public string Convert(IXmlFormattable xmlFormattable)
{
if (!(xmlFormattable is Product))
{
throw new Exception();
}
var product = (Product)xmlFormattable;
StringBuilder xml = new StringBuilder();
xml.Append("<product");
xml.Append(" id='");
xml.Append(product.Id);
xml.Append("'");
xml.Append(" color='");
xml.Append(product.Color);
xml.Append("'");
if (!(product.Size is NotApplicableSize))
{
xml.Append(" size='");
xml.Append(product.Size.Name);
xml.Append("'");
}
xml.Append(">");
xml.Append("<price");
xml.Append(" currency='");
xml.Append(product.Cost.Amount);
xml.Append("'>");
xml.Append(product.Cost.Currency);
xml.Append("</price>");
xml.Append(product.Name);
xml.Append("</product>");
return(xml.ToString());
}
public string Convert(IXmlFormattable xmlFormattable)
{
if (!(xmlFormattable is Orders))
{
throw new Exception();
}
var orders = (Orders)xmlFormattable;
StringBuilder xml = new StringBuilder();
xml.Append("<orders>");
for (int i = 0; i < orders.OrderCount(); i++)
{
Order order = orders.Order(i);
xml.Append(order.Format());
}
xml.Append("</orders>");
return(xml.ToString());
}
public string Convert(IXmlFormattable xmlFormattable)
{
if (!(xmlFormattable is Order))
{
throw new Exception();
}
var order = (Order)xmlFormattable;
StringBuilder xml = new StringBuilder();
xml.Append("<order");
xml.Append(" id='");
xml.Append(order.Id);
xml.Append("'>");
for (int j = 0; j < order.ProductCount(); j++)
{
IXmlFormattable product = order.Product(j);
xml.Append(product.Format());
}
xml.Append("</order>");
return(xml.ToString());
}