feat: add json property path supports for object keys

Rename internal types in the validation to be more consistent with other
projects

CHANGELOG.md

@@ -26,14 +26,28 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - **request.dispatcher:** Reset type caches when reloading assemblies
 - **request.validation:** Reset type caches when reloading assemblies
 
+## [2.0.0] - 2026-05-30
+
+## Breaking changes
+
+To have a consistent experience across all packages, some public interfaces have been renamed.
+
+### Changed
+
+- **request.dispatcher:** Hide pipeline internals in stack frames
+- **request.validation:** Rename `IValidatorBuilder` to `IRequestValidatorBuilder` incl. extensions methods
+
 ## [Unreleased]
 
 ### Added
 
+- **request.validation:** Support `PropertyPath` JSON converter for string values and dictionary property names
+
 ### Changed
 
 ### Removed
 
 [1.0.0]: https://code.geekeey.de/geekeey/request/releases/tag/1.0.0
 [1.1.0]: https://code.geekeey.de/geekeey/request/releases/tag/1.1.0
-[Unreleased]: https://code.geekeey.de/geekeey/request/compare/1.1.0...HEAD
+[2.0.0]: https://code.geekeey.de/geekeey/request/releases/tag/2.0.0
+[Unreleased]: https://code.geekeey.de/geekeey/request/compare/2.0.0...HEAD

Directory.Build.props

@@ -9,7 +9,8 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <VersionPrefix>1.1.0</VersionPrefix>
+    <VersionPrefix>2.1.0</VersionPrefix>
+    <VersionSuffix>preview</VersionSuffix>
   </PropertyGroup>
 
   <PropertyGroup>

src/request.dispatcher.tests/StackTraceTests.cs

@@ -0,0 +1,73 @@
+// Copyright (c) The Geekeey Authors
+// SPDX-License-Identifier: EUPL-1.2
+
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Geekeey.Request.Dispatcher.Tests;
+
+internal sealed class StackTraceTests
+{
+	[Test]
+	public async Task I_can_not_see_pipeline_internals_are_hidden_from_stack_trace_scalar()
+	{
+		// Arrange
+		var sc = new ServiceCollection();
+		sc.AddSingleton<ScalarTestTracker>();
+		sc.AddRequestDispatcher(builder => builder
+			.Add(typeof(FailingScalarHandler))
+			.Add(typeof(ScalarOpenBehavior<,>)));
+
+		var provider = sc.BuildServiceProvider();
+		var dispatcher = provider.GetRequiredService<IRequestDispatcher>();
+		var request = new FailingScalarRequest();
+
+		// Act
+		var exception = await Assert.ThrowsAsync<InvalidOperationException>(() =>
+			dispatcher.DispatchAsync(request));
+
+		// Assert
+		await Assert.That(exception).IsNotNull();
+
+		var stackTrace = await Assert.That(exception.StackTrace).IsNotNull();
+
+		await Assert.That(stackTrace).Contains(nameof(FailingScalarHandler));
+		await Assert.That(stackTrace).Contains(nameof(ScalarOpenBehavior<,>));
+
+		// 3. Verify that the internal lambda from ScalarRequestInvoker.Chain is HIDDEN.
+		// In C#, these lambdas usually appear as "ScalarRequestInvoker`2.<>c__DisplayClass..." or similar.
+		// Since we added [StackTraceHidden], this frame should be omitted.
+		await Assert.That(stackTrace).DoesNotContain("ScalarRequestInvoker+<>");
+	}
+
+	[Test]
+	public async Task I_can_not_see_pipeline_internals_are_hidden_from_stack_trace_stream()
+	{
+		// Arrange
+		var sc = new ServiceCollection();
+		sc.AddSingleton<StreamTestTracker>();
+		sc.AddRequestDispatcher(builder => builder
+			.Add(typeof(FailingStreamHandler))
+			.Add(typeof(StreamOpenBehavior<,>)));
+
+		var provider = sc.BuildServiceProvider();
+		var dispatcher = provider.GetRequiredService<IRequestDispatcher>();
+		var request = new FailingStreamRequest();
+
+		// Act
+		var exception = await Assert.ThrowsAsync<InvalidOperationException>(() =>
+				dispatcher.DispatchAsync(request).ToListAsync().AsTask());
+
+		// Assert
+		await Assert.That(exception).IsNotNull();
+
+		var stackTrace = await Assert.That(exception.StackTrace).IsNotNull();
+
+		await Assert.That(stackTrace).Contains(nameof(FailingStreamHandler));
+		await Assert.That(stackTrace).Contains(nameof(StreamOpenBehavior<,>));
+
+		// 3. Verify that the internal lambda from ScalarRequestInvoker.Chain is HIDDEN.
+		// In C#, these lambdas usually appear as "ScalarRequestInvoker`2.<>c__DisplayClass..." or similar.
+		// Since we added [StackTraceHidden], this frame should be omitted.
+		await Assert.That(stackTrace).DoesNotContain("StreamRequestInvoker+<>");
+	}
+}

