@Override
        public void characters(final char[] ch, final int offset, final int length) {
            buffer.append(new String(ch, offset, length));
        }

        @Override
        public void endElement(final String uri, final String localName, final String qName) {
            if ("field".equals(qName)) {
                if (fieldName != null) {
                    final Object obj = dataMap.get(fieldName);