public ITextFileReader GetReaderFor(string source)
{
var cacheFilepath = _cacheFilenameGenerator.GenerateFor(source);
return(File.Exists(cacheFilepath)
? _readerFactory.Open(cacheFilepath)
: null);
}
private ITextFileReader GetHostsFileReader()
{
return(_textFileReaderFactory.Open(_settings.HostsFile));
}