aspnetcore/test/WebSites/ModelBindingWebSite/TestMetadataAwareBinder.cs

37 lines
1.2 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Reflection;
using System.Threading.Tasks;
using Microsoft.AspNet.Mvc.ModelBinding;
namespace ModelBindingWebSite
{
public class TestMetadataAwareBinder : MetadataAwareBinder<FromTestAttribute>
{
protected override Task<bool> BindAsync(ModelBindingContext bindingContext, FromTestAttribute metadata)
{
bindingContext.Model = metadata.Value;
if (!IsSimpleType(bindingContext.ModelType))
{
bindingContext.Model = Activator.CreateInstance(bindingContext.ModelType);
}
return Task.FromResult(true);
}
private bool IsSimpleType(Type type)
{
return type.GetTypeInfo().IsPrimitive ||
type.Equals(typeof(decimal)) ||
type.Equals(typeof(string)) ||
type.Equals(typeof(DateTime)) ||
type.Equals(typeof(Guid)) ||
type.Equals(typeof(DateTimeOffset)) ||
type.Equals(typeof(TimeSpan));
}
}
}