sesja

String base64String = "";
                    final String base64Action = Base64Utils.encode(String.valueOf(windowCode));
                    final String username = (String) this.req.getSession().getAttribute("j_username_crm");
                    if ((username != null) && !username.isEmpty()) {
                        final String base64Username = Base64Utils.encode(username.toLowerCase());
                        final String base64Password = Base64Utils.encode((String) this.req.getSession().getAttribute("j_password_crm"));
                        final String base64Ps = Base64Utils.encode(this.crmContext.get(CRM.salesPointOfBranch));
                        base64String = base64Action + "," + base64Username + "," + base64Password + "," + base64Ps;
                        base64String = base64String.replace("=", "");
                        this.req.getSession().setAttribute("base64String", base64String);
                        IframeHelper.invokeFrameset(this.req, this.resp, Frameset.DESTROY_CARD_DB, parametersTop, parametersBot);
                    }
                    else {
                        final HttpSession s = this.req.getSession();
                        s.invalidate();

                        this.req.getRequestDispatcher("/page/crm/invalidSession.jsp").forward(this.req, this.resp);
                        return;
                    }
                    break;