public GZipProcessManager(string pathFromName, string pathToName, GZipOperation operation)
{
this.pathFrom = pathFromName;
this.pathTo = pathToName;
this.allWorkers = new List <IWorker>();
this.producerQueue = new BlockingQueue();
if (operation == GZipOperation.Compress)
{
this.consumerCollection = new BlockingQueue();
this.blockGZipper = new BlockGZipCompressor();
var fileReader = new SimpleFileFactory(pathFrom, BLOCK_SIZE).GetFileReader();
this.blocksProducer = new BlocksProducer(fileReader,
this.producerQueue);
this.blocksConsumer = new CompressBlocksConsumer(
new CompressedFileFactory(pathTo, fileReader.NumberOfBlocks).GetFileWriter(),
this.consumerCollection);
}
else
{
this.blockGZipper = new BlockGZipDecompressor();
this.consumerCollection = new BlockingDictionary();
this.blocksProducer = new BlocksProducer(
new CompressedFileFactory(pathFrom).GetFileReader(),
this.producerQueue);
this.blocksConsumer = new DecompressBlocksConsumer(
new SimpleFileFactory(pathTo).GetFileWriter(),
this.consumerCollection);
}
this.End = new AutoResetEvent(false);
}
static bool CheckExtensions(string pathFrom, string pathTo, GZipOperation operation)
{
FileInfo fileFrom = new FileInfo(pathFrom);
FileInfo fileTo = new FileInfo(pathTo);
if (operation == GZipOperation.Compress)
{
if (fileFrom.Extension != ".gz" && fileTo.Extension == ".gz")
{
return(true);
}
else
{
return(false);
}
}
else
{
if (fileFrom.Extension == ".gz" && fileTo.Extension != ".gz")
{
return(true);
}
else
{
return(false);
}
}
}
static int Main(string[] args)
{
logger.Info("Hello!");
string pathFrom = "";
string pathTo = "";
GZipOperation operation = 0;
string[] instructions = args;
IProcessManager processManager = null;
if (instructions.Length == 3 &&
(instructions[0] == "compress" || instructions[0] == "decompress"))
{
if (instructions[0] == "compress")
{
operation = GZipOperation.Compress;
}
else
{
operation = GZipOperation.Decompress;
}
pathFrom = instructions[1];
pathTo = instructions[2];
}
else
{
logger.Error("Wrong input file format");
return(-1);
}
if (CheckExtensions(pathFrom, pathTo, operation))
{
try
{
processManager = new GZipProcessManager(pathFrom, pathTo, operation);
logger.Info("Process started");
processManager.StartProcess().WaitOne();
if (processManager.Exception == null)
{
logger.Info("Successful");
return(0);
}
else
{
throw processManager.Exception;
}
}
catch (Exception ex)
{
logger.Error(ex.Message);
return(-1);
}
}
else
{
logger.Error("Wrong input/output file format");
return(-1);
}
}
private void Decompress(string source, string target)
{
try
{
using var sourceStream = File.OpenRead(source);
using var targetStream = File.Open(target, FileMode.Create);
var operation = new GZipOperation(new DecompressorDataTransform());
var processor = new DecompressApplicationProcessor(operation);
processor.Process(sourceStream, targetStream);
}
catch (Exception e)
{
_logger.Exception(e);
}
}
