Example usage for twitter4j Query POPULAR

List of usage examples for twitter4j Query POPULAR

Introduction

In this page you can find the example usage for twitter4j Query POPULAR.

Prototype

ResultType POPULAR

To view the source code for twitter4j Query POPULAR.

Click Source Link

Document

popular: return only the most popular results in the response.

Usage

From source file:com.daiv.android.twitter.ui.search.TwitterSearchFragment.java

License:Apache License

public void onRefreshStarted() {
    new Thread(new Runnable() {
        @Override/*w  ww . j  av a 2  s  .  c o m*/
        public void run() {
            final long topId;
            if (tweets.size() > 0) {
                topId = tweets.get(0).getId();
            } else {
                topId = 0;
            }

            try {
                Twitter twitter = Utils.getTwitter(context, settings);
                query = new Query(searchQuery);
                if (topTweets) {
                    query.setResultType(Query.POPULAR);
                } else {
                    query.setResultType(null);
                }
                QueryResult result = twitter.search(query);

                tweets.clear();

                for (twitter4j.Status status : result.getTweets()) {
                    tweets.add(status);
                }

                if (result.hasNext()) {
                    query = result.nextQuery();
                    hasMore = true;
                } else {
                    hasMore = false;
                }

                ((Activity) context).runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        int top = 0;
                        for (int i = 0; i < tweets.size(); i++) {
                            if (tweets.get(i).getId() == topId) {
                                top = i;
                                break;
                            }
                        }

                        adapter = new TimelineArrayAdapter(context, tweets, onlyStatus);
                        listView.setAdapter(adapter);
                        listView.setVisibility(View.VISIBLE);
                        listView.setSelection(top);

                        spinner.setVisibility(View.GONE);

                        mPullToRefreshLayout.setRefreshing(false);
                    }
                });
            } catch (Exception e) {
                e.printStackTrace();
                ((Activity) context).runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        spinner.setVisibility(View.GONE);
                        mPullToRefreshLayout.setRefreshing(false);
                    }
                });
            }
        }
    }).start();
}

From source file:org.anc.lapps.datasource.twitter.TwitterDatasource.java

/**
 * Entry point for a Lappsgrid service.//from ww w . java  2  s .  c  o m
 * <p>
 * Each service on the Lappsgrid will accept {@code org.lappsgrid.serialization.Data} object
 * and return a {@code Data} object with a {@code org.lappsgrid.serialization.lif.Container}
 * payload.
 * <p>
 * Errors and exceptions that occur during processing should be wrapped in a {@code Data}
 * object with the discriminator set to http://vocab.lappsgrid.org/ns/error
 * <p>
 * See <a href="https://lapp.github.io/org.lappsgrid.serialization/index.html?org/lappsgrid/serialization/Data.html>org.lappsgrid.serialization.Data</a><br />
 * See <a href="https://lapp.github.io/org.lappsgrid.serialization/index.html?org/lappsgrid/serialization/lif/Container.html>org.lappsgrid.serialization.lif.Container</a><br />
 *
 * @param input A JSON string representing a Data object
 * @return A JSON string containing a Data object with a Container payload.
 */
@Override
public String execute(String input) {
    Data<String> data = Serializer.parse(input, Data.class);
    String discriminator = data.getDiscriminator();

    // Return ERRORS back
    if (Discriminators.Uri.ERROR.equals(discriminator)) {
        return input;
    }

    // Generate an error if the used discriminator is wrong
    if (!Discriminators.Uri.GET.equals(discriminator)) {
        return generateError(
                "Invalid discriminator.\nExpected " + Discriminators.Uri.GET + "\nFound " + discriminator);
    }

    Configuration config = new ConfigurationBuilder().setApplicationOnlyAuthEnabled(true).setDebugEnabled(false)
            .build();

    // Authentication using saved keys
    Twitter twitter = new TwitterFactory(config).getInstance();
    String key = readProperty(KEY_PROPERTY);
    if (key == null) {
        return generateError("The Twitter Consumer Key property has not been set.");
    }

    String secret = readProperty(SECRET_PROPERTY);
    if (secret == null) {
        return generateError("The Twitter Consumer Secret property has not been set.");
    }

    twitter.setOAuthConsumer(key, secret);

    try {
        twitter.getOAuth2Token();
    } catch (TwitterException te) {
        String errorData = generateError(te.getMessage());
        logger.error(errorData);
        return errorData;
    }

    // Get query String from data payload
    Query query = new Query(data.getPayload());

    // Set the type to Popular or Recent if specified
    // Results will be Mixed by default.
    if (data.getParameter("type") == "Popular")
        query.setResultType(Query.POPULAR);
    if (data.getParameter("type") == "Recent")
        query.setResultType(Query.RECENT);

    // Get lang string
    String langCode = (String) data.getParameter("lang");

    // Verify the validity of the language code and add it to the query if it's valid
    if (validateLangCode(langCode))
        query.setLang(langCode);

    // Get date strings
    String sinceString = (String) data.getParameter("since");
    String untilString = (String) data.getParameter("until");

    // Verify the format of the date strings and set the parameters to query if correctly given
    if (validateDateFormat(untilString))
        query.setUntil(untilString);
    if (validateDateFormat(sinceString))
        query.setSince(sinceString);

    // Get GeoLocation
    if (data.getParameter("address") != null) {
        String address = (String) data.getParameter("address");
        double radius = (double) data.getParameter("radius");
        if (radius <= 0)
            radius = 10;
        Query.Unit unit = Query.MILES;
        if (data.getParameter("unit") == "km")
            unit = Query.KILOMETERS;
        GeoLocation geoLocation;
        try {
            double[] coordinates = getGeocode(address);
            geoLocation = new GeoLocation(coordinates[0], coordinates[1]);
        } catch (Exception e) {
            String errorData = generateError(e.getMessage());
            logger.error(errorData);
            return errorData;
        }

        query.geoCode(geoLocation, radius, String.valueOf(unit));

    }

    // Get the number of tweets from count parameter, and set it to default = 15 if not specified
    int numberOfTweets;
    try {
        numberOfTweets = (int) data.getParameter("count");
    } catch (NullPointerException e) {
        numberOfTweets = 15;
    }

    // Generate an ArrayList of the wanted number of tweets, and handle possible errors.
    // This is meant to avoid the 100 tweet limit set by twitter4j and extract as many tweets as needed
    ArrayList<Status> allTweets;
    Data tweetsData = getTweetsByCount(numberOfTweets, query, twitter);
    String tweetsDataDisc = tweetsData.getDiscriminator();
    if (Discriminators.Uri.ERROR.equals(tweetsDataDisc))
        return tweetsData.asPrettyJson();

    else {
        allTweets = (ArrayList<Status>) tweetsData.getPayload();
    }

    // Initialize StringBuilder to hold the final string
    StringBuilder builder = new StringBuilder();

    // Append each Status (each tweet) to the initialized builder
    for (Status status : allTweets) {
        String single = status.getCreatedAt() + " : " + status.getUser().getScreenName() + " : "
                + status.getText() + "\n";
        builder.append(single);
    }

    // Output results
    Container container = new Container();
    container.setText(builder.toString());
    Data<Container> output = new Data<>(Discriminators.Uri.LAPPS, container);
    return output.asPrettyJson();
}