How to add password to PDF using Apache PDFBox

AccessPermission ap = new AccessPermission();
        ap.setCanModify(false);
StandardProtectionPolicy policy = new StandardProtectionPolicy(owners_pwd, users_pwd, ap);
doc.protect(policy);
 

Pentaho StepLoader Correction for Version 4 and Version 5

StepLoader.init should be KettleEnvironment.init

Use KettleEnvironment instead of StepLoader