code: public static void loadDocument(String xml, String xsd, DOMHandler handler) throws IOException, InvalidArgumentException, SAXException, ParserConfigurationException, Exception {
  		loadDocument(xml, xsd, handler, DEFAULT_VALIDATE_XML);		
  	}
docs: Parses an XML document and passes it on to the given handler, or to
  a lambda expression for handling; it does not perform validation.
  
  @param xml
  the URL of the XML to parse, as a string.
  @param xsd
  the URL of the XML's schema definition, as a string.
  @param handler
  the handler that will handle the document.
  @throws IOException
  @throws InvalidArgumentException
  @throws SAXException
  @throws ParserConfigurationException
  @throws Exception
  any handler-related exceptions.