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POhow to display file download dialog for PDF in jax-rs?
 

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    <p>I'm creating REST app and PDF using <code>Jasper Report</code> and would like to display file download dialog for PDF on browser.</p> <p>This is exactly what I am looking for:<br /> <a href="http://www.mkyong.com/webservices/jax-rs/download-pdf-file-from-jax-rs/" rel="nofollow">http://www.mkyong.com/webservices/jax-rs/download-pdf-file-from-jax-rs/</a></p> <p>My code below creates PDF file (MyAwesomeJasperReport25.pdf) but file download dialog does not show up on the browser and I don't understand why.</p> <pre><code>@GET @Path("pdf") @Produces("application/pdf") public Response outputPDF() { OutputStream output = null; try { File jrxmlFile = new File("C:\\Users\\m-takayashiki\\report2.jrxml"); if(jrxmlFile.exists()) { //jrxml compile JasperReport jasperReport = JasperCompileManager.compileReport(jrxmlFile.getAbsolutePath()); //some code emitted JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, params, dataSource); String filePath = "C:\\Users\\m-takayashiki\\MyAwesomeJasperReport25.pdf"; output = new FileOutputStream(new File(filePath)); JasperExportManager.exportReportToPdfStream(jasperPrint, output); // From here trying to ask user to download PDF ResponseBuilder response = Response.ok((Object) filePath); response.header("Content-disposition", "attachment; filename=MyAwesomeJasperReportDownload.pdf"); return response.build(); } } catch(Exception e) { System.out.println("-------------------- PDF exception "); System.out.println(e); return null; } finally { try { if(output != null) { output.close(); } } catch(Exception e) { System.out.println(e); } } } </code></pre>
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