Конвертация DOCX в HTML на Java

HWPFDocument document = new HWPFDocument(new FileInputStream(fileChooser.showOpenDialog(primaryStage)));
						Document newDocument =  (Document) DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
						WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter((org.w3c.dom.Document) newDocument) ;
						wordToHtmlConverter.processDocument(document);	
						StringWriter stringWriter = new StringWriter();
						Transformer transformer = TransformerFactory.newInstance().newTransformer();
						transformer.setOutputProperty(OutputKeys.INDENT, "yes");
						transformer.setOutputProperty(OutputKeys.ENCODING, "utf-8");
						transformer.setOutputProperty(OutputKeys.METHOD, "html");
						transformer.transform(new DOMSource( wordToHtmlConverter.getDocument()), new StreamResult( stringWriter ) );
						String html = stringWriter.toString();
						FileOutputStream fos=new FileOutputStream(new File("example.html"));        
						BufferedWriter out = new BufferedWriter(new OutputStreamWriter(fos,"UTF-8")); 
						out.write(html);
						out.close();