PDF to SVG Experiment

    static void generateSVG(File pdfFile, String svgDir) throws IOException, PrinterException
    {
        PDDocument document = PDDocument.load( pdfFile );
        DOMImplementation domImpl =
            GenericDOMImplementation.getDOMImplementation();

        // Create an instance of org.w3c.dom.Document.
        String svgNS = "http://www.w3.org/2000/svg";
        Document svgDocument = domImpl.createDocument(svgNS, "svg", null);
        SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(svgDocument);
        ctx.setEmbeddedFontsOn(true);

        // Ask the test to render into the SVG Graphics2D implementation.

            for(int i = 0 ; i < document.getNumberOfPages() ; i++){
                String svgFName = svgDir+"page"+i+".svg";
                (new File(svgFName)).createNewFile();
                // Create an instance of the SVG Generator.
                SVGGraphics2D svgGenerator = new SVGGraphics2D(ctx,false);
                Printable page  = document.getPrintable(i);
                page.print(svgGenerator, document.getPageFormat(i), i);
                svgGenerator.stream(svgFName);
            }
    }

//Example Exception
Feb 12, 2014 6:29:36 PM org.apache.pdfbox.util.operator.pagedrawer.Invoke process
INFO: imageWidth: 205       imageHeight: 205
java.lang.NullPointerException
    at org.apache.batik.svggen.ImageHandlerBase64Encoder.encodeImage(ImageHandlerBase64Encoder.java:157)
    at org.apache.batik.svggen.ImageHandlerBase64Encoder.handleHREF(ImageHandlerBase64Encoder.java:133)
    at org.apache.batik.svggen.ImageHandlerBase64Encoder.handleHREF(ImageHandlerBase64Encoder.java:72)
    at org.apache.batik.svggen.DefaultImageHandler.handleImage(DefaultImageHandler.java:63)
    at org.apache.batik.svggen.SimpleImageHandler.handleImage(SimpleImageHandler.java:100)
    at org.apache.batik.svggen.SVGGraphics2D.drawImage(SVGGraphics2D.java:677)
    at org.apache.batik.svggen.SVGGraphics2D.drawImage(SVGGraphics2D.java:868)
    at org.apache.pdfbox.util.operator.pagedrawer.Invoke.process(Invoke.java:113)
    at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:516)
    at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:229)
    at org.apache.pdfbox.util.operator.pagedrawer.Invoke.process(Invoke.java:131)
    at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:516)
    at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:229)
    at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:188)
    at org.apache.pdfbox.pdfviewer.PageDrawer.drawPage(PageDrawer.java:99)
    at org.apache.pdfbox.pdmodel.PDPage.print(PDPage.java:795)
    at pdftosvgtohtml.PDF2SVGBatik.generateSVG(PDF2SVGBatik.java:49)
    at pdftosvgtohtml.PDF2SVGBatik.main(PDF2SVGBatik.java:21)