fixed a bug in simpleETL -- closing a FileOutputStream

1 files changed, 20 insertions, 14 deletions

diff --git a/src/org/semanticweb/simpleETL/SimpleETL.java b/src/org/semanticweb/simpleETL/SimpleETL.java
index 4d4a193..8dcd87a 100644
--- a/src/org/semanticweb/simpleETL/SimpleETL.java
+++ b/src/org/semanticweb/simpleETL/SimpleETL.java
@@ -42,25 +42,31 @@ public class SimpleETL {
 //              RDFParser parser = new TurtleParser();
                 RDFParser parser = new RDFXMLParser(); 
                 
-                RDFWriter writer = new TurtleWriter(new FileOutputStream(m_fileToExport));
+                FileOutputStream fos = new FileOutputStream(m_fileToExport); 
+                try {
+                        RDFWriter writer = new TurtleWriter(fos);
                 
-//              String m_fileToExport = m_fileToImport.replace(".owl", ".ntriple"); 
-//              RDFWriter writer = new NTriplesWriter(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);
+                        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();
+                }
+                finally {
+                        fos.close();
                 }
-                else
-                        parser.parse(new FileInputStream(fileToImport), m_prefix);
-                writer.endRDF();
                 Utility.logInfo("SimpleETL rewriting DONE", 
                                 "additional ontology data is saved in " + m_fileToExport + "."); 
         }