static void Main(string[] args)
{
IHost host = new HostBuilder().ConfigureHostConfiguration(config =>
{
config.AddEnvironmentVariables();
config.AddCommandLine(args);
}).ConfigureAppConfiguration((context, builder) =>
{
builder.SetBasePath(AppContext.BaseDirectory)
.AddJsonFile("appsettings.json", optional: true);
}).ConfigureServices((builder, services) =>
{
//Adds a Digest Provider
services.AddScoped <HashAlgorithm, SHA512Managed>();
var injectableInterfaces = InjectionSystem.CurrentlyLoadedAssemblies()
.GetTypesWithAttribute <InjectableInterfaceAttribute>();
var injectableImplementations = InjectionSystem.CurrentlyLoadedAssemblies()
.GetTypesWithAttribute <InjectableImplementationAttribute>();
foreach (var injectableInterface in injectableInterfaces)
{
var matchingTypes = injectableImplementations.Where(t => injectableInterface.IsAssignableFrom(t));
if (matchingTypes.Count() == 0)
{
Console.Error.WriteLine($"Could not find injectable implementation for {injectableInterface.FullName}.");
}
foreach (var matchingType in matchingTypes)
{
if (typeof(ICustomService).IsAssignableFrom(matchingType))
{
typeof(ServiceCollectionHostedServiceExtensions)
.GetMethods(BindingFlags.Static | BindingFlags.Public)
.Where(mi => mi.GetParameters().Length == 1)
.SingleOrDefault().MakeGenericMethod(matchingType).Invoke(null, new [] { services });
}
else
{
var servDesc = new ServiceDescriptor(injectableInterface, matchingType, ServiceLifetime.Scoped);
services.Add(servDesc);
}
}
}
}).Build();
//Recursively injects required constructor parameters and starts the
host.Run();
}
