/** Opens a dialog that displays the operational attributes of the current entry. */
  public void displayOperationalAttributes() {
    JXplorerBrowser jx = null;

    if (owner instanceof JXplorerBrowser) jx = (JXplorerBrowser) owner;
    else return;

    showingOperationalAttributes = !showingOperationalAttributes;

    // EJP 17 August 2010.
    // CB 14 August 2012 - some directories (looking at you Active Directory) don't support the '+'
    // operator... so do it manually as well...
    String[] opAttrs = {
      "+",
      "createTimeStamp",
      "creatorsName",
      "entryFlags",
      "federationBoundary",
      "localEntryID",
      "modifiersName",
      "modifyTimeStamp",
      "structuralObjectClass",
      "subordinateCount",
      "subschemaSubentry"
    };
    DXEntry entry = null;

    if (showingOperationalAttributes) {
      try {
        entry = (jx.getSearchBroker()).unthreadedReadEntry(currentDN, opAttrs);
        StringBuffer buffy = new StringBuffer("DN: " + currentDN.toString() + "\n\n");

        // Get the attribute values...
        // EJP 17 August 2010: use the actual attributes returned.
        NamingEnumeration ne = null;

        try {
          ne = entry.getAll();
          while (ne.hasMore()) {
            DXAttribute att = (DXAttribute) ne.next();
            buffy.append(att.getName() + ": " + att.get().toString() + "\n");

            tableData.insertOperationalAttribute(att);
          }
        } finally {
          if (ne != null) ne.close();
        }

        tableData.fireTableDataChanged();
      } catch (NamingException e) {
        CBUtility.error(
            TableAttributeEditor.this, CBIntText.get("Unable to read entry " + currentDN), e);
      }
    } else {
      tableData.removeOperationalAttributes();
      tableData.fireTableDataChanged();
    }
  }