Hello,
I am using NHibernate.Validator 1.2.0.2001 with the 2.1GA of
Nhibernate. I am creating a custom class level validator and related
attribute which I am using to validate some logic before allowing the
object to be persisted. I want to update the default error message
with details found during this validation but can't seem to figure out
how to dynamically update the message property. Below is what I have
at the moment. Any help would be greatly appreciated.
[AttributeUsage(AttributeTargets.Class)]
[ValidatorClass(typeof(SectionInstanceValidator))]
public class SectionInstanceAttribute : Attribute, IRuleArgs
{
private string message = string.Empty;
public string Message
{
get { return message; }
set { message = value; }
}
}
public class SectionInstanceValidator : IValidator
{
public bool IsValid(object value,
IConstraintValidatorContext constraintValidatorContext)
{
if (value is Section)
{
string message = String.Empty;
var section = value as Section;
var numbers = section.SectionNumbers;
var formats =
Globals.BLL.Generic.GetAll<MasterSpecFormat>();
//Verify all MasterSpecFormats have been defined
foreach (var item in formats)
{
if (!numbers.Select(o =>
o.MasterSpecFormat).Contains(item))
{
if (message ==
String.Empty)
message += item.Name;
else
message += ", " + item.Name;
}
}
if (!String.IsNullOrEmpty(message))
{
//This is the dynamic message I want to return
with the validation error.
message = "Section number missing for " +
message;
return false;
}
else
return true;
}
else
return false;
}
}
Thanks,
Chris
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