Twitter hello world with OkHttp

TwitterSample.java

package com.squareup.okhttp.sample;

import com.squareup.okhttp.ConnectionPool;
import com.squareup.okhttp.OkHttpClient;
import java.lang.reflect.Field;
import twitter4j.Paging;
import twitter4j.ResponseList;
import twitter4j.Twitter;
import twitter4j.TwitterFactory;
import twitter4j.auth.AccessToken;
import twitter4j.internal.http.HttpClientWrapper;
import twitter4j.internal.http.alternative.HttpClientImpl;

public class TwitterSample {
  public static void main(String[] args) throws Exception {
    String consumerKey = "";
    String consumerSecret = "";
    String accessToken = "";
    String accessTokenSecret = "";
    int count = Integer.parseInt("500");

    Twitter twitter = TwitterFactory.getSingleton();
    twitter.setOAuthConsumer(consumerKey, consumerSecret);
    twitter.setOAuthAccessToken(new AccessToken(accessToken, accessTokenSecret));

    StringBuilder sb = new StringBuilder();


    sb.append("java: " + System.getProperty("java.runtime.version") + " "
        + System.getProperty("java.version") + " " + System.getProperty("java.vm.version") + "\n");

    sb.append("start\n");

    HttpClientImpl.sPreferSpdy = true;
    HttpClientImpl.sPreferHttp2 = true;


    long startTick = System.currentTimeMillis();
    Paging paging = new Paging();
    paging.setCount(count);

    ResponseList<twitter4j.Status> result = twitter.getHomeTimeline(paging);

    long elapsed = System.currentTimeMillis() - startTick;
    sb.append(" elapsed: " + elapsed + "ms\n");

    // dump
    sb.append(" " + result.size() + " results\n");
    int i = 0;
    for (twitter4j.Status s : result) {
      String t = s.getText();
      sb.append(" [" + s.getUser().getScreenName() + "][" + (t.length() <= 10 ? t : t.substring(0, 10)) + "]\n");
    }

    // SPDY,HTTP/2.0 info
    sb.append("\n");
    HttpClientImpl http = getHttpClientImpl(twitter);
    ConnectionPool p = getSpdyConnectionPool(http);
    if (p == null) {
      sb.append("HTTP/2.0 : Disabled\n");
    } else {
      sb.append("HTTP/2.0 Connections: [" + p.getSpdyConnectionCount() + "/" + p.getConnectionCount() + "]\n");
      sb.append("Protocol: [" + http.getLastRequestProtocol() + "]\n");
    }

    System.out.println(sb);
  }

  public static ConnectionPool getSpdyConnectionPool(HttpClientImpl http) throws Exception {
    Field f3 = http.getClass().getDeclaredField("client");
    f3.setAccessible(true);

    // client = http.client
    OkHttpClient client = (OkHttpClient) f3.get(http);
    if (client == null) return null;

    return client.getConnectionPool();
  }

  public static HttpClientImpl getHttpClientImpl(Twitter twitter) throws Exception {
    Class<?> clazz = Class.forName("twitter4j.TwitterBaseImpl");
    Field f1 = clazz.getDeclaredField("http");
    f1.setAccessible(true);

    // wrapper = twitter.http
    HttpClientWrapper wrapper = (HttpClientWrapper) f1.get(twitter);
    Field f2 = HttpClientWrapper.class.getDeclaredField("http");
    f2.setAccessible(true);

    // http = wrapper.http
    return (HttpClientImpl) f2.get(wrapper);
  }
}

(This code is from a bug report against OkHttp)