private int[] getSelectedRows(int[] selectedRowsNumber, Map[] selectedRowsKeys, Tab tab) {
    if (selectedRowsKeys == null || selectedRowsKeys.length == 0) return new int[0];
    // selectedRowsNumber is the most performant so we use it when possible
    else if (selectedRowsNumber.length == selectedRowsKeys.length) return selectedRowsNumber;
    else {
      // find the rows from the selectedKeys

      // This has a poor performance, but it covers the case when the selected
      // rows are not loaded for the tab, something that can occurs if the user
      // select rows and afterwards reorder the list.
      try {
        int[] s = new int[selectedRowsKeys.length];
        List selectedKeys = Arrays.asList(selectedRowsKeys);
        int end = tab.getTableModel().getTotalSize();
        int x = 0;
        for (int i = 0; i < end; i++) {
          Map key = (Map) tab.getTableModel().getObjectAt(i);
          if (selectedKeys.contains(key)) {
            s[x] = i;
            x++;
          }
        }
        return s;
      } catch (Exception ex) {
        log.warn(XavaResources.getString("fails_selected"), ex);
        throw new XavaException("fails_selected");
      }
    }
  }
  public String buildEventSelect(Notification notice) throws IOException, FileNotFoundException {
    // The list of events needs to be transposed to (label, uei) in
    // order to sort it by label for display.
    List eventVendors =
        EventConfigurationManager.getEventsByVendor(NotificationWizardServlet.WT_VENDOR_NAME);
    StringBuffer buffer = new StringBuffer();
    SortedMap sortedEvents = (SortedMap) new TreeMap();

    List excludeList = NotificationWizardServlet.getExcludeList();

    for (Iterator iter = eventVendors.iterator(); iter.hasNext(); ) {
      com.jjlabs.model.EventVendor e = (com.jjlabs.model.EventVendor) iter.next();
      sortedEvents.put(e.getLabel(), e);
    }

    Iterator j = sortedEvents.keySet().iterator();

    while (j.hasNext()) {
      String label = (String) j.next();
      com.jjlabs.model.EventVendor e = (com.jjlabs.model.EventVendor) sortedEvents.get(label);
      String uei = e.getUei();
      String trimmedUei = NotificationWizardServlet.stripUei(uei);

      if (!excludeList.contains(trimmedUei)) {
        boolean foundUei = NotificationWizardServlet.isEventInNotification(notice, e);
        int id = e.getId();

        if (foundUei) {
          buffer.append("<option selected VALUE=\"" + id + "\">" + label + "</option>");
        } else {
          buffer.append("<option value=\"" + id + "\">" + label + "</option>");
        }
      }
    }

    return buffer.toString();
  }
  /**
   * Builds the vendor events tree.
   *
   * @param notice the selected notification so that events that match this notification can be
   *     preselected
   * @param vendorExcludeList a list of vendors to exclude from the result
   * @return an xml tree of vendors and their events
   */
  public String buildTree(Notification notice, List vendorExcludeList)
      throws IOException, FileNotFoundException {
    StringBuffer buffer = new StringBuffer();
    String itemPrefix = "i_";
    String sectionPrefix = "s_";
    int sid = 1, iid = 1;
    List ueiExcludeList = NotificationWizardServlet.getExcludeList();

    buffer
        .append("<xTree>")
        .append("<item id=\"")
        .append(sectionPrefix)
        .append(sid)
        .append("\">")
        .append("<itemPrimaryData><![CDATA[System Monitoring Events]]></itemPrimaryData>")
        .append("<subitems>");

    List vendors = EventConfigurationManager.getVendorNames();
    for (Iterator iter = vendors.iterator(); iter.hasNext(); ) {
      String vendor = (String) iter.next();

      // Don't show any excluded vendors
      if (vendorExcludeList != null && vendorExcludeList.contains(vendor)) {
        continue;
      }

      sid++;

      buffer
          .append("<item id=\"")
          .append(sectionPrefix)
          .append(sid)
          .append("\">")
          .append("<itemPrimaryData><![CDATA[<input type=\"checkbox\" id=\"c_")
          .append(sectionPrefix)
          .append(sid)
          .append("\" onClick=\"tcs('")
          .append(sectionPrefix)
          .append(sid)
          .append("');us()\">");

      // Write the vendor name
      buffer.append(vendor);

      buffer.append("]]></itemPrimaryData>").append("<subitems>");

      // Now write all the events for the vendor.
      List eventVendors = EventConfigurationManager.getEventsByVendor(vendor);
      SortedMap sortedEvents = (SortedMap) new TreeMap();
      for (Iterator iter2 = eventVendors.iterator(); iter2.hasNext(); ) {
        com.jjlabs.model.EventVendor e = (com.jjlabs.model.EventVendor) iter2.next();
        sortedEvents.put(e.getLabel(), e);
      }

      for (Iterator iter2 = sortedEvents.entrySet().iterator(); iter2.hasNext(); ) {
        Map.Entry entry = (Map.Entry) iter2.next();
        com.jjlabs.model.EventVendor e = (com.jjlabs.model.EventVendor) entry.getValue();
        String uei = e.getUei();

        if (!ueiExcludeList.contains(NotificationWizardServlet.stripUei(uei))) {
          iid++;
          boolean inNotification = NotificationWizardServlet.isEventInNotification(notice, e);

          buffer
              .append("<item id=\"")
              .append(itemPrefix)
              .append(iid)
              .append("\">")
              .append(
                  "<itemPrimaryData><![CDATA[<input type=\"checkbox\" name=\"tree_check\" id=\"c_")
              .append(itemPrefix)
              .append(iid)
              .append("\" value=\"")
              .append(e.getId())
              .append("\" onClick=\"us()\"")
              .append((inNotification ? " checked" : ""))
              .append(">");

          // Write the event info
          buffer.append(e.getLabel());

          buffer.append("]]></itemPrimaryData>").append("</item>");
        }
      }

      buffer.append("</subitems></item>");
    }

    buffer.append("</subitems></item></xTree>");

    return buffer.toString();
  }