public bool ValidateXmlFileNames(IEnumerable <string> xmlFileNames)
{
if (!xmlFileNames.Any())
{
_validationErrorHandler.FileFailureErrorHandler(ZipEmptyRuleName);
throw new FileLoadException("Zip File contains no Xml File.");
}
if (xmlFileNames.Count() > 1)
{
_validationErrorHandler.FileFailureErrorHandler(ZipTooManyFilesRuleName);
throw new FileLoadException("Zip File contains more than one Xml File.");
}
return(true);
}