method snippet for read and send image media file as byte array through REST api

readImage.java

public void getDashboardProfileImage(HttpServletRequest servletRequest,
            @RequestParam(value = "username") final String username, HttpServletResponse response) {
        try {
            String theUsername = URLDecoder.decode(username, "UTF-8");
            ProfileImageDetailsDto profileImageDetailsResponse = new ProfileImageDetailsDto();
            profileImageDetailsResponse = profileImageDetailsService.getProfileImage(theUsername);
            // retrieve mime type of the image
            String mimeType = FormatUtils.retrieveMimeTypeBytes(profileImageDetailsResponse.getProfileImage());
            IOUtils.write(profileImageDetailsResponse.getProfileImage(), response.getOutputStream());
            response.flushBuffer();
            response.setContentType(mimeType);
            response.setContentLength(profileImageDetailsResponse.getProfileImage().length);
            String extension = StringUtils.substringAfterLast(mimeType, "/");
            response.setHeader("Content-Disposition", "inline; filename=\"profile_img." + extension + "\"");
            response.setStatus(HttpServletResponse.SC_OK);
        
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return;
    }