/// <summary>
/// Loads the DLL's and scans their types using Reflection. If a class implementing
/// <see cref="ITypeRegistrar"/> is found, it is executed, thus adding these types to
/// the DI container.
/// </summary>
/// <param name="services">The <see cref="IServiceCollection"/> to register the types in.</param>
/// <param name="inheritedTypesRegistry">The <see cref="IInheritedTypesRegistry"/>> to resolve inherited types.</param>
/// <param name="dllFiles">The paths of all dll files to scan.</param>
public static void LoadConfiguredTypesFromFiles(
this IServiceCollection services, IInheritedTypesRegistry inheritedTypesRegistry, IEnumerable <string> dllFiles)
{
var container = new TypeRegistrationContainer(services);
foreach (var dllFile in dllFiles)
{
LoadAssembly(container, inheritedTypesRegistry, dllFile);
}
}
private static void LoadAssembly(ITypeRegistrationContainer container, IInheritedTypesRegistry inheritedTypesRegistry, string dllFile)
{
var assembly = Assembly.LoadFile(dllFile);
var types = assembly.GetTypes();
foreach (var registrarType in types
.Where(t => typeof(ITypeRegistrar).IsAssignableFrom(t) && t.IsClass && !t.IsAbstract))
{
RunRegistrar(container, registrarType);
}
foreach (var typeRegistrarType in types
.Where(t => typeof(IInheritedTypeRegistrar).IsAssignableFrom(t) && t.IsClass && !t.IsAbstract))
{
RunInheritedTypesRegistrar(inheritedTypesRegistry, typeRegistrarType);
}
}
public void RegisterInheritedTypes(IInheritedTypesRegistry registry)
{
registry.RegisterInheritedType <Toy, Marble>("Marble");
}
private static void RunInheritedTypesRegistrar(IInheritedTypesRegistry typeRegistry, Type typeRegistrarType)
{
var registrar = (IInheritedTypeRegistrar)Activator.CreateInstance(typeRegistrarType);
registrar.RegisterInheritedTypes(typeRegistry);
}
public void RegisterInheritedTypes(IInheritedTypesRegistry registry)
{
registry.RegisterInheritedType <Toy, LegoSet>("LegoSet");
}
