public Product Map(XmlReader reader)
{
if(reader == null)
throw new ArgumentNullException("XML reader used when mapping cannot be null.");
if(reader.Name != "product")
throw new InvalidOperationException("XML reader is not on a product fragment.");
var product = new Product();
product.Id = int.Parse(reader.GetAttribute("id"));
product.Name = reader.GetAttribute("name");
product.UnitPrice = decimal.Parse(reader.GetAttribute("unitPrice"));
product.Discontinued = bool.Parse(reader.GetAttribute("discontinued"));
return product;
}
public List<Product> ReadProducts(string fileName)
{
var products = new List<Product>();
using (var fs = new FileStream(fileName, FileMode.Open))
{
var reader = XmlReader.Create(fs);
while (reader.Read())
{
if (reader.Name != "product")
{
continue;
}
var product = new Product(
reader.GetAttribute("id"),
reader.GetAttribute("name"),
reader.GetAttribute("unitPrice"),
reader.GetAttribute("discontinued"));
products.Add(product);
}
}
return products;
}