@Override
  public void ioReceived(IOInstance inst, int ret, Log... out) {
    if (inst == robot) {

      // Deal with streaming...
      LogSearching.Criteria criteria =
          LogSearching.criteriaAt(display.streamComboBox.getSelectedIndex());

      if (criteria != null) {
        Log pass = null;

        for (Log l : out) {
          if (criteria.fits(l.getFullDescription())) pass = l;
        }

        if (pass != null) displayLog(pass);
      }

      // Deal with adding to groups (i.e. keeping)...
      assert (lastGroup != null);
      for (Log l : out) {
        if (shouldKeep(l.jvm_unique_id)) lastGroup.add(LogReference.referenceFromLog(l));
      }

      Events.GLogsFound.generate(this, out);
    } else {
      Debug.error("%s got %d surprising logs from %s", this, out.length, inst);
    }
  }
  private void controlLoadAction() {
    if (robot == null) {
      Path selected = (Path) display.pathBox.getSelectedItem();
      if (selected == null) {
        Debug.error("null path");
        ToolMessage.display("load action: null path", Color.RED);
        return;
      }

      if (FileIO.isValidLogFolder(selected)) {
        updateComboBoxAndSettings(display.pathBox, UserSettings.loadPathes, selected);

        lastGroup = Group.groupFromPath(selected);
        LogReference[] added;
        try {
          added = FileIO.readAllRefsFromPath(selected, true);
        } catch (Throwable e) {
          ToolMessage.displayError(
              "error {%s} (see below) reading Log refs from %s", e.getMessage(), selected);
          e.printStackTrace();

          return;
        }
        lastGroup.add(added);

        // Log[] addedLogs = new Log[added.length];
        // for (int i = 0; i < added.length; ++i)
        // addedLogs[i] = added[i].get();

        ToolMessage.displayInfo("loaded %d logs into %s", added.length, lastGroup);

        Events.GGroupAdded.generate(this, lastGroup);
        Events.GLogRefsFound.generate(this, added);
        // Events.GLogsFound.generate(this, addedLogs);

        display.leftSideTabs.setSelectedComponent(display.logTab);
      } else {
        Debug.error("invalid Log folder: " + selected.toString());
        ToolMessage.display("invalid Log folder: " + selected.toString(), Color.RED);
        return;
      }

    } else {
      Debug.error("cannot load session while streaming (%s)", robot);
      ToolMessage.display("cannot load session while streaming", Color.ORANGE);
    }
  }