How to do "ExtractImages"?

[androidkencai]

we can extract images in a pdf file by using the script below
java -jar pdfbox-app-2.0.0.jar ExtractImages pdfWithImages.pdf

I tried let image = page.getImageSync(); it converted the entire pdf to image but not extract images inside. How to do ExtractImages?

thanks!
KC

[vaibhavbhuva]

let document = Document.loadSync(`PDF_PATH`);
let numberOfPages = document.pagesCountSync();
for (let pageNumber = 0; pageNumber < numberOfPages; pageNumber++) {
  var page = document.getPageSync(pageNumber);
  let image = page.getImageSync(scale);
  image.saveSync(`DESTINATION_PATH`, 'jpg');
}