src/request.dispatcher.tests/_fixtures/StreamOpenBehavior.cs

@@ -1,14 +1,19 @@
 // Copyright (c) The Geekeey Authors
 // SPDX-License-Identifier: EUPL-1.2
 
+using System.Runtime.CompilerServices;
+
 namespace Geekeey.Request.Dispatcher.Tests;
 
 public class StreamOpenBehavior<TRequest, TResponse>(StreamTestTracker tracker) : IStreamRequestBehavior<TRequest, TResponse>
 where TRequest : IStreamRequest<TResponse>
 {
-	public IAsyncEnumerable<TResponse> HandleAsync(TRequest request, StreamHandlerDelegate<TResponse> next, CancellationToken cancellationToken)
+	public async IAsyncEnumerable<TResponse> HandleAsync(TRequest request, StreamHandlerDelegate<TResponse> next, [EnumeratorCancellation] CancellationToken cancellationToken)
 	{
 		tracker.Executed = true;
-		return next(request, cancellationToken);
+		await foreach (var response in next(request, cancellationToken))
+		{
+			yield return response;
+		}
 	}
 }

src/request.dispatcher/ScalarRequestInvoker.cs

@@ -1,6 +1,8 @@
 // Copyright (c) The Geekeey Authors
 // SPDX-License-Identifier: EUPL-1.2
 
+using System.Diagnostics;
+
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 
@@ -36,7 +38,7 @@ internal sealed class ScalarRequestInvoker<TRequest, TResponse> : ScalarRequestI
 
 		static ScalarHandlerDelegate<TResponse> Chain(ScalarHandlerDelegate<TResponse> next, IScalarRequestBehavior<TRequest, TResponse> filter)
 		{
-			return (req, ct) => filter.HandleAsync((TRequest)req, next, ct);
+			return [StackTraceHidden] (req, ct) => filter.HandleAsync((TRequest)req, next, ct);
 		}
 
 		Task<TResponse> Head(IScalarRequest<TResponse> r, CancellationToken ct)

src/request.dispatcher/StreamRequestInvoker.cs

@@ -1,6 +1,7 @@
 // Copyright (c) The Geekeey Authors
 // SPDX-License-Identifier: EUPL-1.2
 
+using System.Diagnostics;
 using System.Runtime.CompilerServices;
 
 using Microsoft.Extensions.DependencyInjection;
@@ -41,7 +42,7 @@ internal sealed class StreamRequestInvoker<TRequest, TResponse> : StreamRequestI
 
 		static StreamHandlerDelegate<TResponse> Chain(StreamHandlerDelegate<TResponse> next, IStreamRequestBehavior<TRequest, TResponse> filter)
 		{
-			return (req, ct) => filter.HandleAsync((TRequest)req, next, ct);
+			return [StackTraceHidden] (req, ct) => filter.HandleAsync((TRequest)req, next, ct);
 		}
 
 		IAsyncEnumerable<TResponse> Head(IStreamRequest<TResponse> r, CancellationToken ct)

