Bookstore.BooksImporter.BooksImporterUI.SimpleBooksImport C# (CSharp) Метод

        static void SimpleBooksImport(BooksDAO booksDao, string xmlFilePath)
        {
            XmlDocument catalogDocument = new XmlDocument();
            catalogDocument.Load(xmlFilePath);
            string xPathQuery = "/catalog/book";
            XmlNodeList bookNodesList = catalogDocument.SelectNodes(xPathQuery);
            foreach (XmlNode bookNode in bookNodesList)
            {
                string author = GetInnerXml(bookNode, "author").Trim();
                string title = GetInnerXml(bookNode, "title").Trim();
                string isbn = GetInnerXml(bookNode, "isbn");
                if (isbn != null)
                {
                    isbn = isbn.Trim();
                }

                string webSite = GetInnerXml(bookNode, "web-site");
                if (webSite != null)
                {
                    webSite = webSite.Trim();
                }

                decimal? price = null;
                string priceAsString = GetInnerXml(bookNode, "price");
                if (priceAsString != null)
                {
                    price = decimal.Parse(priceAsString);
                }

                booksDao.SimpleImportOfBook(author, title, isbn, price, webSite);
            }
        }