for (final Map.Entry<String, String> entry : fieldRuleMap.entrySet()) {
                final List<String> nodeStrList = new ArrayList<>();
                try {
                    final XPathNodes nodeList = getNodeList(doc, entry.getValue());
                    for (int i = 0; i < nodeList.size(); i++) {
                        final Node node = nodeList.get(i);
                        nodeStrList.add(node.getTextContent());