Java Convert EPUB to PDF Programmatically | Page Setup Password PDF

readme.md

You can read all the details at: Convert EPUB to PDF Programmatically with Java

convert-epub-pdf-java.java

// Open an existing EPUB file for reading
try (FileInputStream fileInputStream = new FileInputStream(dataDir + "input.epub")) {
    
    // Initialize PdfSaveOptions class object
    PdfSaveOptions options = new PdfSaveOptions();
    
    // Call the ConvertEPUB method to convert the EPUB to PDF
    Converter.convertEPUB(fileInputStream, options, dataDir + "output.pdf");
}

convert-epub-pdf-page.java

// Open an existing EPUB file for reading
try (FileInputStream fileInputStream = new FileInputStream(dataDir + "input.epub")) {
    PdfSaveOptions options = new PdfSaveOptions();
    
    Page page = new Page();
    // Set page size
    Size size = new Size(Length.fromInches(12), Length.fromInches(10));
    
    // Set page Margin
    Margin margin = new Margin(Length.fromInches(1), Length.fromInches(1), Length.fromInches(1), Length.fromInches(1));    
    page.setSize(size);
    page.setMargin(margin);
    
    // Set page background color
    options.setBackgroundColor(Color.getAliceBlue());        
    options.getPageSetup().setAnyPage(page);
    
    // Call the ConvertEPUB method to convert the EPUB to PDF
    Converter.convertEPUB(fileInputStream, options, dataDir + "output.pdf");    
}

convert-epub-pdf-password.java

// Open an existing EPUB file for reading
try (FileInputStream fileInputStream = new FileInputStream(dataDir + "input.epub")) {

    // Set PDF password and encryption information
    PdfEncryptionInfo info = new PdfEncryptionInfo("user" , "owner" , PdfPermissions.AssembleDocument, PdfEncryptionAlgorithm.RC4_128);

    // Initialize PdfSaveOptions class object
    PdfSaveOptions options = new PdfSaveOptions();
    options.setEncryption(info);    
             
    // Call the ConvertEPUB method to convert the EPUB to PDF
    Converter.convertEPUB(fileInputStream, options, dataDir + "output.pdf");
}

i got an error below:
class com.aspose.html.internal.ms.System.InvalidOperationException: Cannot find a required cmap table.
how to fix it ?
my env is idea+jdk1.8. mbp.