birdseye.Sample.java Source code

Introduction

Here is the source code for birdseye.Sample.java

Source

package birdseye;
/*
 * Copyright 2007 Yusuke Yamamoto
 *
 * 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.
 */

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

import twitter4j.*;
import twitter4j.conf.ConfigurationBuilder;

/**
 * <p>This is a code example of Twitter4J Streaming API - sample method support.<br>
 * Usage: java twitter4j.examples.PrintSampleStream<br>
 * </p>
 *
 * @author Yusuke Yamamoto - yusuke at mac.com
 */
public class Sample {

    public static void main(String[] args) throws TwitterException {
        Sample stream = new Sample();
        stream.execute(args);
    }

    private final Object lock = new Object();

    public List<TweetData> execute(String[] args) throws TwitterException {

        final List<TweetData> statuses = new ArrayList();

        ConfigurationBuilder cb = new ConfigurationBuilder();
        cb.setOAuthAccessToken("14538839-3MX2UoCEUaA6u95iWoYweTKRbhBjqEVuK1SPbCjDV");
        cb.setOAuthAccessTokenSecret("nox7eYyOJpyiDiISHRDou90bGkHKasuw1IMqqJUZMaAbj");

        TwitterStream twitterStream = new TwitterStreamFactory(cb.build()).getInstance();

        StatusListener listener = new StatusListener() {

            public void onStatus(Status status) {
                String user = status.getUser().getScreenName();
                String content = status.getText();
                TweetData newTweet = new TweetData(user, content);

                statuses.add(newTweet);
                System.out.println(statuses.size() + ":" + status.getText());
                if (statuses.size() > 15) {
                    synchronized (lock) {
                        lock.notify();
                    }
                    System.out.println("unlocked");
                }
            }

            public void onDeletionNotice(StatusDeletionNotice statusDeletionNotice) {
                System.out.println("Got a status deletion notice id:" + statusDeletionNotice.getStatusId());
            }

            public void onTrackLimitationNotice(int numberOfLimitedStatuses) {
                System.out.println("Got track limitation notice:" + numberOfLimitedStatuses);
            }

            public void onScrubGeo(long userId, long upToStatusId) {
                System.out.println("Got scrub_geo event userId:" + userId + " upToStatusId:" + upToStatusId);
            }

            public void onException(Exception ex) {
                ex.printStackTrace();
            }

            @Override
            public void onStallWarning(StallWarning sw) {
                System.out.println(sw.getMessage());

            }
        };

        FilterQuery fq = new FilterQuery();
        String[] keywords = args;

        fq.track(keywords);

        twitterStream.addListener(listener);
        twitterStream.filter(fq);

        try {
            synchronized (lock) {
                lock.wait();
            }
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println("returning statuses");
        twitterStream.shutdown();
        return statuses;
    }
}