Java tutorial
/* * Copyright 2016 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package timeline; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import misc.Misc; import oauth.AppOAuth; import org.apache.commons.lang3.StringEscapeUtils; import twitter4j.HttpResponseCode; import twitter4j.JSONException; import twitter4j.Paging; import twitter4j.Status; import twitter4j.Twitter; import twitter4j.TwitterException; import twitter4j.TwitterFactory; import twitter4j.TwitterObjectFactory; /** * Lists Followers IDs * * @author Sohail Ahmed - sohail.ahmed21 at gmail.com */ public class CmdUserTimeline { public static void main(String[] args) throws ClassNotFoundException, SQLException, JSONException, IOException { // Check how many arguments were passed in if ((args == null) || (args.length != 7)) { System.err.println("Please provide command as following."); System.err.println("java -cp twitter4j-multi-oauth-0.3.jar " + "timeline.CmdUserTimeline consumer_key consumer_secret" + " user_token user_secret output_path " + "screen_name_or_userid " + "number_of_tweets_to_get_max_is_3200"); System.exit(-1); } AppOAuth AppOAuths = new AppOAuth(); Misc helpers = new Misc(); String endpoint = "/statuses/user_timeline"; String consumer_key = null; try { consumer_key = StringEscapeUtils.escapeJava(args[0]); } catch (Exception e) { System.err.println("Argument" + args[0] + " must be an String."); System.exit(-1); } String consumer_secret = null; try { consumer_secret = StringEscapeUtils.escapeJava(args[1]); } catch (Exception e) { System.err.println("Argument" + args[1] + " must be an String."); System.exit(-1); } String user_token = null; try { user_token = StringEscapeUtils.escapeJava(args[2]); } catch (Exception e) { System.err.println("Argument" + args[2] + " must be an String."); System.exit(-1); } String user_secret = null; try { user_secret = StringEscapeUtils.escapeJava(args[3]); } catch (Exception e) { System.err.println("Argument" + args[3] + " must be an String."); System.exit(-1); } String OutputDirPath = null; try { OutputDirPath = StringEscapeUtils.escapeJava(args[4]); } catch (Exception e) { System.err.println("Argument" + args[4] + " must be an String."); System.exit(-1); } String targetedUser = ""; try { targetedUser = StringEscapeUtils.escapeJava(args[5]); } catch (Exception e) { System.err.println("Argument" + args[5] + " must be an String."); System.exit(-1); } int NUMBER_OF_TWEETS = 0; try { NUMBER_OF_TWEETS = Integer.parseInt(args[6]); } catch (Exception e) { System.err.println("Argument" + args[6] + " must be an integer."); System.exit(-1); } try { TwitterFactory tf = AppOAuths.loadOAuthUser(endpoint, consumer_key, consumer_secret, user_token, user_secret); Twitter twitter = tf.getInstance(); int RemainingCalls = AppOAuths.RemainingCalls - 2; int RemainingCallsCounter = 0; System.out.println("Remianing Calls: " + RemainingCalls); // screen_name / user_id provided by arguments System.out.println("Trying to create output directory"); String filesPath = OutputDirPath + "/"; File theDir = new File(filesPath); // If the directory does not exist, create it if (!theDir.exists()) { try { theDir.mkdirs(); } catch (SecurityException se) { System.err.println("Could not create output " + "directory: " + OutputDirPath); System.err.println(se.getMessage()); System.exit(-1); } } String fileName = filesPath + targetedUser; PrintWriter writer = new PrintWriter(fileName, "UTF-8"); // Call different functions for screen_name and id_str Boolean chckedNumaric = helpers.isNumeric(targetedUser); List<Status> statuses = new ArrayList<>(); int size = statuses.size(); int pageno = 1; int totalTweets = 0; boolean tweetCounterReached = false; System.out.println("NUMBER_OF_TWEETS to get:" + NUMBER_OF_TWEETS); while (true) { try { Paging page = new Paging(pageno++, 200); if (chckedNumaric) { long LongValueTargetedUser = Long.valueOf(targetedUser).longValue(); statuses.addAll(twitter.getUserTimeline(LongValueTargetedUser, page)); if (statuses.size() > 0) { for (Status status : statuses) { String rawJSON = TwitterObjectFactory.getRawJSON(status); writer.println(rawJSON); totalTweets += 1; if (totalTweets >= NUMBER_OF_TWEETS) { tweetCounterReached = true; break; } } if (tweetCounterReached) { break; } } } else { statuses.addAll(twitter.getUserTimeline(targetedUser, page)); if (statuses.size() > 0) { for (Status status : statuses) { String rawJSON = TwitterObjectFactory.getRawJSON(status); writer.println(rawJSON); totalTweets += 1; if (totalTweets >= NUMBER_OF_TWEETS) { tweetCounterReached = true; break; } } if (tweetCounterReached) { break; } } } // If user's total tweet are less than 195 then no next call if (size == 0) { if (totalTweets < 195) { break; } } // If user's all tweets parsed then exit if (totalTweets == size) { break; } size = totalTweets; statuses.clear(); } catch (TwitterException e) { // e.printStackTrace(); // do not throw if user has protected tweets, or if they // deleted their account if (e.getStatusCode() == HttpResponseCode.UNAUTHORIZED || e.getStatusCode() == HttpResponseCode.NOT_FOUND) { System.out.println(targetedUser + " is protected or account is deleted"); } else { System.out.println("Tweets Get Exception: " + e.getMessage()); } // If rate limit reached then switch Auth user RemainingCallsCounter++; if (RemainingCallsCounter >= RemainingCalls) { System.out.println("No more remianing calls"); } if (totalTweets < 1) { writer.close(); // Remove file if tweets not found File fileToDelete = new File(fileName); fileToDelete.delete(); } break; } // If rate limit reached then switch Auth user RemainingCallsCounter++; if (RemainingCallsCounter >= RemainingCalls) { System.out.println("No more remianing calls"); break; } } // while get tweets writer.close(); if (totalTweets > 0) { System.out.println("Total dumped tweets of " + targetedUser + " are: " + totalTweets); } else { // Remove file if tweets not found File fileToDelete = new File(fileName); fileToDelete.delete(); } } catch (TwitterException te) { // te.printStackTrace(); System.out.println("Failed to get followers' ids: " + te.getMessage()); System.exit(-1); } System.out.println("!!!! DONE !!!!"); } }