src/request.validation.tests/DependencyInjectionTests.cs

@@ -11,7 +11,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_resolve_single_validator()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add<OrderedFailuresValidator>(ServiceLifetime.Transient);
 		});
@@ -27,7 +27,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_resolve_multiple_validators()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add<PersonValidator>(ServiceLifetime.Transient);
 			builder.Add<AnotherPersonValidator>(ServiceLifetime.Transient);
@@ -46,7 +46,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_resolve_open_generic_validator()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add(typeof(GenericValidator<>), ServiceLifetime.Transient);
 		});
@@ -63,7 +63,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_resolve_multi_interface_validator()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add<MultiInterfaceValidator>(ServiceLifetime.Transient);
 		});
@@ -84,7 +84,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_resolve_generic_validator_with_constraints()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add(typeof(ConstrainedValidator<>), ServiceLifetime.Transient);
 		});
@@ -104,7 +104,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_resolve_generic_wrapper_validator_with_constraints()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add(typeof(ConstrainedWrapperValidator<>), ServiceLifetime.Transient);
 		});
@@ -124,7 +124,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_resolve_aggregate_validator_directly()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add<PersonValidator>(ServiceLifetime.Transient);
 			builder.Add<AnotherPersonValidator>(ServiceLifetime.Transient);
@@ -142,7 +142,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_select_validators_from_base_classes_and_interfaces()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add<EntityValidator>(ServiceLifetime.Transient);
 			builder.Add<AnimalValidator>(ServiceLifetime.Transient);
@@ -161,7 +161,7 @@ internal sealed class DependencyInjectionTests
 	public async Task I_can_select_validators_polymorphically_based_on_the_instance_type()
 	{
 		var services = new ServiceCollection();
-		services.AddValidation(builder =>
+		services.AddRequestValidation(builder =>
 		{
 			builder.Add<AnimalValidator>(ServiceLifetime.Transient);
 			builder.Add<DogValidator>(ServiceLifetime.Transient);

src/request.validation.tests/PropertyPathTests.cs

@@ -12,6 +12,19 @@ internal sealed class PropertyPathTests
 		PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
 	};
 
+	private static readonly JsonSerializerOptions CamelCaseDictionaryKeyJsonOptions = new()
+	{
+		DictionaryKeyPolicy = JsonNamingPolicy.CamelCase,
+	};
+
+	[Test]
+	public async Task I_can_serialize_property_paths_as_json_strings_using_the_json_naming_policy()
+	{
+		var json = JsonSerializer.Serialize((PropertyPath)"Address.Street", CamelCaseJsonOptions);
+
+		await Assert.That(json).IsEqualTo(/*lang=json,strict*/ "\"address.street\"");
+	}
+
 	[Test]
 	public async Task I_can_serialize_property_paths_using_the_json_naming_policy()
 	{
@@ -54,6 +67,32 @@ internal sealed class PropertyPathTests
 		await Assert.That(json).IsEqualTo(/*lang=json,strict*/ """{"propertyPath":"matrix[1][2].value","severity":0,"message":"Value is required.","code":null,"attemptedValue":null}""");
 	}
 
+	[Test]
+	public async Task I_can_serialize_property_paths_as_dictionary_keys_using_the_dictionary_key_policy()
+	{
+		Dictionary<PropertyPath, string> errors = new()
+		{
+			["Address.Street"] = "Street is required.",
+		};
+
+		var json = JsonSerializer.Serialize(errors, CamelCaseDictionaryKeyJsonOptions);
+
+		await Assert.That(json).IsEqualTo(/*lang=json,strict*/ """{"address.street":"Street is required."}""");
+	}
+
+	[Test]
+	public async Task I_can_deserialize_property_paths_from_dictionary_keys()
+	{
+		var json = /*lang=json,strict*/ """{"Address.Street":"Street is required."}""";
+
+		var errors = JsonSerializer.Deserialize<Dictionary<PropertyPath, string>>(json);
+
+		await Assert.That(errors).IsNotNull();
+		await Assert.That(errors!.Count).IsEqualTo(1);
+		await Assert.That(errors.ContainsKey("Address.Street")).IsTrue();
+		await Assert.That(errors["Address.Street"]).IsEqualTo("Street is required.");
+	}
+
 	[Test]
 	public async Task I_can_iterate_and_index_segments()
 	{

src/request.validation/DispatchingValidator.cs

@@ -4,14 +4,11 @@
 using System.Collections.Concurrent;
 using System.Reflection.Metadata;
 
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Options;
-
 [assembly: MetadataUpdateHandler(typeof(Geekeey.Request.Validation.DispatchingValidator))]
 
 namespace Geekeey.Request.Validation;
 
-internal sealed class DispatchingValidator : IValidator
+internal sealed partial class DispatchingValidator : IValidator
 {
 	private static readonly ConcurrentDictionary<Type, ValidatorInvoker> ValidatorsHandlers = new();
 
