[DL-Learner SVN] SF.net SVN: dl-learner:[3818] trunk/components-core/src/main/java/org/ dllearner/utilities/SPARULTranslator.java

[<lor...@us...>]

Revision: 3818
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=3818&view=rev
Author:   lorenz_b
Date:     2012-08-08 12:41:16 +0000 (Wed, 08 Aug 2012)
Log Message:
-----------
Added converter from OWLOntologyChange to SPARUL.

Added Paths:
-----------
    trunk/components-core/src/main/java/org/dllearner/utilities/SPARULTranslator.java

Added: trunk/components-core/src/main/java/org/dllearner/utilities/SPARULTranslator.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/utilities/SPARULTranslator.java	                        (rev 0)
+++ trunk/components-core/src/main/java/org/dllearner/utilities/SPARULTranslator.java	2012-08-08 12:41:16 UTC (rev 3818)
@@ -0,0 +1,83 @@
+package org.dllearner.utilities;
+
+import java.util.List;
+
+import org.coode.owlapi.rdf.model.AbstractTranslator;
+import org.coode.owlapi.rdf.model.RDFLiteralNode;
+import org.coode.owlapi.rdf.model.RDFNode;
+import org.coode.owlapi.rdf.model.RDFResourceNode;
+import org.semanticweb.owlapi.model.IRI;
+import org.semanticweb.owlapi.model.OWLLiteral;
+import org.semanticweb.owlapi.model.OWLOntology;
+import org.semanticweb.owlapi.model.OWLOntologyChange;
+import org.semanticweb.owlapi.model.OWLOntologyManager;
+import org.semanticweb.owlapi.model.RemoveAxiom;
+
+public class SPARULTranslator extends AbstractTranslator<RDFNode, RDFResourceNode, RDFResourceNode, RDFLiteralNode> {
+
+	private StringBuilder sb;
+	
+	public SPARULTranslator(OWLOntologyManager manager, OWLOntology ontology,
+			boolean useStrongTyping) {
+		super(manager, ontology, useStrongTyping);
+		// TODO Auto-generated constructor stub
+	}
+	
+	public String translate(OWLOntologyChange change){
+		sb = new StringBuilder();
+		sb.append(change instanceof RemoveAxiom ? "DELETE DATA" : "INSERT DATA");
+		sb.append("{");
+		change.getAxiom().accept(this);
+		sb.append("}");
+		sb.append("\n");
+		
+		return sb.toString();
+	}
+	
+	public String translate(List<OWLOntologyChange> changes){
+		sb = new StringBuilder();
+		for(OWLOntologyChange change : changes){
+			sb.append(change instanceof RemoveAxiom ? "DELETE DATA" : "INSERT DATA");
+			sb.append("{");
+			change.getAxiom().accept(this);
+			sb.append("}");
+			sb.append("\n");
+		}
+		
+		return sb.toString();
+	}
+
+	@Override
+	protected void addTriple(RDFResourceNode subject, RDFResourceNode pred,
+			RDFNode object) {
+		sb.append(subject).append(" ").append(pred).append(" ").append(object).append("\n");
+		
+	}
+
+	@Override
+	protected RDFResourceNode getAnonymousNode(Object key) {
+		return new RDFResourceNode(System.identityHashCode(key));
+	}
+
+	@Override
+	protected RDFResourceNode getPredicateNode(IRI iri) {
+		return new RDFResourceNode(iri);
+	}
+
+	@Override
+	protected RDFResourceNode getResourceNode(IRI iri) {
+		return new RDFResourceNode(iri);
+	}
+
+	@Override
+	protected RDFLiteralNode getLiteralNode(OWLLiteral literal) {
+		if(literal.getDatatype() != null){
+			return new RDFLiteralNode(literal.toString(), literal.getDatatype().getIRI());
+		} else {
+			return new RDFLiteralNode(literal.toString(), literal.getLang());
+		}
+		
+	}
+
+
+}

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