public static IComputerManufacturer GetManufacturer(string manufacturerName)
{
IComputerManufacturer manufacturer;
switch (manufacturerName)
{
case GlobalConstants.HpName:
{
manufacturer = new HpManufacturer();
break;
}
case GlobalConstants.DellName:
{
manufacturer = new DellManufacturer();
break;
}
default:
{
throw new InvalidArgumentException("Invalid manufacturer name");
}
}
return(manufacturer);
}
public Manufacturer Create(string manufacturer)
{
Manufacturer computerFactory;
if (manufacturer == HP)
{
computerFactory = new HpManufacturer();
}
else if (manufacturer == Dell)
{
computerFactory = new DellManufacturer();
}
else if (manufacturer == Lenovo)
{
computerFactory = new LenovoManufacturer();
}
else
{
throw new ArgumentException(InvalidManufacturerMessage);
}
return(computerFactory);
}
