public override EntityValidationResult Validate(object value, EntityValidationContext entityValidationContext)
{
if (entityValidationContext == null)
{
throw new ArgumentNullException("entityValidationContext", "EntityValidationContext not provided.");
}
if (value != null)
{
if (CachedValidationFunc == null)
{
CachedValidationFunc = Parser.Parse(entityValidationContext.ObjectType, Expression);
}
if (!CachedValidationFunc(entityValidationContext.ObjectInstance))
{
return
(new EntityValidationResult(FormatErrorMessage(entityValidationContext.DisplayName, Expression)));
}
}
return(EntityValidationResult.Success());
}
public override EntityValidationResult Validate(object value, EntityValidationContext entityValidationContext)
{
if (entityValidationContext == null)
{
throw new ArgumentNullException("entityValidationContext", "EntityValidationContext not provided.");
}
var isEmpty = value is string && string.IsNullOrWhiteSpace((string)value);
if (value == null || (isEmpty && !AllowEmptyStrings))
{
if (CachedValidationFunc == null)
{
CachedValidationFunc = Parser.Parse(entityValidationContext.ObjectType, Expression);
}
if (CachedValidationFunc(entityValidationContext.ObjectInstance))
{
return
(new EntityValidationResult(FormatErrorMessage(entityValidationContext.DisplayName, Expression)));
}
}
return(EntityValidationResult.Success());
}