = model.createResource(resource + "actor");
			Property  ActedIn = model.createProperty(ontology + "starred-in");
			Property ReleasedIn = model.createProperty(ontology + "released-in");
			Property rdfType = model.createProperty("http://www.w3.org/1999/02/22-rdf-syntax-ns#:type");
			
			for(int i = 0; i<data.size()-1; i++) {
				Resource actorResource = model.createResource(resource+actor.get(i).replaceAll(" ", "-"));
				actorResource.addProperty(rdfType, ActorResource);

				actorResource.addProperty(ActedIn, movie.get(i));
				actorResource.addProperty(ReleasedIn, country.get(i));
				
			}
			try {
				Writer writer = new FileWriter("C:\\Users\\priya\\OneDrive\\Desktop\\WebSemantics\\assignment-Par\\output.ttl");
					
					model.write(writer,"TURTLE");
					model.write(System.out,"TURTLE");}
				catch(Exception exception) {
					exception.printStackTrace();
				}
			}
		}