HttpClient 4でリクエストボディに画像のバイナリを書きこんでpostする

gistfile1.java

        String url = "https://...";
        URIBuilder builder = null;
        try {
            builder = new URIBuilder(url);
            builder.addParameter("param", "テスト");

            HttpClient client = new DefaultHttpClient();
            HttpPost post = new HttpPost(builder.build());

            byte[] bytes = IOUtils.toByteArray(Thread.currentThread().getContextClassLoader().getResource("1.jpg"));

            ByteArrayEntity entity = new ByteArrayEntity(bytes, ContentType.create("image/jpeg"));
            post.setEntity(entity);

            HttpResponse response = client.execute(post);

            System.out.println(response.getStatusLine().getStatusCode());

            String responseBody = IOUtils.toString(response.getEntity().getContent());

        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e);
        } catch (URISyntaxException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }