public static String prettyXml(String xmlContent)
      throws IOException, TransformerFactoryConfigurationError, TransformerException, SAXException,
      ParserConfigurationException {
    Document doc = createDocumentFromXml(xmlContent);
    return prettyXml(doc);
  }
*
Convert the xmlString to pretty well formatted xmlString

@return pretty xml string
geode-core/src/main/java/org/apache/geode/management/internal/configuration/utils/XmlUtils.java