// Prepare HTML code and save it to a file
String code = "<span>Hello, World!!</span>";
try (java.io.FileWriter fileWriter = new java.io.FileWriter("document.html")) {
    fileWriter.write(code);
}

// Initialize an HTML document from the file
HTMLDocument document = new HTMLDocument("canvas.html");

// Initialize XpsSaveOptions
XpsSaveOptions options = new XpsSaveOptions();

// Convert HTML to XPS
Converter.convertHTML(document, options, "canvas-output.xps");