DataCollections.TrendsCollections.java Source code

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Here is the source code for DataCollections.TrendsCollections.java

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/*
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package DataCollections;

import DataAccess.TwitterResources;
import Logger.LogPrinter;
import java.sql.SQLException;

import java.util.ListIterator;
import twitter4j.Location;
import twitter4j.ResponseList;
import twitter4j.Trend;
import twitter4j.Trends;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.api.TrendsResources;

/**
 *
 * @author Srikanth
 */
public class TrendsCollections {

    Twitter twitter;
    TrendsResources trendsresources;
    ResponseList<Location> locations;
    Trends trends;
    LocationHelper lochelper;
    HashTagHelper htaghelper;

    public TrendsCollections() {

        twitter = TwitterResources.getTwitterSingleton();
        trendsresources = twitter.trends();
        lochelper = new LocationHelper();
        htaghelper = new HashTagHelper();
    }

    public void collectCurrentTrendingLocations() {
        try {

            locations = trendsresources.getAvailableTrends();

            LogPrinter.printLog("Locations for Trends are Received");

            Location[] locs = new Location[locations.size()];
            for (int i = 0; i < locations.size(); i++) {
                locs[i] = locations.get(i);
            }

            LogPrinter.printLog("Locations are splitted");

            lochelper.insertLocations(locs);

            LogPrinter.printLog("Locations are inserted into Database");

            collectLatestTrendingHashTags();
        } catch (TwitterException | InterruptedException e) {
            if (e instanceof TwitterException) {
                System.out.println("Exception Message: " + e.getMessage());
                try {
                    lochelper.closeDBConnection();
                } catch (Exception sqlexception) {
                }
            }
        }

    }

    public void collectLatestTrendingHashTags() throws InterruptedException {

        ListIterator<Location> i = locations.listIterator();

        while (i.hasNext()) {
            Location l = i.next();

            try {
                trends = trendsresources.getPlaceTrends(l.getWoeid());
            } catch (TwitterException e) {
                Thread.sleep((e).getRetryAfter() * 1000 + 5000);
                i.previous();
                continue;

            }

            System.out.println("\nLocation:- CountryCode: " + l.getCountryCode() + " Country Name: "
                    + l.getCountryName() + " Name: " + l.getName() + " PlaceCode: " + l.getPlaceCode()
                    + " PlaceName: " + l.getPlaceName() + " URL: " + l.getURL() + " Woeid: " + l.getWoeid() + "\n");
            Trend[] ts = trends.getTrends();

            for (int t = 0; t < ts.length; t++) {
                System.out.println("Trend " + t + ts[t].getName() + " " + ts[t].toString());
            }
            htaghelper.insertTrends(ts);
        }
    }

}