dotnet add package SharpAspect

Defining & Mapping your Interceptors

Method Interception

publicclassLogAttribute:MethodInterceptorAttribute{}// You must specify the attribute for the interceptor.[InterceptFor(typeof(LogAttribute))]publicclassLogInterceptor:MethodInterceptor{privatereadonlyLoggerlogger;// The Logger dependency will be resolved using Microsoft's DI containerpublicLogInterceptor(Loggerlogger){this.logger=logger;}// MethodInterceptor class provides OnBefore, OnAfter and OnError methods.// You can override these methods to seperate the logic you don't want in your actual method.publicoverrideTaskOnBefore(IInvocationinvocation){logger.LogInfo($"[Log] Executing method:{invocation.TargetType.FullName}.{invocation.Method.Name}");returnTask.FromResult(Task.CompletedTask);}}

publicclassLogger{publicvoidLogInfo(stringmessage){System.Console.WriteLine($"[+]{message}");}}

Registering your services

privatestaticIServiceProviderConfigureServices(){returnnewServiceCollection().AddSingleton<Logger>().AddTransient<IRocket,Rocket>()// Call this, after you registered your services..EnableDynamicProxy().BuildServiceProvider();}

publicinterfaceIRocket{stringName{get;set;}voidLaunch();}// Enabled interception for service type IRocket[Intercept(typeof(IRocket))]publicclassRocket:IRocket{publicstringName{get;set;}[Log]publicvoidLaunch(){System.Console.WriteLine("Launching rocket in 3...2.....1 🚀");}}

staticvoidMain(string[]args){varservices=ConfigureServices();varrocket=services.GetRequiredService<IRocket>();rocket.Name="Falcon 9";rocket.Launch();System.Console.WriteLine($"{rocket.Name} launched successfully. (:");}

Sample Output

[+] [Log] Executing method: SharpAspect.Sample.Rocket.LaunchLaunching rocketin 3...2.....1 🚀Falcon 9 launched successfully. (: