Android Open Source - Test-SimpleTwitterClient Connector

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Java Source Code

package com.example.Twitter_Android.Net;
/*from   w w  w.  j a v  a  2 s .com*/
import android.net.Uri;
import com.example.Twitter_Android.Logic.Person;
import com.example.Twitter_Android.Logic.Tweet;
import org.json.simple.parser.ParseException;
import org.scribe.builder.ServiceBuilder;
import org.scribe.builder.api.TwitterApi;
import org.scribe.model.*;
import org.scribe.oauth.OAuthService;

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

public class Connector {
  private final Parser parser;
  private final OAuthService service;
  private static Token requestToken;
  private static Token accessToken;
  private static final int ERROR_TOO_MANY_REQUESTS = 429; //HTTP code
  private long cursor;

  public Connector() {
    parser = new Parser();
    final String oauth_consumer_key = "0Y11uYXFdtcOtjO7TapGQw";
    final String oauth_consumer_secret = "fp9Lf8TpN87yd0yq1qiTD32mAdP5Z0Ohf8r6wVMuyeA";
    service = new ServiceBuilder().provider(TwitterApi.SSL.class)
        .apiKey(oauth_consumer_key)
        .apiSecret(oauth_consumer_secret)
        .build();
  }

  //------------------------------AUTHORIZATION-----------------------------------------------------------------------
  public void setAccessToken(Token token) {
    accessToken = token;
  }

  public String getAuthUrl() {
    requestToken = service.getRequestToken();
    return service.getAuthorizationUrl(requestToken);
  }

  /**
   * App authorization.
   *
   * @param code auth code from twitter auth page.
   */
  public Token authorize(String code) {
    final Verifier v = new Verifier(code);
    accessToken = service.getAccessToken(requestToken, v);
    return accessToken;
  }

  public boolean isAuthorized() {
    return accessToken != null;
  }

  //------------------------------CONNECTED USER----------------------------------------------------------------------

  /**
   * Getting connected user screen name.
   * Using for getting information about connected user.
   *
   * @return screen_name ?????????????.
   * @throws ParseException
   */
  private String getConnectedUserScreenName() throws ParseException {
    final String address = "https://api.twitter.com/1.1/account/settings.json";
    Response response = connectGet(address);
    return parser.getUserScreenName(response.getBody());
  }

  public Person getAuthPerson() throws ParseException {
    final String userScreenName = getConnectedUserScreenName();
    final String address = "https://api.twitter.com/1.1/users/show.json?screen_name=" + userScreenName;
    Response response = connectGet(address);
    return parser.getPerson(response.getBody());
  }

  public Person getPersonByID(long user_id) throws ParseException {
    String address = "https://api.twitter.com/1.1/users/show.json?user_id=" + user_id;
    Response response = connectGet(address);
    return parser.getPerson(response.getBody());
  }

  /**
   * @param firstUserID  first user ID
   * @param secondUserID second user ID
   * @return true - friends, false - not friends
   * @throws ParseException incorrect ID
   */
  public boolean isThisUserFriends(long firstUserID, long secondUserID) throws ParseException {
    String address = "https://api.twitter.com/1.1/friendships/show.json?source_id=" + firstUserID + "&target_id=" + secondUserID;
    Response response = connectGet(address);
    return parser.isFriends(response.getBody());

  }

  //------------------------------FOLLOWINGS/FOLLOWERS----------------------------------------------------------------

  /**
   * Get friends (followings) of user specified by id.
   *
   * @param id   user id
   * @param crsr cursor (see twitter api)
   * @return list of followings
   * @throws ParseException incorrect data
   */
  public List<Person> getFriends(long id, long crsr) throws ParseException {
    String address = "https://api.twitter.com/1.1/friends/list.json?cursor=" + crsr
        + "&user_id=" + id + "&skip_status=true&include_user_entities=false&count=100";
    Response response = connectGet(address);
    cursor = parser.getNextCursor(response.getBody());
    return parser.getFriends(response.getBody());
  }

  public List<Person> getFollowers(long id, long crsr) throws ParseException {
    String address = "https://api.twitter.com/1.1/followers/list.json?cursor=" + crsr
        + "&user_id=" + id + "&skip_status=true&include_user_entities=false&count=100";
    Response response = connectGet(address);
    cursor = parser.getNextCursor(response.getBody());
    return parser.getFriends(response.getBody());
  }

  public long getCurrentCursor() {
    return cursor;
  }

  //-------------------------------TIMELINES--------------------------------------------------------------------------

  /**
   * Get statuses (tweets) from connected user homepage.
   *
   * @param max_id   id ??????????? ??????????? ?????. ???? ????? ?????????? ????? ????? ???????
   *                 (?.?. ???????? ?????) ????? ?? ????????? id
   * @param since_id id ??????? ??????????? ?????. ?????? ????? ????? ?????? (?.?. ???????? ???????),
   *                 ??? ????????? ????.
   * @param count    ????????? ??????????? ??????. 0 - ????? ????????? ??????????? ?? ????????? (20 ????).
   * @return ???????? ?????? ?? ???????? ????????? ?????????????.
   * @throws ParseException
   */
  public List<Tweet> getStatuses_HomeTimeline(long max_id, long since_id, int count) throws ParseException {
    String address = "https://api.twitter.com/1.1/statuses/home_timeline.json?count=" + count;
    if (since_id != 0) {
      address += "&since_id=" + since_id;
    } else if (max_id != 0) {
      address += "&max_id=" + max_id;
    }
    Response response = connectGet(address);
    if (response.getCode() == ERROR_TOO_MANY_REQUESTS) {
      System.out.println("getStatuses_HomeTimeline ERROR " + response.getBody());
      /*
        TODO something
       */
      return new ArrayList<>();
    }
    return parser.getTweets(response.getBody());

  }

  /**
   * ???????? timeline ????????????????? ?????????????.
   *
   * @param userID   id ?????????????, ???? ???????? ????? ???????? timeline.
   * @param max_id   id ??????????? ??????????? ?????. ???? ????? ?????????? ????? ????? ???????
   *                 (?.?. ???????? ?????) ????? ?? ????????? id
   * @param since_id id ??????? ??????????? ?????. ?????? ????? ????? ?????? (?.?. ???????? ???????),
   *                 ??? ????????? ????.
   * @param count    ????????? ??????????? ??????. 0 - ????? ????????? ??????????? ?? ????????? (20 ????).
   * @return ???????? ?????? ?????????????.
   * @throws ParseException
   */
  public List<Tweet> getStatuses_UserTimeline(long userID, long max_id, long since_id, int count) throws ParseException {
    String address = "https://api.twitter.com/1.1/statuses/user_timeline.json?count=" + count + "&user_id=";
    if (max_id == 0 && since_id == 0) {
      address += userID;
    } else if (since_id == 0) {
      address += userID + "&max_id=" + max_id;
    } else {
      address += userID + "&since_id=" + since_id;
    }

    Response response = connectGet(address);
    if (response.getCode() == ERROR_TOO_MANY_REQUESTS) {
      System.out.println("getStatuses_HomeTimeline ERROR " + response.getBody());
      /*
        TODO something
       */
      return new ArrayList<>();
    }
    return parser.getTweets(response.getBody());
  }

  //-------------------------------SEARCHES---------------------------------------------------------------------------

  public List<Tweet> findTweets(String toFind, int count) throws ParseException {
    String address = "https://api.twitter.com/1.1/search/tweets.json?q=";
    String correctRequest = address + getCorrectRequest(toFind) + "&count=" + count;
    Response response = connectGet(correctRequest);
    return parser.getSearchedTweets(response.getBody());
  }

  public List<Person> findUsers(String name, int count) throws ParseException {
    String address = "https://api.twitter.com/1.1/users/search.json?q=";
    String correctRequest = address + getCorrectRequest(name) + "&count=" + count;
    Response response = connectGet(correctRequest);
    return parser.getSearchedUsers(response.getBody());
  }
  //-------------------------------TWEETS-----------------------------------------------------------------------------

  /**
   * ?????????? ????.
   *
   * @param newTweet ???????, ??????? ????? ??????????.
   * @return added tweet
   */
  public Tweet postTweet(String newTweet) throws ParseException {
    OAuthRequest request = new OAuthRequest(Verb.POST, "https://api.twitter.com/1.1/statuses/update.json");
    request.addBodyParameter("status", newTweet);
    service.signRequest(accessToken, request);
    Response response = request.send();
    return parser.getSingleTweet(response.getBody());
  }

