Boolean isBuffered = Boolean.valueOf(request.getParameter(BaseHttpServlet.BUFFERED_OUTPUT_REQUEST_PARAMETER));
if (isBuffered.booleanValue())
{
FileBufferedOutputStream fbos = new FileBufferedOutputStream();
JRXlsAbstractExporter exporter = getXlsExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, fbos);
exporter.setParameter(JRXlsAbstractExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
exporter.setParameter(JRXlsAbstractExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
try
{
exporter.exportReport();
fbos.close();
if (fbos.size()> 0)
{
response.setContentType(getResponseContentType());
setResponseHeader(response);
response.setContentLength(fbos.size());
ServletOutputStream ouputStream = response.getOutputStream();
try
{
fbos.writeData(ouputStream);
fbos.dispose();
ouputStream.flush();
}
finally
{
if (ouputStream != null)
{
try
{
ouputStream.close();
}
catch (IOException ex)
{
}
}
}
}
}
catch (JRException e)
{
throw new ServletException(e);
}
finally
{
fbos.close();
fbos.dispose();
}
// else
// {
// response.setContentType("text/html");
// PrintWriter out = response.getWriter();
// out.println("<html>");
// out.println("<body bgcolor=\"white\">");
// out.println("<span class=\"bold\">Empty response.</span>");
// out.println("</body>");
// out.println("</html>");
// }
}
else
{
response.setContentType(getResponseContentType());
setResponseHeader(response);
JRXlsAbstractExporter exporter = getXlsExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
OutputStream ouputStream = response.getOutputStream();
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
exporter.setParameter(JRXlsAbstractExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
exporter.setParameter(JRXlsAbstractExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
try
{
exporter.exportReport();
}
catch (JRException e)
{
throw new ServletException(e);
}