<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0">
    <xsl:template match="/">
        <root>
            <xsl:apply-templates select="//text:section"/>
        </root>
    </xsl:template>
    <xsl:template match="text:section">
        <comment>
            <xsl:apply-templates/>
        </comment>
    </xsl:template>
</xsl:stylesheet>

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            factory.setNamespaceAware(true);
            File stylesheet = new File(style);
            File datafile = new File(data);
            DocumentBuilder builder = factory.newDocumentBuilder();
            document = builder.parse(datafile);
            TransformerFactory tFactory = TransformerFactory.newInstance();

            StreamSource stylesource = new StreamSource(stylesheet);                 //
            Transformer transformer = tFactory.newTransformer(stylesource);         //ads styling information to the transformation
            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");            //sets the encoding declared in xml-file
            if (sys != null) {
                // transformer.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, sys); //sets the system dtd
                // transformer.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, pub);  //sets the public dtd
            }
            DOMSource source = new DOMSource(document);
            File fout = new File(result);                       //creates output file
            StreamResult result1 = new StreamResult(new PrintWriter(fout, "UTF-8"));   //ensures that file is writen in a certain encoding (should match the encoding declared earlier)
            transformer.transform(source, result1);