Create ObjectExtensionPropertyInfoValidationExtensions.

framework/src/Volo.Abp.Validation/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoValidationExtensions.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using JetBrains.Annotations;
+
+namespace Volo.Abp.ObjectExtending
+{
+    public static class ObjectExtensionPropertyInfoValidationExtensions
+    {
+        public const string ValidationConfigurationName = "Validation";
+
+        [NotNull]
+        public static ObjectExtensionPropertyInfo ConfigureValidation(
+            [NotNull] this ObjectExtensionPropertyInfo propertyExtension,
+            [NotNull] Action<ObjectExtensionPropertyInfoValidationOptions> configureAction)
+        {
+            Check.NotNull(propertyExtension, nameof(propertyExtension));
+            Check.NotNull(configureAction, nameof(configureAction));
+
+            configureAction(propertyExtension.GetOrAddValidationConfiguration());
+
+            return propertyExtension;
+        }
+
+        [NotNull]
+        public static ObjectExtensionPropertyInfo AddValidationAttributes(
+            [NotNull] this ObjectExtensionPropertyInfo propertyExtension,
+            [NotNull] params ValidationAttribute[] validationAttributes)
+        {
+            Check.NotNull(propertyExtension, nameof(propertyExtension));
+            Check.NotNullOrEmpty(validationAttributes, nameof(validationAttributes));
+
+            propertyExtension
+                .GetOrAddValidationConfiguration()
+                .ValidationAttributes
+                .AddRange(validationAttributes);
+
+            return propertyExtension;
+        }
+
+        [CanBeNull]
+        public static ObjectExtensionPropertyInfoValidationOptions GetValidationConfigurationOrNull(
+            [NotNull] this ObjectExtensionPropertyInfo propertyExtension)
+        {
+            Check.NotNull(propertyExtension, nameof(propertyExtension));
+
+            return propertyExtension.Configuration.GetOrDefault(ValidationConfigurationName) 
+                as ObjectExtensionPropertyInfoValidationOptions;
+        }
+
+        [NotNull]
+        public static ObjectExtensionPropertyInfoValidationOptions GetOrAddValidationConfiguration(
+            [NotNull] this ObjectExtensionPropertyInfo propertyExtension)
+        {
+            Check.NotNull(propertyExtension, nameof(propertyExtension));
+
+            var validationConfiguration = propertyExtension.GetValidationConfigurationOrNull();
+
+            if (validationConfiguration == null)
+            {
+                validationConfiguration = new ObjectExtensionPropertyInfoValidationOptions(propertyExtension);
+                propertyExtension.Configuration[ValidationConfigurationName] = validationConfiguration;
+            }
+
+            return validationConfiguration;
+        }
+    }
+}

framework/src/Volo.Abp.Validation/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoValidationOptions.cs

@@ -0,0 +1,25 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using JetBrains.Annotations;
+
+namespace Volo.Abp.ObjectExtending
+{
+    public class ObjectExtensionPropertyInfoValidationOptions
+    {
+        [NotNull]
+        public ObjectExtensionPropertyInfo ExtensionProperty { get; }
+
+        [NotNull]
+        public ObjectExtensionInfo ObjectExtension => ExtensionProperty.ObjectExtension;
+
+        [NotNull]
+        public List<ValidationAttribute> ValidationAttributes { get; }
+
+        public ObjectExtensionPropertyInfoValidationOptions(
+            [NotNull] ObjectExtensionPropertyInfo extensionProperty)
+        {
+            ExtensionProperty = Check.NotNull(extensionProperty, nameof(extensionProperty));
+            ValidationAttributes = new List<ValidationAttribute>();
+        }
+    }
+}

framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationModule.cs

@@ -18,6 +18,7 @@ namespace Volo.Abp.Validation
             context.Services.OnRegistred(ValidationInterceptorRegistrar.RegisterIfNeeded);
             AutoAddObjectValidationContributors(context.Services);
         }
+
         public override void ConfigureServices(ServiceConfigurationContext context)
         {
             Configure<AbpVirtualFileSystemOptions>(options =>