public static int Unpack(string contextFile, string targetFolder)
{
int retval = -15;
string exceptionMessage = string.Empty;
string exceptionStack = string.Empty;
try
{
Logger.Log("Unpack " + contextFile + " started");
if (!File.Exists(contextFile))
{
retval = 1;
throw new FileNotFoundException("Context file " + contextFile + " not found");
}
if (!Directory.Exists(targetFolder))
{
retval = 2;
throw new DirectoryNotFoundException("Target folder " + targetFolder + " not found");
}
SevenZipHandler sevenZipper = new SevenZipHandler("7za.exe");
if (sevenZipper == null)
{
retval = 3;
throw new ApplicationException("Seven zip object not created");
}
Logger.Log("Seven zip object created");
SecureString minga = loadPassword();
Logger.Log("Password {0}found", minga == null ? "NOT " : string.Empty);
if (!sevenZipper.CheckCompressedFileHealth(contextFile, minga))
{
retval = 4;
throw new ApplicationException("File " + contextFile + " health check failed");
}
Logger.Log("File health check passed");
string uncompressedFolder = Path.Combine(targetFolder, "Context");
if (Directory.Exists(uncompressedFolder))
{
Logger.Log("Removing " + uncompressedFolder);
Directory.Delete(uncompressedFolder, true);
if (Directory.Exists(uncompressedFolder))
{
throw new ApplicationException("Could not remove folder");
}
}
if (!sevenZipper.Decompress(contextFile, targetFolder, minga))
{
retval = 5;
throw new ApplicationException("Decompression failed");
}
Logger.Log("All done");
retval = 0;
}
catch (SevenZipHandlerException szhe)
{
exceptionMessage = szhe.Message;
exceptionStack = szhe.StackTrace;
}
catch (Exception ex)
{
exceptionMessage = ex.Message;
exceptionStack = ex.StackTrace;
}
if (!string.IsNullOrEmpty(exceptionMessage))
{
Logger.Log("Exception raised " + exceptionMessage, LogLevel.Error);
foreach (string line in exceptionStack.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries))
{
Logger.Log(" " + line, LogLevel.Error);
}
}
return(retval);
}
