Convert a String into an Element

Convert a String into an InputStream

   DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

   StringBuffer stringBuffer1 = new StringBuffer("2008-12-03T13:24:00.408+02:00");
   ByteArrayInputStream bis1 = new ByteArrayInputStream(stringBuffer1.toString()
                                                                       .getBytes("UTF-8"));

Convert an InputStream into Document
    DocumentBuilder builder = factory.newDocumentBuilder();
   Document document = builder.parse(bis1);

As a result of Element

   org.w3c.dom.Element messageElement = document.getDocumentElement();