Getting exported crystal report as bytearrayoutputstream for saving into database

See more:

Java

CrystalReports

servlet

I am getting a crystal report from the server and I need to save the pdf file automatically into database.
How can I get the exported crystal report as ByteArrayOutputStream

What I have tried:

ReportExportControl exportControl = new ReportExportControl();

exportControl.setReportSource(reportSource);
exportControl.setParameterFields(parameterFields);
exportControl.setDatabaseLogonInfos(oConnectionInfos);
exportControl.setExportAsAttachment(true);
exportControl.setOwnPage(true);
exportControl.setProductLocale(new Locale("en", "US"));

ExportOptions exportOptions = new ExportOptions();
exportOptions.setExportFormatType(ReportExportFormat.PDF);

exportControl.setExportOptions(exportOptions);

XBoeTools.getInstance().setOutHeadderForResponse(request, response, "PDF");

exportControl.processHttpRequest(request, response, getServletConfig().getServletContext(), null);