Extract tables from Microsoft Office Word documents Leave feedback

// Create an instance of Parser class
try (Parser parser = new Parser(Constants.SampleDocx)) {
    // Extract text structure to the XML reader
    Document document = parser.getStructure();
    // Read XML document
    readNode(document.getDocumentElement());
}

private static void readNode(Node node) {
    NodeList nodes = node.getChildNodes();
    // Iterate over the child nodes
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.item(i);
        // If it's a table
        if (n.getNodeName().toLowerCase() == "table") {
            System.out.println("table");
            // Process node
            processNode(n);
        }
        readNode(n);
    }
}
private static void processNode(Node node) {
    NodeList nodes = node.getChildNodes();
    // Iterate over the child nodes
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.item(i);
        switch (n.getNodeName().toLowerCase()) {
            // In the case of a row or cell
            case "tr":
            case "td": {
                // Print the name
                System.out.println(n.getNodeName());
                // Process sub-nodes
                processNode(n);
                System.out.println();
                System.out.println("/" + n.getNodeName());
                break;
            }
            default:
                // Print the node value (if it's not null)
                String value = n.getNodeValue();
                if(value != null) {
                    System.out.print(value);
                }
                processNode(n);
                break;
        }
    }
}