  /**
   * Remove tweet
   *
   * @param id tweet id to remove
   * @return operation status
   */
  public boolean deleteTweet(long id) {
    String address = "https://api.twitter.com/1.1/statuses/destroy/" + id + ".json";
    OAuthRequest request = new OAuthRequest(Verb.POST, address);
    service.signRequest(accessToken, request);
    Response response = request.send();
    return response.isSuccessful();
  }

  /**
   * Reply to selected tweet
   *
   * @param tweetID tweet id reply to
   * @param text    message text
   * @return operation status
   */
  public boolean replyTo(long tweetID, String text) {
    OAuthRequest request = new OAuthRequest(Verb.POST, "https://api.twitter.com/1.1/statuses/update.json");
    request.addBodyParameter("status", text);
    request.addBodyParameter("in_reply_to_status_id", Long.toString(tweetID));
    service.signRequest(accessToken, request);
    Response response = request.send();
    return response.isSuccessful();
  }

  /**
   * ?????? ?????.
   *
   * @param id id ?????????? ?????.
   * @return is result successful?
   */
  public boolean retweet(long id) {
    String address = "https://api.twitter.com/1.1/statuses/retweet/" + id + ".json";
    OAuthRequest request = new OAuthRequest(Verb.POST, address);
    service.signRequest(accessToken, request);
    Response response = request.send();
    return response.isSuccessful();
  }
  //------------------------------------------------------------------------------------------------------------------

  /**
   * ????????? ?????????? ?????????? ????????????.
   *
   * @param userId id ?????????????.
   * @param text   ?????? ???????????.
   * @return is result successful?
   */
  public boolean sendDirectMessage(long userId, String text) {
    OAuthRequest request = new OAuthRequest(Verb.POST, "https://api.twitter.com/1.1/direct_messages/new.json");
    String encodedText = Uri.encode(text);
    request.addBodyParameter("text", encodedText);
    request.addBodyParameter("user_id", Long.toString(userId));
    service.signRequest(accessToken, request);
    Response response = request.send();
    return response.isSuccessful();
  }

  public List<Tweet> getReceivedMessages(long max_id, long since_id, int count) throws ParseException, java.text.ParseException {
    String address = "https://api.twitter.com/1.1/direct_messages.json?include_entities=false&skip_status=true&count=" + count;
    if (since_id > 0) {
      address += "&since_id=" + since_id;
    } else if (max_id > 0) {
      address += "&max_id=" + max_id;
    }
    Response response = connectGet(address);
    return parser.getMessages(response.getBody());
  }

  //-------------------------------FOLLOW/UNFOLLOW--------------------------------------------------------------------

  /**
   * ????????????? ?? ????????????? (?.?. Unfollow).
   *
   * @param user_id ID ?????????????, ?? ???????? ????? ?????????????.
   * @return is result successful?
   */
  public boolean unfollow(long user_id) {
    OAuthRequest request = new OAuthRequest(Verb.POST, "https://api.twitter.com/1.1/friendships/destroy.json");
    request.addBodyParameter("user_id", Long.toString(user_id));
    service.signRequest(accessToken, request);
    Response response = request.send();
    return response.isSuccessful();
  }

  /**
   * ?????????????? ?? ????????????? (?.?. ?????? Follower'??).
   *
   * @param user_id ID ?????????????, ?? ???????? ????? ??????????????.
   * @return is result successful?
   */
  public boolean follow(long user_id) {
    OAuthRequest request = new OAuthRequest(Verb.POST, "https://api.twitter.com/1.1/friendships/create.json");
    request.addBodyParameter("user_id", Long.toString(user_id));
    request.addBodyParameter("follow", "false");
    service.signRequest(accessToken, request);
    Response response = request.send();
    return response.isSuccessful();
  }
  //------------------------------------------------------------------------------------------------------------------

  /**
   * Get ???????.
   *
   * @param url ???????.
   * @return ????? ????????.
   */
  private Response connectGet(final String url) {
    OAuthRequest request = new OAuthRequest(Verb.GET, url);
    service.signRequest(accessToken, request);
    return request.send();
  }

  private String getCorrectRequest(String string) {
    return Uri.encode(string);
  }
}
Java Source Code List
