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annotate src/info/wilkinsonlab/sadi/galaxy/RDFSyntaxConverter.java @ 2:977c838e3442 draft default tip

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New dir structure, README improved, tests added and RDF merge tool created
author mikel-egana-aranguren <mikel.egana.aranguren@gmail.com>
date Fri, 25 Apr 2014 14:41:12 +0200
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977c838e3442 New dir structure, README improved, tests added and RDF merge tool created
mikel-egana-aranguren <mikel.egana.aranguren@gmail.com>
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1 package info.wilkinsonlab.sadi.galaxy;
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mikel-egana-aranguren <mikel.egana.aranguren@gmail.com>
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mikel-egana-aranguren <mikel.egana.aranguren@gmail.com>
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3 import java.io.InputStream;
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5 import com.hp.hpl.jena.query.Query;
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6 import com.hp.hpl.jena.query.QueryExecution;
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7 import com.hp.hpl.jena.query.QueryExecutionFactory;
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8 import com.hp.hpl.jena.query.QueryFactory;
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9 import com.hp.hpl.jena.query.QuerySolution;
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10 import com.hp.hpl.jena.query.ResultSet;
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11 import com.hp.hpl.jena.rdf.model.Model;
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12 import com.hp.hpl.jena.rdf.model.ModelFactory;
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13 import com.hp.hpl.jena.util.FileManager;
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15 public class RDFSyntaxConverter {
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mikel-egana-aranguren <mikel.egana.aranguren@gmail.com>
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17 /**
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18 * @param input RDF
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19 * @param format one of N3, N-TRIPLE, TAB
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20 *
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21 */
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22 public static void main(String[] args) {
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23 String input_RDF_path = args[0];
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24 String format = args[1];
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25 Model model = ModelFactory.createOntologyModel();
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26 InputStream in = FileManager.get().open(input_RDF_path);
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27 model.read(in, null);
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29 if (format.equals("TAB")) {
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30 String queryString = "SELECT * WHERE { ?s ?p ?o } ";
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31 Query query = QueryFactory.create(queryString);
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32 QueryExecution qe = QueryExecutionFactory.create(query, model);
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33 try {
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34 ResultSet rs = qe.execSelect();
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35 System.out.println("Subject\tPredicate\tObject\n");
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36 while (rs.hasNext()) {
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37 QuerySolution row = rs.nextSolution();
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38 System.out.println(row.get("s") + "\t" + row.get("p")
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39 + "\t" + row.get("o") + "\n");
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40 }
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41 } finally {
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42 qe.close();
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43 }
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44 } else {
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45 model.write(System.out, format);
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46 }
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47 }
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48 }