Example usage for twitter4j Twitter timelines

Introduction

In this page you can find the example usage for twitter4j Twitter timelines.

Prototype

TimelinesResources timelines();

Source Link

Usage

From source file:twittermarkovchain.Main.java

public static void main(String[] args) throws TwitterException, IOException {
    Args.parseOrExit(Main.class, args);
    Twitter twitter = TwitterFactory.getSingleton();

    List<String> tweets = new ArrayList<>();
    File file = new File(user + ".txt");
    if (file.exists()) {
        BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
        String line;/*from   w  w w . j a v  a 2  s.  c o m*/
        while ((line = br.readLine()) != null) {
            tweets.add(line);
        }
    } else {
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8"));
        int total = 0;
        int page = 1;
        int size;
        do {
            ResponseList<Status> statuses = twitter.timelines().getUserTimeline(user, new Paging(page++, 200));
            size = statuses.size();
            total += size;

            for (Status status : statuses) {
                if (status.getInReplyToUserId() == -1 && status.getRetweetedStatus() == null) {
                    String text = status.getText().replaceAll("\n", " ");
                    bw.write(text);
                    bw.newLine();
                    tweets.add(text);
                }
            }
        } while (size > 0);
        bw.close();
    }

    // We need to generate a map of pair frequencies indexed by the first in the pair
    Map<String, Map<String, Integer>> frequencyMap = tweets.stream().flatMap((String s) -> {
        Stream.Builder<Pair> builder = Stream.builder();
        String last = null;
        for (String current : s.toLowerCase().replaceAll("https?://.+\\b", "").replaceAll("[^a-z@# ]", "")
                .split(" ")) {
            if (current.equals(""))
                continue;
            if (last == null) {
                builder.add(new Pair("", current));
            } else {
                builder.add(new Pair(last, current));
            }
            last = current;
        }
        if (last != null) {
            builder.add(new Pair(last, ""));
        }
        return builder.build();
    }).collect(Collectors.toMap(p -> p.s1, p -> ImmutableMap.of(p.s2, 1), (m1, m2) -> {
        HashMap<String, Integer> newmap = new HashMap<>(m1);
        for (Map.Entry<String, Integer> e : m2.entrySet()) {
            String key = e.getKey();
            Integer integer = newmap.get(key);
            if (integer == null) {
                newmap.put(key, 1);
            } else {
                newmap.put(key, integer + e.getValue());
            }
        }
        return newmap;
    }));

    // Random!
    Random random = new SecureRandom();

    // Check using language
    JLanguageTool language = new JLanguageTool(Language.ENGLISH);

    for (int i = 0; i < 1000; i++) {
        StringBuilder sb = new StringBuilder();
        // Now that we have the frequency map we can generate a message.
        String word = "";
        do {
            Map<String, Integer> distribution = frequencyMap.get(word);
            int total = 0;
            for (Map.Entry<String, Integer> e : distribution.entrySet()) {
                total += e.getValue();
            }
            int which = random.nextInt(total);
            int current = 0;
            for (Map.Entry<String, Integer> e : distribution.entrySet()) {
                Integer value = e.getValue();
                if (which >= current && which < current + value) {
                    word = e.getKey();
                }
                current += value;
            }
            if (sb.length() > 0) {
                if (word.length() > 0) {
                    sb.append(" ");
                    sb.append(word);
                }
            } else {
                sb.append(word.substring(0, 1).toUpperCase());
                if (word.length() > 1)
                    sb.append(word.substring(1));
            }
        } while (!word.equals(""));
        sb.append(".");
        List<RuleMatch> check = language.check(sb.toString());
        if (check.isEmpty()) {
            System.out.println(sb);
        }
    }
}

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