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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* This software is subject to the Microsoft Public License (Ms-PL).
* A copy of the license can be found in the license.htm file included
* in this distribution.
*
* You must not remove this notice, or any other, from this software.
*
* ***************************************************************************/
namespace System.Web.Mvc {
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
public class DataAnnotationsModelValidator : ModelValidator {
public DataAnnotationsModelValidator(ModelMetadata metadata, ControllerContext context, ValidationAttribute attribute)
: base(metadata, context) {
if (attribute == null) {
throw new ArgumentNullException("attribute");
}
Attribute = attribute;
}
protected internal ValidationAttribute Attribute { get; private set; }
protected internal string ErrorMessage {
get {
return Attribute.FormatErrorMessage(Metadata.GetDisplayName());
}
}
public override bool IsRequired {
get {
return Attribute is RequiredAttribute;
}
}
internal static ModelValidator Create(ModelMetadata metadata, ControllerContext context, ValidationAttribute attribute) {
return new DataAnnotationsModelValidator(metadata, context, attribute);
}
public override IEnumerable<ModelValidationResult> Validate(object container) {
if (!Attribute.IsValid(Metadata.Model)) {
yield return new ModelValidationResult {
Message = ErrorMessage
};
}
}
}
}
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