Begin creating TBox programmatically

.gitignore

@@ -14,3 +14,4 @@ target/surefire-reports/
 # Own files
 test.ttl
 
+output/*

data/tbox.ttl

@@ -5,6 +5,13 @@
 @prefix foaf:	<http://xmlns.com/foaf/0.1/> .
 @prefix rev:	<http://purl.org/stuff/rev#> .
 
+# Our classes
+:GameConsole	rdf:type rdf:Class .
+
+:PortableGameConsole	rdf:type rdf:Class ;
+			rdfs:subclassOf :GameConsole .
+
+
 # Our own properties
 :ceo    rdf:type    rdf:Property ;
         rdfs:domain foaf:Organization ;

src/main/java/hsh/examplecode/SampleCode.java

@@ -0,0 +1,41 @@
+package hsh.examplecode;
+
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+
+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 org.apache.jena.rdf.model.Statement;
+
+/**
+ * Hello world!
+ *
+ */
+public class SampleCode {
+	public static void main(String[] args) {
+		System.out.println("Hello World!");
+		String familyUri = "http://family/";
+		String relationshipUri = "http://purl.org/vocab/relationship/";
+		
+		Model model = ModelFactory.createDefaultModel();
+		Resource donald = model.createResource(familyUri + "donald");
+		Resource tick = model.createResource(familyUri + "tick");
+
+		Property childOf = model.createProperty(relationshipUri, "childOf");
+		Property knows = model.createProperty(relationshipUri, "knows");
+		tick.addProperty(childOf, donald);
+		
+		Statement st1 = model.createStatement(donald, knows, tick);
+		model.add(st1);
+		FileOutputStream outfile;
+		try {
+			outfile = new FileOutputStream("./test.ttl");
+			model.write(outfile, "TURTLE");
+		} catch (FileNotFoundException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+}

src/main/java/hsh/ins_jena/App.java

@@ -1,13 +1,6 @@
 package hsh.ins_jena;
 
-import java.io.FileNotFoundException;
+import hsh.ins_jena.model.Generator;
-import java.io.FileOutputStream;
-
-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 org.apache.jena.rdf.model.Statement;
 
 /**
  * Hello world!
@@ -15,27 +8,7 @@ import org.apache.jena.rdf.model.Statement;
  */
 public class App {
 	public static void main(String[] args) {
-		System.out.println("Hello World!");
+		System.out.println("Generating TBox ...");
-		String familyUri = "http://family/";
+		Generator.createTBox();
-		String relationshipUri = "http://purl.org/vocab/relationship/";
-		
-		Model model = ModelFactory.createDefaultModel();
-		Resource donald = model.createResource(familyUri + "donald");
-		Resource tick = model.createResource(familyUri + "tick");
-
-		Property childOf = model.createProperty(relationshipUri, "childOf");
-		Property knows = model.createProperty(relationshipUri, "knows");
-		tick.addProperty(childOf, donald);
-		
-		Statement st1 = model.createStatement(donald, knows, tick);
-		model.add(st1);
-		FileOutputStream outfile;
-		try {
-			outfile = new FileOutputStream("./test.ttl");
-			model.write(outfile, "TURTLE");
-		} catch (FileNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
 	}
 }

src/main/java/hsh/ins_jena/model/Generator.java

@@ -0,0 +1,64 @@
+package hsh.ins_jena.model;
+
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+
+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;
+
+public class Generator {
+
+	// Our own namespace uri
+	private static String ownUri = "http://example.com/ins_uebung/#";
+
+	// Uris for other vocabularies we use
+	private static String rdfUri = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+	private static String rdfsUri = "http://www.w3.org/2000/01/rdf-schema#";
+	private static String xsdUri = "http://www.w3.org/2001/XMLSchema#";
+	private static String foafUri = "http://xmlns.com/foaf/0.1/";
+	private static String revUri = "http://purl.org/stuff/rev#";
+	
+	public static void createTBox() {
+		Model model = ModelFactory.createDefaultModel();
+
+		// Some boilerplate stuff
+		Property rdfType = model.createProperty(rdfUri+"type");
+		Resource rdfClass = model.createResource(rdfUri+"Class");
+		
+		Property rdfsSubclassOf = model.createProperty(rdfsUri+"subclassOf");
+
+		Resource gameConsole = model.createResource(ownUri+"GameConsole");
+		Resource portableGameConsole = model.createResource(ownUri+"PortableGameConsole");
+		
+		model.add(model.createStatement(gameConsole, rdfType, rdfClass));
+		model.add(model.createStatement(portableGameConsole, rdfType, rdfClass));
+		model.add(model.createStatement(portableGameConsole, rdfsSubclassOf, gameConsole));
+		
+		/*
+		Resource donald = model.createResource(familyUri + "donald");
+		Resource tick = model.createResource(familyUri + "tick");
+
+		Property childOf = model.createProperty(relationshipUri, "childOf");
+		Property knows = model.createProperty(relationshipUri, "knows");
+		tick.addProperty(childOf, donald);
+
+		Statement st1 = model.createStatement(donald, knows, tick);
+		model.add(st1);
+		*/
+		
+		Generator.writeModelToFile(model, "./tbox.ttl");
+	}
+	
+	private static void writeModelToFile(Model model, String path) {
+		FileOutputStream outfile = null;
+		try {
+			outfile = new FileOutputStream(path);
+			model.write(outfile, "TURTLE");
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+		}
+	}
+
+}