read spool file using java

Hi
I am trying to read a spool file using jt400 and java
program, here is the code , but all i get is junk 
has anyone read spool file using jt400.

SpooledFile sf = new
SpooledFile(as400,"TESTDATA",000001,"QPADEV0055" ,
"CXASH", "166703");
PrintObjectInputStream inputStream =
sf.getInputACIFMergedStream(true);
System.out.println ("size " +
inputStream.available());
BufferedReader d
          = new BufferedReader(new
InputStreamReader(inputStream));
          String data ="";
          while((data = d.readLine() )!=null)
          {
                System.out.println (data);
                }
Ashish


                
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