public MetadataRecord metadataRecordFrom(String recordContents) throws XMLStreamException {
   try {
     Reader reader = new StringReader(recordContents);
     XMLStreamReader2 input = (XMLStreamReader2) inputFactory.createXMLStreamReader(reader);
     GroovyNode rootNode = null, node = null;
     StringBuilder value = new StringBuilder();
     while (true) {
       switch (input.getEventType()) {
         case XMLEvent.START_DOCUMENT:
           break;
         case XMLEvent.START_ELEMENT:
           node =
               new GroovyNode(
                   node, input.getNamespaceURI(), input.getLocalName(), input.getPrefix());
           if (rootNode == null) {
             rootNode = node;
           }
           if (input.getAttributeCount() > 0) {
             for (int walk = 0; walk < input.getAttributeCount(); walk++) {
               QName attributeName = input.getAttributeName(walk);
               if (attributeName.getPrefix() == null || attributeName.getPrefix().isEmpty()) {
                 node.attributes()
                     .put(attributeName.getLocalPart(), input.getAttributeValue(walk));
               } else {
                 node.attributes()
                     .put(
                         String.format(
                             "%s:%s", attributeName.getPrefix(), attributeName.getLocalPart()),
                         input.getAttributeValue(walk));
               }
             }
           }
           value.setLength(0);
           break;
         case XMLEvent.CHARACTERS:
           value.append(input.getText());
           break;
         case XMLEvent.CDATA:
           value.append(String.format("<![CDATA[%s]]>", input.getText()));
           break;
         case XMLEvent.END_ELEMENT:
           if (node == null) throw new RuntimeException("Node cannot be null");
           String valueString = value.toString().trim();
           value.setLength(0);
           if (valueString.length() > 0) node.setNodeValue(valueString);
           node = node.parent();
           break;
         case XMLEvent.END_DOCUMENT:
           {
             break;
           }
       }
       if (!input.hasNext()) {
         break;
       }
       input.next();
     }
     return MetadataRecord.create(rootNode, -1, -1);
   } catch (WstxParsingException e) {
     throw new XMLStreamException("Problem parsing record:\n" + recordContents, e);
   }
 }
 public MetadataRecord fromGroovyNode(GroovyNode rootNode, int recordNumber, int recordCount) {
   return MetadataRecord.create(rootNode, recordNumber, recordCount);
 }