org.threeriverdev.twitterreporter.TwitterBot.java Source code

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Here is the source code for org.threeriverdev.twitterreporter.TwitterBot.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.threeriverdev.twitterreporter;

import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import twitter4j.FilterQuery;
import twitter4j.TwitterStream;
import twitter4j.TwitterStreamFactory;
import twitter4j.conf.Configuration;
import twitter4j.conf.ConfigurationBuilder;

/**
 * A Camel Router
 */
public class TwitterBot {

    private static final double GRIDSIZE = 10.0;

    public static void main(String... args) throws Exception {
        FilterQuery query = new FilterQuery();
        List<double[]> locations = new ArrayList<double[]>();

        // Create a grid over the continental US.
        // TODO: Originally (2009ish), these were recommended by Twitter.  Not sure if it's relevant now or not --
        // could we achieve the same results with 1 big block?
        for (double swLat = 25.0; swLat <= 49.0; swLat = swLat + GRIDSIZE) {
            for (double swLon = -125.0; swLon <= -67.0; swLon = swLon + GRIDSIZE) {
                double neLat = swLat + GRIDSIZE;
                double neLon = swLon + GRIDSIZE;

                double[] swLocation = new double[2];
                swLocation[0] = swLon;
                swLocation[1] = swLat;
                locations.add(swLocation);

                double[] neLocation = new double[2];
                neLocation[0] = neLon;
                neLocation[1] = neLat;
                locations.add(neLocation);
            }
        }

        query.locations(locations.toArray(new double[0][0]));

        try {
            URL url = TwitterBot.class.getResource("/oauth.properties");
            Properties p = new Properties();
            InputStream inStream = url.openStream();
            p.load(inStream);

            ConfigurationBuilder confBuilder = new ConfigurationBuilder();
            confBuilder.setOAuthConsumerKey(p.getProperty("consumer.key"));
            confBuilder.setOAuthConsumerSecret(p.getProperty("consumer.secret"));
            confBuilder.setOAuthAccessToken(p.getProperty("access.token"));
            confBuilder.setOAuthAccessTokenSecret(p.getProperty("access.token.secret"));
            Configuration conf = confBuilder.build();

            TwitterStream twitterStream = new TwitterStreamFactory(conf).getInstance();
            twitterStream.addListener(new TweetProcessor());
            twitterStream.filter(query);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}