@@ -44,31 +41,4 @@ internal sealed class DispatchingValidator : IValidator
 
 		return handler.Validate(context, _serviceProvider);
 	}
-
-	private abstract class ValidatorInvoker
-	{
-		public abstract Validation Validate(ValidationContext context, IServiceProvider serviceProvider);
-	}
-
-	private sealed class ValidatorInvoker<T> : ValidatorInvoker
-	{
-		public override Validation Validate(ValidationContext context, IServiceProvider serviceProvider)
-		{
-			var options = serviceProvider.GetRequiredService<IOptions<ValidationOptions>>().Value;
-
-			var validators = options.GetValidators<T>(serviceProvider);
-
-			var problems = new List<Problem>();
-
-			foreach (var validator in validators)
-			{
-				if (validator.Validate(context) is { IsValid: false, Problems: { } result })
-				{
-					problems.AddRange(result);
-				}
-			}
-
-			return new Validation(problems);
-		}
-	}
 }

src/request.validation/IRequestValidatorBuilder.cs

@@ -8,7 +8,7 @@ namespace Geekeey.Request.Validation;
 /// <summary>
 /// Defines a builder for configuring validator registrations.
 /// </summary>
-public interface IValidatorBuilder
+public interface IRequestValidatorBuilder
 {
 	/// <summary>
 	/// Gets the service collection where the validators are registered.

src/request.validation/PropertyPath.cs

@@ -399,9 +399,26 @@ internal sealed class PropertyPathJsonConverter : JsonConverter<PropertyPath>
 		throw new JsonException($"Expected {nameof(JsonTokenType.String)} but got {reader.TokenType}.");
 	}
 
+	/// <inheritdoc />
+	public override PropertyPath ReadAsPropertyName(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+	{
+		if (reader.TokenType is JsonTokenType.PropertyName)
+		{
+			return new PropertyPath(reader.GetString()!);
+		}
+
+		throw new JsonException($"Expected {nameof(JsonTokenType.PropertyName)} but got {reader.TokenType}.");
+	}
+
 	/// <inheritdoc />
 	public override void Write(Utf8JsonWriter writer, PropertyPath value, JsonSerializerOptions options)
 	{
 		writer.WriteStringValue(value.ToJsonName(options.PropertyNamingPolicy));
 	}
+
+	/// <inheritdoc />
+	public override void WriteAsPropertyName(Utf8JsonWriter writer, PropertyPath value, JsonSerializerOptions options)
+	{
+		writer.WritePropertyName(value.ToJsonName(options.DictionaryKeyPolicy));
+	}
 }

src/request.validation/RequestValidatorBuilderExtensions.cs

@@ -6,24 +6,24 @@ using System.Reflection;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 
-using static Geekeey.Request.Validation.ValidationOptions;
+using static Geekeey.Request.Validation.RequestValidatorOptions;
 
 namespace Geekeey.Request.Validation;
 
 /// <summary>
-/// Provides extension methods for configuring <see cref="IValidatorBuilder"/>
+/// Provides extension methods for configuring <see cref="IRequestValidatorBuilder"/>
 /// with additional capabilities such as searching and registering validators in assemblies or adding types directly.
 /// </summary>
-public static class ValidatorBuilderExtensions
+public static class RequestValidatorBuilderExtensions
 {
 	/// <summary>
 	/// Searches for validator types within the specified assembly and adds them to the validator
 	/// configuration.
 	/// </summary>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> to configure.</param>
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> to configure.</param>
 	/// <param name="assembly">The assembly to search for validator types.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder SearchInAssembly(this IValidatorBuilder builder, Assembly assembly)
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder SearchInAssembly(this IRequestValidatorBuilder builder, Assembly assembly)
 	{
 		ArgumentNullException.ThrowIfNull(builder);
 
@@ -40,11 +40,11 @@ public static class ValidatorBuilderExtensions
 	/// Searches for validator types within the specified assembly and adds them to the validator
 	/// configuration with the given service lifetime.
 	/// </summary>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> to configure.</param>
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> to configure.</param>
 	/// <param name="assembly">The assembly to search for validator types.</param>
 	/// <param name="lifetime">The lifetime with which the validators are registered in the dependency injection container.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder SearchInAssembly(this IValidatorBuilder builder, Assembly assembly, ServiceLifetime lifetime)
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder SearchInAssembly(this IRequestValidatorBuilder builder, Assembly assembly, ServiceLifetime lifetime)
 	{
 		ArgumentNullException.ThrowIfNull(builder);
 
