Question

It’s possible to convert an Image object To FormFile object ..?

Answer 1

Are you referring to the Apache Struts FormFile? If so, then you’d probably want to be creating a CommonsMultipartRequestHandler.CommonsFormFile which simply wraps an implementation of the FileItem interface, the only one of which I could find (that isn’t deprecated) is a DiskFileItem. But this is for content that’s been received within a multipart/form-data POST request, and not something that I would have thought you’d have an Image object for. Which makes me wonder what exactly you’re trying to accomplish.

update:

Based on your feedback I would imagine you could create a BufferedImage object based on the FileItem, which should then be able to be manipulated:

InputStream is = fileItem.getInputStream();
BufferedImage image = ImageIO.read(is);

Once you’re happy with the BufferedImage that you’ve tweaked you can write it to the file system using ImageIO.write().