public static String encodeToString(BufferedImage image)
    {
        String imageString = null;
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        try
        {
            ImageIO.write(image, "png", bos);
            byte[] imageBytes = bos.toByteArray();
            BASE64Encoder encoder = new BASE64Encoder();
            imageString = encoder.encode(imageBytes);
            bos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return imageString;
    }

    public static String imgurUpload(BufferedImage image) throws Exception
    {
        String clientID = "790910198fb7921";
        //create needed strings
        String address = "https://api.imgur.com/3/image.json";

        //Create HTTPClient and post
        HttpClient client = new DefaultHttpClient();
        HttpPost post = new HttpPost(address);

        String dataImage = encodeToString(image);
        //add header
        post.addHeader("Authorization", "Client-ID " + clientID);
        //add image
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1);
        nameValuePairs.add(new BasicNameValuePair("image", dataImage));
        post.setEntity(new UrlEncodedFormEntity(nameValuePairs));

        //execute
        HttpResponse response = client.execute(post);

        //read response
        BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

        //loop through response
        String line = rd.readLine();
        StringBuffer sb = new StringBuffer();
        while (line != null)
        {
            sb.append(line);
            line = rd.readLine();
        }
        String all = sb.toString();
        JSONObject jo = new JSONObject(all);
        JSONObject data = jo.getJSONObject("data");

        String link = null;
        if (data.has("link"))
        {
            link = data.getString("link");
        } else if (data.has("error")) {
            link = data.getString("error");
        }
        return link;
    }