@@ -60,14 +60,14 @@ public static class ValidatorBuilderExtensions
 	/// <summary>
 	/// Adds the specified type to the validator configuration for inspection.
 	/// </summary>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> to configure.</param>
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> to configure.</param>
 	/// <param name="type">The type to be added to the validator configuration.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder Add(this IValidatorBuilder builder, Type type)
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder Add(this IRequestValidatorBuilder builder, Type type)
 	{
 		ArgumentNullException.ThrowIfNull(builder);
 
-		builder.Services.AddOptions<ValidationOptions>()
+		builder.Services.AddOptions<RequestValidatorOptions>()
 			.Configure(options => options.Inspect([type]));
 
 		return builder;
@@ -78,15 +78,15 @@ public static class ValidatorBuilderExtensions
 	/// This also adds the type to the service collection with the specified lifetime,
 	/// allowing it to be resolved as a dependency.
 	/// </summary>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> used to configure the validators.</param>
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> used to configure the validators.</param>
 	/// <param name="type">The type to be added to the validator configuration.</param>
 	/// <param name="lifetime">The lifetime scope of the type in the service container.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder Add(this IValidatorBuilder builder, Type type, ServiceLifetime lifetime)
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder Add(this IRequestValidatorBuilder builder, Type type, ServiceLifetime lifetime)
 	{
 		ArgumentNullException.ThrowIfNull(builder);
 
-		builder.Services.AddOptions<ValidationOptions>()
+		builder.Services.AddOptions<RequestValidatorOptions>()
 			.Configure(options => options.Inspect([type]));
 
 		builder.Services.Add(new ServiceDescriptor(type, type, lifetime));
@@ -97,16 +97,16 @@ public static class ValidatorBuilderExtensions
 	/// <summary>
 	/// Adds the specified collection of types to the validator configuration for inspection.
 	/// </summary>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> to configure.</param>
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> to configure.</param>
 	/// <param name="types">The collection of types to be added to the validator configuration.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder Add(this IValidatorBuilder builder, IEnumerable<Type> types)
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder Add(this IRequestValidatorBuilder builder, IEnumerable<Type> types)
 	{
 		ArgumentNullException.ThrowIfNull(builder);
 
 		var typeList = types.ToList();
 
-		builder.Services.AddOptions<ValidationOptions>()
+		builder.Services.AddOptions<RequestValidatorOptions>()
 			.Configure(options => options.Inspect(typeList));
 
 		return builder;
@@ -117,17 +117,17 @@ public static class ValidatorBuilderExtensions
 	/// This also adds the specified collection of types to the service collection with the specified lifetime,
 	/// allowing it to be resolved as a dependency.
 	/// </summary>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> to configure.</param>
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> to configure.</param>
 	/// <param name="types">The collection of types to be added to the validator configuration.</param>
 	/// <param name="lifetime">The lifetime scope of the types in the service container.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder Add(this IValidatorBuilder builder, IEnumerable<Type> types, ServiceLifetime lifetime)
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder Add(this IRequestValidatorBuilder builder, IEnumerable<Type> types, ServiceLifetime lifetime)
 	{
 		ArgumentNullException.ThrowIfNull(builder);
 
 		var typeList = types.ToList();
 
-		builder.Services.AddOptions<ValidationOptions>()
+		builder.Services.AddOptions<RequestValidatorOptions>()
 			.Configure(options => options.Inspect(typeList));
 
 		builder.Services.Add(typeList.Select(export => new ServiceDescriptor(export, export, lifetime)));
@@ -139,9 +139,9 @@ public static class ValidatorBuilderExtensions
 	/// Adds the specified validator type to the validator configuration.
 	/// </summary>
 	/// <typeparam name="TValidator">The type of the validator to add.</typeparam>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> to configure.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder Add<TValidator>(this IValidatorBuilder builder)
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> to configure.</param>
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder Add<TValidator>(this IRequestValidatorBuilder builder)
 		where TValidator : class, IValidator
 	{
 		return builder.Add(typeof(TValidator));
@@ -151,10 +151,10 @@ public static class ValidatorBuilderExtensions
 	/// Adds the specified validator type to the validator configuration with the specified lifetime.
 	/// </summary>
 	/// <typeparam name="TValidator">The type of the validator to add.</typeparam>
-	/// <param name="builder">The <see cref="IValidatorBuilder"/> to configure.</param>
+	/// <param name="builder">The <see cref="IRequestValidatorBuilder"/> to configure.</param>
 	/// <param name="lifetime">The lifetime scope of the validator in the service container.</param>
-	/// <returns>The <see cref="IValidatorBuilder"/> instance for further configuration.</returns>
-	public static IValidatorBuilder Add<TValidator>(this IValidatorBuilder builder, ServiceLifetime lifetime)
+	/// <returns>The <see cref="IRequestValidatorBuilder"/> instance for further configuration.</returns>
+	public static IRequestValidatorBuilder Add<TValidator>(this IRequestValidatorBuilder builder, ServiceLifetime lifetime)
 		where TValidator : class, IValidator
 	{
 		return builder.Add(typeof(TValidator), lifetime);

