//customizing the default activity validation
public override ValidationErrorCollection ValidateProperties(ValidationManager manager, object obj)
{
// Create a new collection for storing the validation errors
ValidationErrorCollection validationErrors = base.ValidateProperties(manager, obj);
SendEmailActivity activity = obj as SendEmailActivity;
if (activity != null)
{
// Validate the Email and SMTP Properties
this.ValidateEmailProperties(validationErrors, activity);
this.ValidateSMTPProperties(validationErrors, activity);
}
return(validationErrors);
}
private void ValidateSMTPProperties(ValidationErrorCollection validationErrors, SendEmailActivity activity)
{
// Validate the SMTPHost property
if (String.IsNullOrEmpty(activity.SmtpHost))
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.SmtpHostProperty.Name));
}
// Validate the Port property
if (activity.Port == 0)
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.PortProperty.Name));
}
else if (activity.Port < 1)
{
validationErrors.Add(new ValidationError("Invalid Port Number",
InvalidSMTPPort, false, SendEmailActivity.PortProperty.Name));
}
}
private void ValidateEmailProperties(ValidationErrorCollection validationErrors, SendEmailActivity activity)
{
// Validate the To property
if (String.IsNullOrEmpty(activity.To))
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.ToProperty.Name));
}
else if (!activity.To.Contains("@"))
{
validationErrors.Add(new ValidationError("Invalid To e-mail address", InvalidToAddress, false, SendEmailActivity.ToProperty.Name));
}
// Validate the From property
if (String.IsNullOrEmpty(activity.From))
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.FromProperty.Name));
}
else if (!activity.From.Contains("@"))
{
validationErrors.Add(new ValidationError("Invalid From e-mail address", InvalidFromAddress, false, SendEmailActivity.FromProperty.Name));
}
}
private void ValidateSMTPProperties(ValidationErrorCollection validationErrors, SendEmailActivity activity)
{
// Validate the SMTPHost property
if (String.IsNullOrEmpty(activity.SmtpHost))
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.SmtpHostProperty.Name));
}
// Validate the Port property
if (activity.Port == 0)
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.PortProperty.Name));
}
else if (activity.Port < 1)
{
validationErrors.Add(new ValidationError("Invalid Port Number",
InvalidSMTPPort, false, SendEmailActivity.PortProperty.Name));
}
}
private void ValidateEmailProperties(ValidationErrorCollection validationErrors, SendEmailActivity activity)
{
// Validate the To property
if (String.IsNullOrEmpty(activity.To))
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.ToProperty.Name));
}
else if (!activity.To.Contains("@"))
{
validationErrors.Add(new ValidationError("Invalid To e-mail address", InvalidToAddress, false, SendEmailActivity.ToProperty.Name));
}
// Validate the From property
if (String.IsNullOrEmpty(activity.From))
{
validationErrors.Add(ValidationError.GetNotSetValidationError(SendEmailActivity.FromProperty.Name));
}
else if (!activity.From.Contains("@"))
{
validationErrors.Add(new ValidationError("Invalid From e-mail address", InvalidFromAddress, false, SendEmailActivity.FromProperty.Name));
}
}