private void ProcessRequest(Options commandLineOptions)
{
StreamHasher fileHashMaker;
switch (commandLineOptions.HashAgorithm.ToUpper())
{
case "MD160":
fileHashMaker = new MD160Hasher();
break;
case "SHA1":
fileHashMaker = new SHA1Hasher();
break;
case "SHA256":
fileHashMaker = new SHA256Hasher();
break;
case "SHA384":
fileHashMaker = new SHA384Hasher();
break;
case "SHA512":
fileHashMaker = new SHA512Hasher();
break;
case "MD5":
default:
fileHashMaker = new MD5Hasher();
break;
}
fileHashMaker.HashBlockProcessed += fileHashMaker_HashBlockProcessed;
List <String[]> inputFiles = new List <String[]>();
if (commandLineOptions.Concatenate)
{
// Files will be treated as a single stream -
// copy all filenames into a string array,
// then add the array to the List
String[] files = new String[commandLineOptions.Items.Count];
for (int loop = 0; loop < commandLineOptions.Items.Count; loop++)
{
files[loop] = commandLineOptions.Items[loop];
}
inputFiles.Add(files);
}
else
{
// Each file treated as a separate entity -
// copy each filename into a separate string array,
// then add each array to the List
foreach (String fileToProcess in commandLineOptions.Items)
{
String[] file = new String[] { fileToProcess };
inputFiles.Add(file);
}
}
foreach (String[] fileEntry in inputFiles)
{
byte[] fileHash = fileHashMaker.ComputeFileHash(fileEntry, (int)commandLineOptions.BlockSize);
Console.WriteLine(commandLineOptions.HashAgorithm.ToUpper() + ": " + BitConverter.ToString(fileHash));
if (!string.IsNullOrWhiteSpace(commandLineOptions.AppendToHashFile))
{
var settings = HashFile.OpenFile(commandLineOptions.AppendToHashFile);
settings.Add(fileEntry[0], BitConverter.ToString(fileHash).Replace("-", string.Empty), commandLineOptions.HashAgorithm.ToUpper());
settings.Save();
}
}
}