private static void doCheckout()

in src/org/jetbrains/tfsIntegration/core/TFSCheckoutProvider.java [69:133]
56 lines of code
8 McCabe index (conditional complexity)

  private static void doCheckout(final CheckoutWizardModel model, final Listener listener) {
    final Collection<VcsException> errors = new ArrayList<>();
    final Ref<FilePath> localRoot = new Ref<>();

    Runnable checkoutRunnable = () -> {
      ProgressIndicator progressIndicator = ProgressManager.getInstance().getProgressIndicator();
      try {
        final WorkspaceInfo workspace;
        if (model.getMode() == CheckoutWizardModel.Mode.Auto) {
          workspace = createWorkspace(model);
        }
        else {
          workspace = model.getWorkspace();
        }
        localRoot.set(workspace.findLocalPathByServerPath(model.getServerPath(), true, null));

        // TODO when checking out after working folder mappings were changed, GetOps may contain inappropriate 'move' operations

        final List<GetOperation> operations = workspace.getServer().getVCS()
          .get(workspace.getName(), workspace.getOwnerName(), model.getServerPath(), LatestVersionSpec.INSTANCE, RecursionType.Full, null,
               null);

        final Collection<VcsException> applyErrors = ApplyGetOperations
          .execute(ProjectManager.getInstance().getDefaultProject(), workspace, operations,
                   new ApplyProgress.ProgressIndicatorWrapper(progressIndicator), null, ApplyGetOperations.DownloadMode.ALLOW);
        // TODO: DownloadMode.FORCE?
        errors.addAll(applyErrors);
      }
      catch (TfsException e) {
        errors.add(new VcsException(e.getMessage(), e));
      }
    };

    ProgressManager.getInstance()
      .runProcessWithProgressSynchronously(checkoutRunnable, "Checkout from TFS", true, ProjectManager.getInstance().getDefaultProject());

    if (errors.isEmpty()) {
      final Runnable listenerNotificationRunnable = () -> {
        if (listener != null) {
          if (errors.isEmpty()) {
            listener.directoryCheckedOut(new File(localRoot.get().getPath()), TFSVcs.getKey());
          }
          listener.checkoutCompleted();
        }
      };

      VirtualFile vf = VcsUtil.getVirtualFile(localRoot.get().getPath());
      if (vf != null) {
        vf.refresh(true, true, () -> {
          final ModalityState current = ModalityState.current();
          ApplicationManager.getApplication().invokeLater(listenerNotificationRunnable, current);
        });
      }
      else {
        listenerNotificationRunnable.run();
      }
    }
    else {
      StringBuilder errorMessage = new StringBuilder("The following errors occurred during checkout:\n\n");
      for (VcsException e : errors) {
        errorMessage.append(e.getMessage()).append("\n");
      }
      Messages.showErrorDialog(errorMessage.toString(), TFSBundle.message("checkout.from.tfs.error.dialog.title"));
    }
  }