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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel.DataAnnotations;
using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
using Microsoft.Extensions.Localization;
namespace Microsoft.AspNetCore.Mvc.DataAnnotations;
/// <summary>
/// A validation adapter that is used to map <see cref="DataTypeAttribute"/>'s to a single client side validation
/// rule.
/// </summary>
internal sealed class DataTypeAttributeAdapter : AttributeAdapterBase<DataTypeAttribute>
{
public DataTypeAttributeAdapter(DataTypeAttribute attribute, string ruleName, IStringLocalizer? stringLocalizer)
: base(attribute, stringLocalizer)
{
ArgumentException.ThrowIfNullOrEmpty(ruleName);
RuleName = ruleName;
}
public string RuleName { get; }
public override void AddValidation(ClientModelValidationContext context)
{
ArgumentNullException.ThrowIfNull(context);
MergeAttribute(context.Attributes, "data-val", "true");
MergeAttribute(context.Attributes, RuleName, GetErrorMessage(context));
}
/// <inheritdoc/>
public override string GetErrorMessage(ModelValidationContextBase validationContext)
{
ArgumentNullException.ThrowIfNull(validationContext);
return GetErrorMessage(
validationContext.ModelMetadata,
validationContext.ModelMetadata.GetDisplayName(),
Attribute.GetDataTypeName());
}
}
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