code: public static void saveImage(Image image, File file, String imgFileFormat){
  		FileOutputStream fos = null;
  		try {
  			fos = new FileOutputStream(file);
  			saveImage(image, fos, imgFileFormat);
  		} catch (FileNotFoundException e) {
  			throw new ImageSaverException(e);
  		} finally {
  			closeQuietly(fos);
  		}
  	}
docs: Saves image using {@link #saveImage(Image, OutputStream, String)}.
  @param image to be saved
  @param file to save image to
  @param imgFileFormat image file format. Consult {@link #getSaveableImageFileFormats()}
  @throws ImageSaverException if an IOException occured during
  the process, no OutputStream could be created due to a
  FileNotFoundException or no appropriate writer could be found for
  specified format.
  @since 1.0