OkHttpClient

OkHttpClient.md

package main;

import okhttp3.*;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;


// OKHttp Client를 통한 호스트 단위 캐쉬 관리
// Referenced by shy.kim@samsung.com
public class Main {

    public static void main(String[] args) throws Exception{

        // 호스트
        String host = "http://70.50.183.49:8081";

        // 호스트 단위 캐쉬 관리 설정
        OkHttpClient client = new OkHttpClient().newBuilder()
                .cookieJar(new CookieJar() {

                    // 캐쉬 저장소
                    private final HashMap<String, List<Cookie>> cookieStore = new HashMap<>();

                    // "Set-Cookie" 응답 헤더의 값을 캐쉬로 저장
                    @Override
                    public void saveFromResponse(HttpUrl httpUrl, List<Cookie> cookies) {
                        cookieStore.put(httpUrl.host(), cookies);
                    }

                    // "Cookie" 요청 헤더의 값을 캐쉬 저장소의 값으로 설정
                    @Override
                    public List<Cookie> loadForRequest(HttpUrl httpUrl) {
                        List<Cookie> cookies = cookieStore.get(httpUrl.host());
                        if (cookies != null) System.out.println(cookies.toString());
                        return cookies != null ? cookies : new ArrayList<Cookie>();
                    }
                })
                .build();


        // 사용자 인증
        String authentication_url = host + "/testnet/authentication";
        String userId = "rolroralra@naver.com";
        String passwd = "rlatlsdud1!";

        RequestBody authentication_body = RequestBody.create(
                MediaType.parse("application/json"),
                new JSONObject().put("username", userId).put("password", passwd).toString()
        );

        Request authentication_request = new Request.Builder()
                .addHeader("Content-Type", "application/json")
                .addHeader("Connector", "nca")  //nca or hlf or eth
                .url(authentication_url)
                .post(authentication_body)
                .build();
        Response response = client.newCall(authentication_request).execute();

        System.out.println(new JSONObject(response.body().string()));

        // Digital-Stamping
        String digitalstamping_url = host + "/core/v2/digital-stampings";
        RequestBody digitalstamping_body = RequestBody.create(
                MediaType.parse("application/json"),
                new JSONObject().put("hash", "test_hash" ).toString()
        );
        Request digitalstamping_request = new Request.Builder()
                .addHeader("Content-Type", "application/json")
                .addHeader("Connector", "nca")  //nca or hlf or eth
                .url(digitalstamping_url)
                .post(digitalstamping_body)
                .build();
        response = client.newCall(digitalstamping_request).execute();

        JSONObject responseJson = new JSONObject(response.body().string());

        /* Do something with the response */
        System.out.println(responseJson);
    }
}