[DL-Learner SVN] SF.net SVN: dl-learner: [995] trunk/src/dl-learner/org/dllearner

[<jen...@us...>]

Revision: 995
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=995&view=rev
Author:   jenslehmann
Date:     2008-06-30 07:37:58 -0700 (Mon, 30 Jun 2008)

Log Message:
-----------
descriptions can now be converted to OWL/XML making it easier for clients to use their structure

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/core/EvaluatedDescription.java
    trunk/src/dl-learner/org/dllearner/utilities/owl/OWLAPIRenderers.java

Modified: trunk/src/dl-learner/org/dllearner/core/EvaluatedDescription.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/core/EvaluatedDescription.java	2008-06-30 14:12:50 UTC (rev 994)
+++ trunk/src/dl-learner/org/dllearner/core/EvaluatedDescription.java	2008-06-30 14:37:58 UTC (rev 995)
@@ -25,9 +25,12 @@
 import org.dllearner.core.owl.Individual;
 import org.dllearner.kb.sparql.SparqlQueryDescriptionConvertVisitor;
 import org.dllearner.learningproblems.ScoreTwoValued;
+import org.dllearner.reasoning.OWLAPIDescriptionConvertVisitor;
+import org.dllearner.utilities.owl.OWLAPIRenderers;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
+import org.semanticweb.owl.model.OWLDescription;
 
 /**
  * This represents a class description, which has been
@@ -151,6 +154,8 @@
 		JSONObject object = new JSONObject();
 		try {
 			object.put("descriptionManchesterSyntax", description.toManchesterSyntaxString(null, null));
+			OWLDescription d = OWLAPIDescriptionConvertVisitor.getOWLDescription(description);
+			object.put("descriptionOWLXML", OWLAPIRenderers.toOWLXMLSyntax(d));
 			object.put("accuracy", score.getAccuracy());
 			object.put("coveredPositives", getJSONArray(score.getCoveredPositives()));
 			object.put("coveredNegatives", getJSONArray(score.getCoveredNegatives()));

Modified: trunk/src/dl-learner/org/dllearner/utilities/owl/OWLAPIRenderers.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/utilities/owl/OWLAPIRenderers.java	2008-06-30 14:12:50 UTC (rev 994)
+++ trunk/src/dl-learner/org/dllearner/utilities/owl/OWLAPIRenderers.java	2008-06-30 14:37:58 UTC (rev 995)
@@ -22,9 +22,13 @@
 import java.io.StringWriter;
 import java.net.URI;
 
+import org.coode.owlapi.owlxml.renderer.OWLXMLObjectRenderer;
+import org.coode.owlapi.owlxml.renderer.OWLXMLWriter;
+import org.coode.xml.XMLWriterNamespaceManager;
 import org.semanticweb.owl.apibinding.OWLManager;
 import org.semanticweb.owl.model.OWLDataFactory;
 import org.semanticweb.owl.model.OWLDescription;
+import org.semanticweb.owl.model.OWLObjectProperty;
 import org.semanticweb.owl.model.OWLOntologyManager;
 
 import uk.ac.manchester.cs.owl.mansyntaxrenderer.ManchesterOWLSyntaxObjectRenderer;
@@ -51,11 +55,32 @@
 		return sw.toString();
 	}
 	
+	/**
+	 * Converts an OWL API description to an OWL/XML syntax string.
+	 * 
+	 * @param description Input OWLDescription.
+	 * @return OWL/XML syntax string.
+	 */
+	public static String toOWLXMLSyntax(OWLDescription description) {
+		StringWriter sw = new StringWriter();
+		// set up default namespace and prefixes
+		XMLWriterNamespaceManager ns = new XMLWriterNamespaceManager("http://example.com");
+		ns.setPrefix("owl2", "http://www.w3.org/2006/12/owl2-xml#");
+		OWLXMLWriter oxw = new OWLXMLWriter(sw, ns);
+		OWLXMLObjectRenderer renderer = new OWLXMLObjectRenderer(oxw);
+		description.accept(renderer);
+		return sw.toString();
+	}	
+	
 	public static void main(String args[]) {
 		OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
 		OWLDataFactory factory = manager.getOWLDataFactory();
-		OWLDescription d = factory.getOWLClass(URI.create("http://example.com/test"));
-		String s = toManchesterOWLSyntax(d);
+		OWLDescription a1 = factory.getOWLClass(URI.create("http://example.com/test#a1"));
+		OWLDescription a2 = factory.getOWLClass(URI.create("http://example.com/test#a2"));
+		OWLObjectProperty r = factory.getOWLObjectProperty(URI.create("http://example.com/test#r"));
+		OWLDescription d3 = factory.getOWLObjectSomeRestriction(r, a2);
+		OWLDescription d = factory.getOWLObjectIntersectionOf(a1,d3);
+		String s = toOWLXMLSyntax(d);
 		System.out.println(s);
 	}
 }


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