SQL> create or replace and resolve java source named encryptpdf as
  2
  3  import com.itextpdf.text.pdf.PdfReader;
  4  import com.itextpdf.text.pdf.PdfStamper;
  5  import java.io.FileNotFoundException;
  6  import java.io.FileOutputStream;
  7  import java.io.IOException;
  8
  9
 10  public class EncryptPdf
 11  {
 12
 13  public static void manipulatePdf(String src, String dest , String USER_PASSWORD , String OWNER_PASSWORD ) throws IOException {
 14  try
 15  {
 16  PdfReader pdfReader = new PdfReader(src);
 17  PdfStamper pdfStamper = new PdfStamper(pdfReader,new FileOutputStream(dest));
 18  pdfStamper.setEncryption(USER_PASSWORD.getBytes(),OWNER_PASSWORD.getBytes(),2052,10);
 19  pdfStamper.close();
 20  }
 21  catch (FileNotFoundException e)
 22  {
 23  e.printStackTrace();
 24  }
 25
 26  }
 27  }
 28  /

Warning: Java created with compilation errors.

SQL> sho err
Errors for JAVA SOURCE "ENCRYPTPDF":
LINE/COL ERROR
-------- -------------------------------------------------------------------------------------
0/0      ENCRYPTPDF:1: cannot find symbol
0/0      6 errors
0/0      location: package com.itextpdf.text.pdf
0/0      import com.itextpdf.text.pdf.PdfReader;
0/0      ^
0/0      ENCRYPTPDF:2: cannot find symbol
0/0      symbol  : class PdfStamper
0/0      location: package com.itextpdf.text.pdf
0/0      import com.itextpdf.text.pdf.PdfStamper;
0/0      ^
0/0      ENCRYPTPDF:14: cannot find symbol
0/0      symbol  : class PdfReader
0/0      location: class EncryptPdf
0/0      PdfReader pdfReader = new PdfReader(src);
0/0      ^
0/0      ENCRYPTPDF:14: cannot find symbol
0/0      symbol  : class PdfReader
0/0      location: class EncryptPdf
0/0      PdfReader pdfReader = new PdfReader(src);
0/0      ^
0/0      ENCRYPTPDF:15: cannot find symbol
0/0      symbol  : class PdfStamper
0/0      location: class EncryptPdf
0/0      PdfStamper pdfStamper = new PdfStamper(pdfReader,new FileOutputStream(dest));
0/0      ^
0/0      ENCRYPTPDF:15: cannot find symbol
0/0      symbol  : class PdfStamper
0/0      location: class EncryptPdf
0/0      PdfStamper pdfStamper = new PdfStamper(pdfReader,new FileOutputStream(dest));
0/0      ^
0/0      symbol  : class PdfReader

SQL> create or replace and resolve java source named encryptpdf as
  2
  3  import com.itextpdf.text.pdf.PdfReader;
  4  import com.itextpdf.text.pdf.PdfStamper;
  5  import java.io.FileNotFoundException;
  6  import java.io.FileOutputStream;
  7  import java.io.IOException;
  8
  9
 10  public class EncryptPdf
 11  {
 12
 13    public static void manipulatePdf(String src, String dest , String USER_PA
SSWORD , String OWNER_PASSWORD ) throws IOException {
 14       try
 15       {
 16       PdfReader pdfReader = new PdfReader(src);
 17       PdfStamper pdfStamper = new PdfStamper(pdfReader,new FileOutputStream(
dest));
 18       pdfStamper.setEncryption(USER_PASSWORD.getBytes(),OWNER_PASSWORD.getBy
tes(),2052,10);
 19       pdfStamper.close();
 20        }
 21       catch (FileNotFoundException e)
 22        {
 23                e.printStackTrace();
 24        }
 25
 26    }
 27  }
 28  /

Java created.

Elapsed: 00:00:00.15

create or replace
PROCEDURE PR_encryptpdf_1 (src in varchar2,dest in varchar2,user_pwd in varchar2,owner_pwd in varchar2)
AS LANGUAGE JAVA
NAME 'EncryptPdf.manipulatePdf(java.lang.String ,java.lang.String ,java.lang.String ,java.lang.String)';

DECLARE
  SRC VARCHAR2(2000);
  DEST VARCHAR2(2000);
  USER_PWD VARCHAR2(200);
  OWNER_PWD VARCHAR2(200);
BEGIN
  SRC := '/SANVOL/DW_REPORTS/REPORTS/CRDB_Statements/4010390898001.pdf';
  DEST := '/SANVOL/DW_REPORTS/REPORTS/CRDB_Statements/4010390898001_u.pdf';
  USER_PWD := 'test';
  OWNER_PWD := 'kill';

  PR_ENCRYPTPDF_1(
    SRC => SRC,
    DEST => DEST,
    USER_PWD => USER_PWD,
    OWNER_PWD => OWNER_PWD
  );
END;