public static IBindingSyntax MapKey <T>(this IBindingNamedSyntax <T> binding, string key)
{
IBindingSyntax bindingSyntax = binding;
if (!string.IsNullOrEmpty(key))
{
bindingSyntax = binding.Named(key);
}
return(bindingSyntax);
}
/// <summary>
/// Defines a named binding with the name taken from the factory method used to create instances.
/// </summary>
/// <typeparam name="TInterface">The type of the interface.</typeparam>
/// <typeparam name="TFactory">¨The type of the factory.</typeparam>
/// <param name="syntax">The syntax.</param>
/// <param name="action">Expression defining the factory method used to get the binding name from.</param>
/// <returns>
/// The <see cref="IBindingWithOrOnSyntax{TInterface}"/> to configure more things for the binding.
/// </returns>
public static IBindingWithOrOnSyntax <TInterface> NamedLikeFactoryMethod <TInterface, TFactory>(this IBindingNamedSyntax <TInterface> syntax, Expression <Action <TFactory> > action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
var methodCallExpression = action.Body as MethodCallExpression;
if (methodCallExpression == null)
{
throw new ArgumentException("expected factory method instead of " + action, "action");
}
var methodName = methodCallExpression.Method.Name;
if (!methodName.StartsWith("Get"))
{
throw new ArgumentException("expected factory 'Get' method instead of " + action, "action");
}
var bindingName = methodName.Substring(3);
return(syntax.Named(bindingName));
}
