/// <summary>
/// Helper method to find the Property <c>get</c>.
/// </summary>
/// <param name="type">The <see cref="System.Type"/> to find the Property in.</param>
/// <param name="propertyName">The name of the mapped Property to get.</param>
/// <returns>
/// The <see cref="BasicGetter"/> for the Property <c>get</c> or <see langword="null" />
/// if the Property could not be found.
/// </returns>
internal static BasicGetter GetGetterOrNull(System.Type type, string propertyName)
{
if (type == typeof(object) || type == null)
{
// the full inheritance chain has been walked and we could
// not find the Property get
return(null);
}
PropertyInfo property =
type.GetProperty(propertyName,
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly);
if (property != null && property.CanRead)
{
return(new BasicGetter(type, property, propertyName));
}
else
{
// recursively call this method for the base Type
BasicGetter getter = GetGetterOrNull(type.BaseType, propertyName);
// didn't find anything in the base class - check to see if there is
// an explicit interface implementation.
if (getter == null)
{
System.Type[] interfaces = type.GetInterfaces();
for (int i = 0; getter == null && i < interfaces.Length; i++)
{
getter = GetGetterOrNull(interfaces[i], propertyName);
}
}
return(getter);
}
}
/// <summary>
/// Create a <see cref="BasicGetter"/> for the mapped property.
/// </summary>
/// <param name="type">The <see cref="System.Type"/> to find the Property in.</param>
/// <param name="propertyName">The name of the mapped Property to get.</param>
/// <returns>
/// The <see cref="BasicGetter"/> to use to get the value of the Property from an
/// instance of the <see cref="System.Type"/>.</returns>
/// <exception cref="PropertyNotFoundException" >
/// Thrown when a Property specified by the <c>propertyName</c> could not
/// be found in the <see cref="System.Type"/>.
/// </exception>
public IGetter GetGetter(System.Type type, string propertyName)
{
BasicGetter result = GetGetterOrNull(type, propertyName);
if (result == null)
{
throw new PropertyNotFoundException(type, propertyName, "getter");
}
return(result);
}
