Transformer transformer = factory.newTransformer()
            if (indent) {
                transformer.setOutputProperty(OutputKeys.INDENT, "yes")
            }
            transformer.setOutputProperty(OutputKeys.METHOD, "xml")
            transformer.setOutputProperty(OutputKeys.MEDIA_TYPE, "text/xml")
            transformer.transform(new DOMSource(root), new StreamResult(stream))
        }
    }

        final javax.xml.transform.Transformer transformer = tf.newTransformer();
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.setOutputProperty(OutputKeys.INDENT, "no");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");

        final StringWriter writer = new StringWriter();
        final StreamResult result = new StreamResult(writer);