Spire.PDF for Java 12.5.1、PDF 変換時の進捗コールバック機能を追加

class CustomProgressNotifier implements IProgressNotifier {
    StringBuilder str = new StringBuilder();
    private String outputFile;

    public CustomProgressNotifier(String outputFile) {
        this.outputFile = outputFile;
    }

    @Override
    public void notify(float progress) {
        str.append("==============Progress: ").append(progress).append("%==============\n");
        try {
            Files.writeString(Paths.get(outputFile), str.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

//using 
PdfDocument pdf=new PdfDocument();
pdf.loadFromFile("test.pdf");
pdf.registerProgressNotifier(new CustomProgressNotifier("Progress.txt"));
pdf.saveToFile("out.docx", FileFormat.DOCX);
pdf.dispose();