Castle.MonoRail.Framework.Helpers.FormHelper.QueryPropertyInfoRecursive C# (CSharp) Method

		private PropertyInfo QueryPropertyInfoRecursive(Type type, string[] propertyPath, int piece, Action<PropertyInfo> action)
		{
			string property = propertyPath[piece]; int index;

			bool isIndexed = CheckForExistenceAndExtractIndex(ref property, out index);

			PropertyInfo propertyInfo = type.GetProperty(property, ResolveFlagsToUse(type));

			if (propertyInfo == null)
			{
				if (logger.IsErrorEnabled)
				{
					logger.Error("No public property '{0}' found on type '{1}'", property, type.FullName);
				}

				return null;
			}

			if (!propertyInfo.CanRead)
			{
				throw new BindingException("Property '{0}' for type '{1}' can not be read",
					propertyInfo.Name, type.FullName);
			}

			if (propertyInfo.GetIndexParameters().Length != 0)
			{
				throw new BindingException("Property '{0}' for type '{1}' has indexes, which are not supported",
					propertyInfo.Name, type.FullName);
			}

			if (action != null)
			{
				action(propertyInfo);
			}

			type = propertyInfo.PropertyType;

			if (typeof(ICollection).IsAssignableFrom(type))
			{
				return null;
			}

			if (isIndexed)
			{
				if (type.IsGenericType)
				{
					Type[] args = type.GetGenericArguments();
					if (args.Length != 1)
						throw new BindingException("Expected the generic indexed property '{0}' to be of 1 element", type.Name);
					type = args[0];
				}

				if (type.IsArray)
				{
					type = type.GetElementType();
				}
			}

			if (piece + 1 == propertyPath.Length)
			{
				return propertyInfo;
			}

			return QueryPropertyInfoRecursive(type, propertyPath, piece + 1, action);
		}