From 9ce65c5a963b03ee97fe9cb6c5aa65a3c04a80a8 Mon Sep 17 00:00:00 2001
From: yzhou <yujiao.zhou@gmail.com>
Date: Tue, 21 Apr 2015 10:34:27 +0100
Subject: initial version

---
 src/org/semanticweb/simpleETL/SimpleETL.java | 71 ++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/org/semanticweb/simpleETL/SimpleETL.java

(limited to 'src/org/semanticweb/simpleETL/SimpleETL.java')

diff --git a/src/org/semanticweb/simpleETL/SimpleETL.java b/src/org/semanticweb/simpleETL/SimpleETL.java
new file mode 100644
index 0000000..4d4a193
--- /dev/null
+++ b/src/org/semanticweb/simpleETL/SimpleETL.java
@@ -0,0 +1,71 @@
+package org.semanticweb.simpleETL;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.util.regex.Pattern;
+
+import org.openrdf.rio.RDFParser;
+import org.openrdf.rio.RDFWriter;
+import org.openrdf.rio.rdfxml.RDFXMLParser;
+import org.openrdf.rio.turtle.TurtleWriter;
+
+import uk.ac.ox.cs.pagoda.util.Utility;
+
+public class SimpleETL {
+	
+	protected final static String m_prefix_LUBM = "http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl#";
+	protected final static String m_prefix_UOBM = "http://semantics.crl.ibm.com/univ-bench-dl.owl#";
+	protected final static String m_prefix_FLY= "http://www.virtualflybrain.org/ontologies/individual_neurons/FC_neuron_GF_an.owl#";
+
+	String m_prefix; 
+	String m_fileToImport;
+	String m_fileToExport; 
+	
+	public SimpleETL(String prefix, String fileToImport) {
+		m_prefix = prefix; 
+		m_fileToImport = fileToImport; 
+		m_fileToExport = m_fileToImport.replace(".owl", ".ttl"); 
+	}
+	
+	public SimpleETL(String prefix, String fileToImport, String outPath) {
+		m_prefix = prefix; 
+		m_fileToImport = fileToImport;
+		File file = new File(outPath); 
+		if (file.exists() && file.isDirectory())
+			m_fileToExport = outPath + Utility.FILE_SEPARATOR + "data.ttl"; 
+		else 
+			m_fileToExport = outPath; 
+//				+ Utility.FILE_SEPARATOR + m_fileToImport.substring(m_fileToImport.lastIndexOf(Utility.FILE_SEPARATOR), m_fileToImport.lastIndexOf(".")) + ".ttl"; 
+	}
+	
+	public void rewrite() throws Exception {
+//		RDFParser parser = new TurtleParser();
+		RDFParser parser = new RDFXMLParser(); 
+		
+		RDFWriter writer = new TurtleWriter(new FileOutputStream(m_fileToExport));
+		
+//		String m_fileToExport = m_fileToImport.replace(".owl", ".ntriple"); 
+//		RDFWriter writer = new NTriplesWriter(new FileOutputStream(m_fileToExport));
+		
+		RDFHandlerWriter multiHandler = new RDFHandlerWriter(writer);
+		parser.setRDFHandler(multiHandler);
+		File fileToImport = new File(m_fileToImport);
+		if(fileToImport.isDirectory()) {
+			for(File file : fileToImport.listFiles()) {
+				if(file.isFile() && (Pattern.matches(".*.owl", file.getName()) || Pattern.matches(".*.rdf", file.getName()))) {
+					Utility.logDebug("Parsing " + file.getName());
+					parser.parse(new FileInputStream(file), m_prefix);
+				}
+			}
+		}
+		else
+			parser.parse(new FileInputStream(fileToImport), m_prefix);
+		writer.endRDF();
+		Utility.logInfo("SimpleETL rewriting DONE", 
+				"additional ontology data is saved in " + m_fileToExport + "."); 
+	}
+	
+	public String getExportedFile() {
+		return m_fileToExport; 
+	}
+}
-- 
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