internal DerDieDasData(string dataToParse, IArticleFactory articleFactory)
{
ParamValidator.EnsureParametersAreValid(new NullValidatorWithValue<IArticleFactory>(() => articleFactory, articleFactory));
ParamValidator.EnsureParametersAreValid(new StringValidatorWithValue(() => dataToParse, dataToParse));
var dataParsed = dataToParse.Split(new[]{','}, StringSplitOptions.RemoveEmptyEntries);
if (dataParsed.Length != 3)
throw new InvalidDataException(string.Format("Invalid data to parse: {0}", dataToParse));
_article = articleFactory.CreateArticle(dataParsed[0]);
_verb = dataParsed[1].Trim();
_verbPlural = dataParsed[2].Trim();
}