protected override void Validate(object fieldValue, bool metadataValue, FieldMetadataValidatorContext context)
{
// Null value is always invalid.
if (fieldValue == null)
{
context.ResultBuilder.Add(
new TextValidationMessage(
context.FieldDefinition.Identifier,
context.FieldDefinition.Metadata.Get(
"Required.ErrorMessage",
String.Format("Missing value for required field '{0}'!", context.FieldDefinition.Identifier)
)
)
);
return;
}
// For string values, test whether empty strings are allowed.
string targetValue = fieldValue.ToString();
if (!context.FieldDefinition.Metadata.Get("Required.AllowEmptyStrings", false) && String.IsNullOrEmpty(targetValue))
{
context.ResultBuilder.Add(
new TextValidationMessage(
context.FieldDefinition.Identifier,
context.FieldDefinition.Metadata.Get(
"Required.ErrorMessage",
String.Format("Missing value for required field '{0}'!", context.FieldDefinition.Identifier)
)
)
);
}
}
protected override void Validate(object fieldValue, string metadataValue, FieldMetadataValidatorContext context)
{
string errorMessage = context.FieldDefinition.Metadata.Get(
"MatchProperty.ErrorMessage",
String.Format("'{0}' and '{1}' must match!", context.FieldDefinition.Identifier, metadataValue)
);
object otherProperty = null;
if (context.Getter.TryGetValue(metadataValue, out otherProperty))
{
if ((fieldValue == null && otherProperty != null) || !fieldValue.Equals(otherProperty))
{
context.ResultBuilder.AddTextMessage(context.FieldDefinition.Identifier, errorMessage);
}
}
else
{
if (fieldValue != null)
{
context.ResultBuilder.AddTextMessage(context.FieldDefinition.Identifier, errorMessage);
}
}
}
