private DecryptionOutput GetSelectedValuesFromGUIDecryption()
{
//enter values from input controls to EncryptionInput object
DecryptionInput di = new DecryptionInput(InputFileTextBoxDecryption.Text,
OutputFileTextBoxDecryption.Text,
(User)RecipentsListBoxDecryption.SelectedItem);
DecryptionOutput decryptionOutput =
InputHandlers.ParseDecryptionValues(di);
return(decryptionOutput);
}
public static DecryptionOutput ParseDecryptionValues(DecryptionInput ei)
{
bool readingAllOK = true;
string outDirectory = "";
string decodedFileName = "";
string errorMsg = "";
//retrieve input file and output file name
string inputFilePath = ei.InputFile;
if (string.IsNullOrEmpty(inputFilePath) ||
!File.Exists(inputFilePath))
{
readingAllOK = false;
errorMsg += "Błędnie wybrany plik do zaszyfrowania.\n";
}
else
{
outDirectory = System.IO.Path.GetDirectoryName(inputFilePath);
}
string outputFileName = ei.OutputFileName;
string outputFilePath = "";
if (string.IsNullOrEmpty(outputFileName) ||
(outputFileName.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0))
{
readingAllOK = false;
errorMsg += "Błędna nazwa pliku wyjściowego.\n";
}
else
{
outputFilePath = outDirectory + "\\" + outputFileName;
decodedFileName = outDirectory + "\\result.txt";
}
//retrieve selected recipent of encoded file from listbox
User recipent = ei.Recipent;
if (recipent == null)
{
readingAllOK = false;
errorMsg += "Brak wybranego odbiorcy pliku.\n";
}
//create and return an object keeping track of all read data
DecryptionOutput decryptionOutput = new DecryptionOutput(readingAllOK,
inputFilePath, outputFilePath, recipent, errorMsg);
return(decryptionOutput);
}