private void setDefaultSchema(HttpServletRequest request) {
   String hibernateDefaultSchemaTab =
       (String) request.getSession().getAttribute("xava_hibernateDefaultSchemaTab");
   if (hibernateDefaultSchemaTab != null) {
     request.getSession().removeAttribute("xava_hibernateDefaultSchemaTab");
     XHibernate.setDefaultSchema(hibernateDefaultSchemaTab);
   }
   String jpaDefaultSchemaTab =
       (String) request.getSession().getAttribute("xava_jpaDefaultSchemaTab");
   if (jpaDefaultSchemaTab != null) {
     request.getSession().removeAttribute("xava_jpaDefaultSchemaTab");
     XPersistence.setDefaultSchema(jpaDefaultSchemaTab);
   }
 }
  public int doStartTag() throws JspException {
    try {
      HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
      ModuleContext context = (ModuleContext) request.getSession().getAttribute("context");

      String viewObject = request.getParameter("viewObject");
      viewObject = (viewObject == null || viewObject.equals("")) ? "xava_view" : viewObject;
      View view = (View) context.get(request, viewObject);

      MetaReference metaReference = view.getMetaReference(reference).cloneMetaReference();
      metaReference.setName(reference);
      String prefix = request.getParameter("propertyPrefix");
      prefix = prefix == null ? "" : prefix;
      String application = request.getParameter("application");
      String module = request.getParameter("module");
      String referenceKey = Ids.decorate(application, module, prefix + reference);
      request.setAttribute(referenceKey, metaReference);
      String editorURL =
          "reference.jsp?referenceKey="
              + referenceKey
              + "&onlyEditor=true&frame=false&composite=false&descriptionsList=true";
      String editorPrefix = Module.isPortlet() ? "/WEB-INF/jsp/xava/" : "/xava/";
      try {
        pageContext.include(editorPrefix + editorURL);
      } catch (ServletException ex) {
        Throwable cause = ex.getRootCause() == null ? ex : ex.getRootCause();
        log.error(cause.getMessage(), cause);
        pageContext.include(editorPrefix + "editors/notAvailableEditor.jsp");
      } catch (Exception ex) {
        log.error(ex.getMessage(), ex);
        pageContext.include(editorPrefix + "editors/notAvailableEditor.jsp");
      }
    } catch (Exception ex) {
      log.error(ex.getMessage(), ex);
      throw new JspException(XavaResources.getString("descriptionsList_tag_error", reference));
    }
    return SKIP_BODY;
  }
  protected void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    try {
      Locales.setCurrent(request);
      if (Users.getCurrent() == null) { // for a bug in websphere portal 5.1 with Domino LDAP
        Users.setCurrent((String) request.getSession().getAttribute("xava.user"));
      }
      request.getParameter("application"); // for a bug in websphere 5.1
      request.getParameter("module"); // for a bug in websphere 5.1
      Tab tab = (Tab) request.getSession().getAttribute("xava_reportTab");
      int[] selectedRowsNumber =
          (int[]) request.getSession().getAttribute("xava_selectedRowsReportTab");
      Map[] selectedKeys = (Map[]) request.getSession().getAttribute("xava_selectedKeysReportTab");
      int[] selectedRows = getSelectedRows(selectedRowsNumber, selectedKeys, tab);
      request.getSession().removeAttribute("xava_selectedRowsReportTab");
      Integer columnCountLimit =
          (Integer) request.getSession().getAttribute("xava_columnCountLimitReportTab");
      request.getSession().removeAttribute("xava_columnCountLimitReportTab");

      setDefaultSchema(request);
      String user = (String) request.getSession().getAttribute("xava_user");
      request.getSession().removeAttribute("xava_user");
      Users.setCurrent(user);
      String uri = request.getRequestURI();
      if (uri.endsWith(".pdf")) {
        InputStream is;
        JRDataSource ds;
        Map parameters = new HashMap();
        synchronized (tab) {
          tab.setRequest(request);
          parameters.put("Title", tab.getTitle());
          parameters.put("Organization", getOrganization());
          parameters.put("Date", getCurrentDate());
          for (String totalProperty : tab.getTotalPropertiesNames()) {
            parameters.put(totalProperty + "__TOTAL__", getTotal(request, tab, totalProperty));
          }
          TableModel tableModel = getTableModel(request, tab, selectedRows, false, true, null);
          tableModel.getValueAt(0, 0);
          if (tableModel.getRowCount() == 0) {
            generateNoRowsPage(response);
            return;
          }
          is = getReport(request, response, tab, tableModel, columnCountLimit);
          ds = new JRTableModelDataSource(tableModel);
        }
        JasperPrint jprint = JasperFillManager.fillReport(is, parameters, ds);
        response.setContentType("application/pdf");
        response.setHeader(
            "Content-Disposition", "inline; filename=\"" + getFileName(tab) + ".pdf\"");
        JasperExportManager.exportReportToPdfStream(jprint, response.getOutputStream());
      } else if (uri.endsWith(".csv")) {
        String csvEncoding = XavaPreferences.getInstance().getCSVEncoding();
        if (!Is.emptyString(csvEncoding)) {
          response.setCharacterEncoding(csvEncoding);
        }
        response.setContentType("text/x-csv");
        response.setHeader(
            "Content-Disposition", "inline; filename=\"" + getFileName(tab) + ".csv\"");
        synchronized (tab) {
          tab.setRequest(request);
          response
              .getWriter()
              .print(
                  TableModels.toCSV(
                      getTableModel(request, tab, selectedRows, true, false, columnCountLimit)));
        }
      } else {
        throw new ServletException(
            XavaResources.getString("report_type_not_supported", "", ".pdf .csv"));
      }
    } catch (Exception ex) {
      log.error(ex.getMessage(), ex);
      throw new ServletException(XavaResources.getString("report_error"));
    } finally {
      request.getSession().removeAttribute("xava_reportTab");
    }
  }