public MetaDoPS(InputStream in,
    PdfContentByte cb) 
{
    this.cb = cb;
    this.in = in;
}

 public  void readAll() throws IOException, DocumentException 
{
    cb.saveState();
    java.awt.Graphics2D g2 = cb.createGraphicsShapes(PageSize.A4.
        width(), PageSize.A4.height());
    try {
      PAContext context = new PAContext( (Graphics2D) g2,
                                        new Dimension( (int) PageSize.A4.width(),
          (int) PageSize.A4.height()));
      context.draw(new BufferedInputStream(in));
      // ( (Graphics2D) backBuffer.getGraphics()).dispose();
      in.close();
    }
    catch (IOException ex) {
      ex.printStackTrace();
    }
    catch (PainterException ex) {
      ex.printStackTrace();
    }
    cb.restoreState();
}