How display several PDF pages using PDFBox

Question

I'm using PDFbox to render a PDF with multiple pages and forms, in a java applet, that it's going to be used in an HTML page. The applet needs to render all of the PDF pages one after another (vertically) and update the render when form values change.

Currently, for each PDPage in the PDocument, I'm creating a PDFPagePanel and adding it to a JPanel, that afterwards is being added to the getContentPane() Panel.

Question:

1. Is there a better / more efficient way to do this, specially if it allows me to scale the applet and use the browser scroll, instead of implementing a scroll inside the panel ?

JPanel creation code snippet:

public static JPanel createPanelWithAllPages(PDDocument pdfDoc) {
    JPanel docPanel = new JPanel();
    docPanel.setLayout(new BoxLayout(docPanel, BoxLayout.Y_AXIS));
    List<PDPage> docPages = pdfDoc.getDocumentCatalog().getAllPages();

    for (PDPage page : docPages) {
        PDFPagePanel pagePanel = new PDFPagePanel();
        pagePanel.setPage(page);

        docPanel.add(pagePanel);
    }

    return docPanel;
}