public void onAfterAddOrUpdate()

in agent/src/main/java/jetbrains/buildServer/torrent/TorrentArtifactCacheListener.java [68:119]
44 lines of code
12 McCabe index (conditional complexity)

  public void onAfterAddOrUpdate(@NotNull File file) {
    if (isTorrentFile(file)) return;
    if (isTeamcityIVYFile(file)) return;

    final String absolutePath = file.getAbsolutePath();
    if (!myTorrentsManager.isTransportEnabled()) {
      LOG.debug("Torrent plugin disabled. Won't seed " + absolutePath);
      return;
    }
    if (!TorrentUtil.shouldCreateTorrentFor(file.length(), myConfiguration)) {
      LOG.debug("Won't create torrent for " + absolutePath + ". Artifact is too small: " + file.length());
      return;
    }
    String announceUrl = myConfiguration.getAnnounceUrl();
    if (announceUrl == null) return;

    TorrentMetadata metadata;
    try {
      metadata = TorrentCreator.create(file, URI.create(announceUrl), "TeamCity Torrent Plugin");
    } catch (Exception e) {
      return;
    }
    if (myTorrentsSeeder.getClient().isSeeding(metadata)) {
      LOG.debug("Already seeding " + absolutePath);
      return;
    }

    File cacheCurrentBuildDir;
    try {
      cacheCurrentBuildDir = getCurrentBuildFolderCache();
    } catch (NoRunningBuildException e) {
      logWarningThatCacheCurrentBuildNotFound(absolutePath);
      return;
    }
    if (cacheCurrentBuildDir == null) {
      logWarningThatCacheCurrentBuildNotFound(absolutePath);
      return;
    }

    if (!isChildFile(cacheCurrentBuildDir, file)) {
      //reference to parent in relative path means that it is artifact from other build. We can skip it
      return;
    }

    File createdTorrentFile = publishTorrentFileAndStartSeeding(file);

    if (createdTorrentFile == null) {
      return;
    }

    createTorrentFileCopyAndAddAsArtifact(createdTorrentFile, file, cacheCurrentBuildDir);
  }