JasperReports: How to call the report in jsp page

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  1. Compile the report in iReport
  2. Place the compiled report on the classpath

  3. load it with 

    JasperReport jasperReport = (JasperReport) JRLoader.loadObject(inputStream);

  4. Fill it with data. dataSource is the DataSource instance you have – for example a BeanCollectionDataSource

    JasperPrint jasperPrint = 
     JasperFillManager.fillReport(jasperReport, params, dataSource);

  5. Export it

    JRPdfExporter exporter = new JRPdfExporter();
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outputStream);
exporter.exportReport();

  6. The outputStream above may be either a response.getOutputStream() or a FileOutputStream(), depending on whether you want to send it to a client or you want to store it as a file. If you want to send it to the client, you’d have to send the Content-Disposition header, and some more, but that depends on the format you want to save to. In case you want to print on the client, it’s quite a different question – you’d need some client-side code, an applet, for example.

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