GSON

https://web-inf.tistory.com/64

JAVA JSON 라이브러리 구글 GSON 알아보자(Google Gson)

 

jetty with json

https://noritersand.github.io/servlet/servlet-json-%EB%AC%B8%EC%9E%90%EC%97%B4%EB%A1%9C-%EC%9D%91%EB%8B%B5%ED%95%98%EA%B8%B0/

[Servlet] JSON 문자열로 응답하기

 

 SslContextFactory sslContextFactory = new SslContextFactory();
        HttpClient httpClient = new HttpClient(sslContextFactory);
        httpClient.setFollowRedirects(false);
        httpClient.start();

        Request request =  httpClient.POST("https://a1.easemob.com/yinshenxia/yinshenxia/users");
        request.header(HttpHeader.CONTENT_TYPE, "application/json");
        request.content(new StringContentProvider("{\"username\":\"jliu\",\"password\":\"123456\"}","utf-8"));
        ContentResponse response = request.send();
        String res = new String(response.getContent());
        System.out.println(res);
        httpClient.stop();