java - How to generate password protected pdf using birt report engine api -


i have used birt report engine api generate pdf using external oracle data source. generate design have used eclipse birt report designer. next task make pdf password protected . please guide in doing same. below code generate pdf

package com.birt.main; import org.eclipse.birt.core.exception.birtexception; import org.eclipse.birt.core.framework.platform; import org.eclipse.birt.report.engine.api.engineconfig; import org.eclipse.birt.report.engine.api.engineexception; import org.eclipse.birt.report.engine.api.ireportrunnable; import org.eclipse.birt.report.engine.api.irunandrendertask; import org.eclipse.birt.report.engine.api.pdfrenderoption; import org.eclipse.birt.report.engine.api.reportengine;  public class mainpdf {      public static void main(string[] args){         try {             engineconfig config = new engineconfig();              platform.startup(config);              reportengine engine = new reportengine(config);             string reportdesign = "new_report.rptdesign";             ireportrunnable reportrunnable = engine.openreportdesign(reportdesign);             irunandrendertask runandrender = engine.createrunandrendertask(reportrunnable);              pdfrenderoption option = new pdfrenderoption();             option.setoutputfilename("output/resample/mypdf.pdf");             option.setoutputformat("pdf");             runandrender.setrenderoption(option);             runandrender.run();             runandrender.close();             engine.destroy();             platform.shutdown();         } catch (engineexception e) {             e.printstacktrace();         } catch (birtexception e) {             e.printstacktrace();         }     }  }

i using below version 4.2.0 of org.eclipse.birt.runtime screen shot of generated pdf

enter image description here

i got done through itext library . here added code  pdfreader reader = new pdfreader("output/resample/temp.pdf");             pdfstamper stamper = new pdfstamper(reader, new fileoutputstream("output/resample/mypdf.pdf"));             stamper.setencryption(user_pass.getbytes(), owner_pass.getbytes(),                     pdfwriter.allow_printing, pdfwriter.encryption_aes_128);             stamper.close();             reader.close();             system.out.println("done");

temp.pdf 1 generated using birt . resource used here


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