[DL-Learner SVN] SF.net SVN: dl-learner: [251] trunk/src/dl-learner/org/dllearner

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

Revision: 251
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=251&view=rev
Author:   jenslehmann
Date:     2007-10-19 04:48:42 -0700 (Fri, 19 Oct 2007)

Log Message:
-----------
implemented export function for internal KB format

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/cli/Start.java
    trunk/src/dl-learner/org/dllearner/kb/KBFile.java
    trunk/src/dl-learner/org/dllearner/reasoning/KAON2Reasoner.java

Modified: trunk/src/dl-learner/org/dllearner/cli/Start.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/cli/Start.java	2007-10-19 09:53:14 UTC (rev 250)
+++ trunk/src/dl-learner/org/dllearner/cli/Start.java	2007-10-19 11:48:42 UTC (rev 251)
@@ -174,7 +174,7 @@
 		initComponent(cm, la);
 
 		// perform file exports
-		performExports(parser, baseDir, rs);
+		performExports(parser, baseDir, sources, rs);
 
 		// show examples (display each one if they do not take up much space,
 		// otherwise just show the number of examples)
@@ -375,25 +375,40 @@
 		return importedFiles;
 	}
 
-	private static void performExports(ConfParser parser, String baseDir, ReasoningService rs) {
+	private static void performExports(ConfParser parser, String baseDir, Set<KnowledgeSource> sources, ReasoningService rs) {
 		List<List<String>> exports = parser.getFunctionCalls().get("export");
+
 		if (exports == null)
 			return;
+		
+		File file = null;
+		OntologyFileFormat format = null;		
 		for (List<String> export : exports) {
-			File file = new File(baseDir, export.get(0));
+			file = new File(baseDir, export.get(0));
 			if (export.size() == 1)
 				// use RDF/XML by default
-				rs.saveOntology(file, OntologyFileFormat.RDF_XML);
+				format = OntologyFileFormat.RDF_XML;
+				// rs.saveOntology(file, OntologyFileFormat.RDF_XML);
 			else {
 				String formatString = export.get(1);
-				OntologyFileFormat format;
+				// OntologyFileFormat format;
 				if (formatString.equals("RDF/XML"))
 					format = OntologyFileFormat.RDF_XML;
 				else
 					format = OntologyFileFormat.N_TRIPLES;
-				rs.saveOntology(file, format);
+				// rs.saveOntology(file, format);
 			}
 		}
+		// hack: ideally we would have the possibility to export each knowledge
+		// source to specified files with specified formats (and maybe including 
+		// the option to merge them all in one file)
+		// however implementing this requires quite some effort so for the
+		// moment we just stick to exporting KB files (moreover all but the last
+		// export statement are ignored)
+		for(KnowledgeSource source : sources) {
+			if(source instanceof KBFile)
+				((KBFile)source).export(file, format);
+		}
 	}
 
 	private static void processCLIOptions(ComponentManager cm, ConfParser parser,

Modified: trunk/src/dl-learner/org/dllearner/kb/KBFile.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/KBFile.java	2007-10-19 09:53:14 UTC (rev 250)
+++ trunk/src/dl-learner/org/dllearner/kb/KBFile.java	2007-10-19 11:48:42 UTC (rev 251)
@@ -36,6 +36,10 @@
 import org.dllearner.parser.KBParser;
 import org.dllearner.parser.ParseException;
 import org.dllearner.reasoning.DIGConverter;
+import org.dllearner.reasoning.KAON2Reasoner;
+import org.semanticweb.kaon2.api.KAON2Exception;
+import org.semanticweb.kaon2.api.formatting.OntologyFileFormat;
+import org.semanticweb.kaon2.api.reasoner.Reasoner;
 
 /**
  * @author Jens Lehmann
@@ -112,6 +116,28 @@
 			return kb.toString();
 	}
 	
+	public void export(File file, org.dllearner.kb.OntologyFileFormat format) {
+		Reasoner kaon2Reasoner = KAON2Reasoner.getKAON2Reasoner(kb);
+		
+		String kaon2Format = "";
+		if(format.equals(org.dllearner.kb.OntologyFileFormat.RDF_XML))
+			kaon2Format = OntologyFileFormat.OWL_RDF;
+		else {
+			System.err.println("Warning: Cannot export format " + format + ". Exiting.");
+			System.exit(0);
+		}
+		
+		try {
+			kaon2Reasoner.getOntology().saveOntology(kaon2Format,file,"ISO-8859-1");
+		} catch (KAON2Exception e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}		
+	}
+	
 	public URL getURL() {
 		return url;
 	}

Modified: trunk/src/dl-learner/org/dllearner/reasoning/KAON2Reasoner.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/reasoning/KAON2Reasoner.java	2007-10-19 09:53:14 UTC (rev 250)
+++ trunk/src/dl-learner/org/dllearner/reasoning/KAON2Reasoner.java	2007-10-19 11:48:42 UTC (rev 251)
@@ -586,7 +586,24 @@
 		throw new IllegalArgumentException("Unsupported concept type.");
 	}
 
-	private org.semanticweb.kaon2.api.reasoner.Reasoner getKAON2Reasoner(KB kb,
+	public static org.semanticweb.kaon2.api.reasoner.Reasoner getKAON2Reasoner(KB kb) {
+		try {
+			KAON2Connection connection = KAON2Manager.newConnection();
+			
+			DefaultOntologyResolver resolver = new DefaultOntologyResolver();
+			resolver.registerReplacement("http://localhost/foo", "file:nothing.xml");
+			connection.setOntologyResolver(resolver);
+			Ontology ontology = connection.createOntology("http://localhost/foo",
+							new HashMap<String, Object>());
+			return getKAON2Reasoner(kb, ontology);
+			
+		} catch (KAON2Exception e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+	
+	private static org.semanticweb.kaon2.api.reasoner.Reasoner getKAON2Reasoner(KB kb,
 			Ontology ontology) {
 
 		org.semanticweb.kaon2.api.reasoner.Reasoner reasoner = null;


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