private void SetFileProperties(string fileName, string documentName)
{
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException(nameof(fileName));
}
if (string.IsNullOrEmpty(documentName))
{
throw new ArgumentNullException(nameof(documentName));
}
if (!_fileProxy.FileExists(fileName))
{
throw new FileNotFoundException(fileName);
}
_fileName = fileName;
_documentName = documentName;
}