src/request.validation/RequestValidatorOptions.cs

@@ -8,12 +8,12 @@ using Microsoft.Extensions.DependencyInjection;
 
 namespace Geekeey.Request.Validation;
 
-internal sealed class ValidationOptions
+internal sealed class RequestValidatorOptions
 {
 	private readonly List<Type> _search = [];
 	private readonly Lazy<TypeIndex> _validatorsTypeIndex;
 
-	public ValidationOptions()
+	public RequestValidatorOptions()
 	{
 		_validatorsTypeIndex = new Lazy<TypeIndex>(() => new ValidatorTypeIndex(_search.Distinct()));
 	}

src/request.validation/ServiceCollectionExtensions.cs

@@ -14,15 +14,15 @@ public static class ServiceCollectionExtensions
 	/// Adds validator services to the specified <see cref="IServiceCollection"/>.
 	/// </summary>
 	/// <param name="services">The service collection to which the validator services will be added.</param>
-	/// <returns>An instance of <see cref="IValidatorBuilder"/> to configure the validator registrations.</returns>
-	public static IValidatorBuilder AddValidation(this IServiceCollection services)
+	/// <returns>An instance of <see cref="IRequestValidatorBuilder"/> to configure the validator registrations.</returns>
+	public static IRequestValidatorBuilder AddRequestValidation(this IServiceCollection services)
 	{
 		ArgumentNullException.ThrowIfNull(services);
 
-		services.AddOptions<ValidationOptions>();
+		services.AddOptions<RequestValidatorOptions>();
 		services.AddTransient<IValidator, DispatchingValidator>();
 
-		return new ValidatorBuilder(services);
+		return new RequestValidatorBuilder(services);
 	}
 
 	/// <summary>
@@ -32,17 +32,17 @@ public static class ServiceCollectionExtensions
 	/// <param name="services">The service collection to which the validator services will be added.</param>
 	/// <param name="configure">A delegate to configure the validator builder.</param>
 	/// <returns>The service collection with the validator services added.</returns>
-	public static IServiceCollection AddValidation(this IServiceCollection services, Action<IValidatorBuilder> configure)
+	public static IServiceCollection AddRequestValidation(this IServiceCollection services, Action<IRequestValidatorBuilder> configure)
 	{
 		ArgumentNullException.ThrowIfNull(services);
 		ArgumentNullException.ThrowIfNull(configure);
 
-		configure(services.AddValidation());
+		configure(services.AddRequestValidation());
 
 		return services;
 	}
 
-	private sealed class ValidatorBuilder(IServiceCollection services) : IValidatorBuilder
+	private sealed class RequestValidatorBuilder(IServiceCollection services) : IRequestValidatorBuilder
 	{
 		public IServiceCollection Services { get; } = services;
 	}

src/request.validation/ValidatorInvoker.cs

@@ -0,0 +1,34 @@
+// Copyright (c) The Geekeey Authors
+// SPDX-License-Identifier: EUPL-1.2
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+
+namespace Geekeey.Request.Validation;
+
+internal abstract class ValidatorInvoker
+{
+	public abstract Validation Validate(ValidationContext context, IServiceProvider serviceProvider);
+}
+
+internal sealed class ValidatorInvoker<T> : ValidatorInvoker
+{
+	public override Validation Validate(ValidationContext context, IServiceProvider serviceProvider)
+	{
+		var options = serviceProvider.GetRequiredService<IOptions<RequestValidatorOptions>>().Value;
+
+		var validators = options.GetValidators<T>(serviceProvider);
+
+		var problems = new List<Problem>();
+
+		foreach (var validator in validators)
+		{
+			if (validator.Validate(context) is { IsValid: false, Problems: { } result })
+			{
+				problems.AddRange(result);
+			}
+		}
+
+		return new Validation(problems);
+	}
+}