protected void doGetHtml()

in java/com/google/gitiles/RepositoryIndexServlet.java [84:144]
57 lines of code
8 McCabe index (conditional complexity)

  protected void doGetHtml(HttpServletRequest req, HttpServletResponse res) throws IOException {
    GitilesView view = ViewFilter.getView(req);
    Repository repo = ServletUtils.getRepository(req);
    GitilesAccess access = getAccess(req);
    RepositoryDescription desc = access.getRepositoryDescription();

    try (RevWalk walk = new RevWalk(repo)) {
      Paginator paginator = null;
      Map<String, Object> data = Maps.newHashMapWithExpectedSize(7);
      List<Map<String, Object>> tags = RefServlet.getTagsSoyData(req, timeCache, walk, REF_LIMIT);
      ObjectId headId = repo.resolve(Constants.HEAD);
      if (headId != null) {
        RevObject head = walk.parseAny(headId);
        int limit = LOG_LIMIT;
        Map<String, Object> readme = renderReadme(req, walk, view, access.getConfig(), head);
        if (readme != null) {
          data.putAll(readme);
          limit = LOG_WITH_README_LIMIT;
        }
        // TODO(dborowitz): Handle non-commit or missing HEAD?
        if (head.getType() == Constants.OBJ_COMMIT) {
          walk.reset();
          walk.markStart((RevCommit) head);
          paginator = new Paginator(walk, limit, null);
        }
      }
      if (!data.containsKey("entries")) {
        data.put("entries", ImmutableList.of());
      }
      List<Map<String, Object>> branches = RefServlet.getBranchesSoyData(req, REF_LIMIT);

      data.put("cloneUrl", desc.cloneUrl);
      data.put("mirroredFromUrl", Strings.nullToEmpty(desc.mirroredFromUrl));
      data.put("description", Strings.nullToEmpty(desc.description));
      data.put("branches", trim(branches));
      if (branches.size() > REF_LIMIT) {
        data.put("moreBranchesUrl", GitilesView.refs().copyFrom(view).toUrl());
      }
      data.put("tags", trim(tags));
      data.put("hasLog", paginator != null);
      if (tags.size() > REF_LIMIT) {
        data.put("moreTagsUrl", GitilesView.refs().copyFrom(view).toUrl());
      }
      GitilesConfig.putVariant(getAccess(req).getConfig(), "logEntry", "logEntryVariant", data);

      if (paginator != null) {
        DateFormatter df = new DateFormatter(access, Format.DEFAULT);
        try (OutputStream out =
            startRenderStreamingHtml(
                req, res, "com.google.gitiles.templates.RepositoryIndex.repositoryIndex", data)) {
          Writer w = newWriter(out, res);
          new LogSoyData(req, access, "oneline")
              .renderStreaming(
                  paginator, "HEAD", renderer, w, df, LogSoyData.FooterBehavior.LOG_HEAD);
          w.flush();
        }
      } else {
        renderHtml(req, res, "com.google.gitiles.templates.RepositoryIndex.repositoryIndex", data);
      }
    }
  }