/*******************************************************************************
* Copyright 2012 University of Southern California
*
* 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.
*
* This code was developed by the Information Integration Group as part
* of the Karma project at the Information Sciences Institute of the
* University of Southern California. For more information, publications,
* and related projects, please see: http://www.isi.edu/integration
******************************************************************************/
package edu.isi.karma.modeling.ontology;
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.hp.hpl.jena.ontology.DatatypeProperty;
import com.hp.hpl.jena.ontology.ObjectProperty;
import com.hp.hpl.jena.ontology.OntClass;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.ontology.OntModelSpec;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.vocabulary.XSD;
import edu.isi.karma.modeling.Namespaces;
import edu.isi.karma.rep.HNode;
import edu.isi.karma.rep.Worksheet;
public class AutoOntology {
static Logger logger = LoggerFactory.getLogger(AutoOntology.class.getName());
private Worksheet worksheet;
public AutoOntology(Worksheet worksheet) {
this.worksheet = worksheet;
}
public void Build(String path) throws IOException {
List<HNode> sortedLeafHNodes = new ArrayList<HNode>();
worksheet.getHeaders().getSortedLeafHNodes(sortedLeafHNodes);
OntModel autoOntology = ModelFactory.createOntologyModel( OntModelSpec.OWL_MEM );
String ns = Namespaces.KARMA;
autoOntology.setNsPrefix("karma", ns);
OntClass topClass = autoOntology.createClass( ns + worksheet.getTitle().replaceAll(" ", "_")); // replace blank spaces with undrscore
for (HNode hNode : sortedLeafHNodes){
DatatypeProperty dp = autoOntology.createDatatypeProperty(ns+hNode.getColumnName().trim().replaceAll(" ", "_"));
dp.addDomain(topClass);
dp.addRange(XSD.xstring);
}
// OntClass thingClass = autoOntology.createClass(Uris.THING_URI);
ObjectProperty op = autoOntology.createObjectProperty(ns + "relatedTo");
op.addDomain(topClass);
// op.addRange(thingClass);
Writer outUTF8 =null;
try {
outUTF8 = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(path), "UTF8"));
autoOntology.write(outUTF8, null);
outUTF8.flush();
outUTF8.close();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
}