xpath to report maven project version as parsed from pom.xml

gistfile1.txt

  public static void main(String[] args) throws Exception {
    String uri = "pom.xml";
    if (args.length > 0) {
      uri = args[0];
    }
    String path = "/project/version/text()";
    if (args.length > 1) {
      path = args[1];
    }
    if (!path.startsWith("/")) {
      // grody
      // https://stackoverflow.com/questions/39632924/git-bash-is-adding-its-current-path-to-one-of-the-parameter
      path = "/" + path;
    }
//    System.err.println(String.format("%s %s", uri, path));
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.parse(uri);
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    XPathExpression expr = xpath.compile(path);
    String result = expr.evaluate(doc);
    System.out.println(result);
  }