public void downloadAndShareOrFail()

in common/src/main/java/jetbrains/buildServer/torrent/torrent/TeamcityTorrentClient.java [204:257]
50 lines of code
4 McCabe index (conditional complexity)

  public void downloadAndShareOrFail(@NotNull final File torrentFile,
                                     @NotNull final List<String> fileNames,
                                     @NotNull final String hexInfoHash,
                                     @NotNull final File destFile,
                                     @NotNull final File destDir,
                                     @NotNull final FileProgress fileDownloadProgress,
                                     final int downloadTimeoutMs,
                                     final int minSeedersCount,
                                     final int maxTimeoutForConnect) throws Exception {
    checkThatTorrentContainsFile(fileNames, destFile);

    destDir.mkdirs();
    if (myCommunicationManager.containsTorrentWithHash(hexInfoHash)){
      LOG.info("Already seeding torrent with hash " + hexInfoHash + ". Stop seeding and try download again");
      stopSeeding(torrentFile);
    }
    LOG.info(String.format("Will attempt to download uninterruptibly %s into %s. Timeout:%d",
            destFile.getAbsolutePath(), destDir.getAbsolutePath(), downloadTimeoutMs));

    TorrentMetadataProvider metadataProvider = new FileMetadataProvider(torrentFile.getAbsolutePath());
    TorrentMetadata metadata = metadataProvider.getTorrentMetadata();
    FileCollectionStorage fileCollectionStorage = FileCollectionStorage.create(metadata, destDir);
    PieceStorage pieceStorage = EmptyPieceStorageFactory.INSTANCE.createStorage(metadata, fileCollectionStorage);

    TorrentDownloader torrentDownloader = new TorrentDownloader(
            metadata,
            fileDownloadProgress,
            minSeedersCount,
            maxTimeoutForConnect,
            downloadTimeoutMs
    );

    myCommunicationManager.addTorrent(
            metadataProvider,
            pieceStorage,
            Collections.<TorrentListener>singletonList(torrentDownloader)
    );
    Exception exception = null;
    try {
      torrentDownloader.awaitDownload();
    } catch (Exception e) {
      exception = e;
    }
    try {
      myCommunicationManager.removeTorrent(metadata.getHexInfoHash());
      pieceStorage.close();
    } finally {
      boolean downloadFailed = exception != null;
      if (downloadFailed) {
        fileCollectionStorage.delete();
        throw exception;
      }
    }
  }