PDFBoxEncryptingFile.java

import java.io.File;
import java.io.IOException;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.encryption.AccessPermission;
import org.apache.pdfbox.pdmodel.encryption.StandardProtectionPolicy;



public class Main {

	public static void main(String[] args) throws IOException {
		PDDocument pdDocument =PDDocument.load(new File("new.pdf"));

		AccessPermission access=new AccessPermission();
		access.setCanPrint(false);
		
		
		StandardProtectionPolicy policy=new StandardProtectionPolicy("123", "456", access);
		
		pdDocument.protect(policy);
		pdDocument.save("new.pdf");
		
		
	}
}