/** Retrieve an error by key. */ public ValidationError error(String key) { List<ValidationError> err = errors.get(key); if (err == null || err.isEmpty()) { return null; } else { return err.get(0); } }
/** * Retrieves the first global error (an error without any key), if it exists. * * @return An error or <code>null</code>. */ public ValidationError globalError() { List<ValidationError> errors = globalErrors(); if (errors.isEmpty()) { return null; } else { return errors.get(0); } }