How to merge two pdf documents into a single report in JasperReports?

Question

I am new to JasperReports. I can create a simple PDF document with Javabean datasource. In my project I have created two separate pdf document with separate javabean datasou

Answer 1

You can use use a list of JasperPrint like this:

List jasperPrintList = new ArrayList();

jasperPrintList.add(JasperFillManager.fillReport("Report_file1.jasper", getReportMap(1), new JREmptyDataSource()));
jasperPrintList.add(JasperFillManager.fillReport("Report_file2.jasper", getReportMap(2), new JREmptyDataSource()));
jasperPrintList.add(JasperFillManager.fillReport("Report_file3.jasper", getReportMap(3), new JREmptyDataSource()));

JRPdfExporter exporter = new JRPdfExporter();

exporter.setExporterInput(SimpleExporterInput.getInstance(jasperPrintList));
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput("Report_PDF.pdf"));
SimplePdfExporterConfiguration configuration = new SimplePdfExporterConfiguration();
configuration.setCreatingBatchModeBookmarks(true);
exporter.setConfiguration(configuration);

exporter.exportReport();