Package org.gtugs.eventsite

Source Code of org.gtugs.eventsite.MeetupEventSite

package org.gtugs.eventsite;

import org.gtugs.domain.Event;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;

public class MeetupEventSite implements EventSite {

  private static final DateFormat meetupDateFormat =
    new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyy");
  private static final DateFormat timeDateFormat =
    new SimpleDateFormat("hh:mm aa");
  private static final DateFormat tzDateFormat =
    new SimpleDateFormat("Z");

  private String key;

  @SuppressWarnings("unchecked")
  public List<Event> lookupFutureEvents(String groupIdentifier)
      throws GtugsException {
    StringBuilder json = new StringBuilder();
    String requestUrl = "http://api.meetup.com/events.json/?group_urlname=" +
        groupIdentifier + "&key=" + key;

    try {
      URL url = new URL(requestUrl.toString());
      BufferedReader in = new BufferedReader(new InputStreamReader(
          url.openStream()));

      String inputLine;
      while ((inputLine = in.readLine()) != null) {
        json.append(inputLine);
      }

      in.close();
    } catch (IOException e) {
      throw new GtugsException(e);
    }

    List<Event> events = new ArrayList<Event>();

    JSONObject jsonObj = (JSONObject) JSONValue.parse(json.toString());
    JSONArray results = (JSONArray) jsonObj.get("results");
    for (int i = 0; i < results.size(); i++) {
      JSONObject result = (JSONObject) results.get(i);
      Event e = new Event();
      e.setAttendeeCount(Integer.parseInt((String) result.get("rsvpcount")));
      // e.setChapterId();
      e.setCity((String) result.get("venue_city"));
      // e.setCountry();
      // e.setCustomTopic();
      e.setDescription((String) result.get("description"));
      // e.setEndDate();
      // e.setEndTime();
      e.setLatitude(Double.parseDouble((String) result.get("venue_lat")));
      e.setLongitude(Double.parseDouble((String) result.get("venue_lon")));
      e.setName((String) result.get("name"));
      // e.setNotes();
      // e.setRoom();

      Date myDate = null;
      String time = (String) result.get("time");
      try {
        myDate = meetupDateFormat.parse(time);
        e.setStartTime(timeDateFormat.format(myDate));
        e.setEndTime(timeDateFormat.format(myDate));
        e.setStartDate(myDate);
        e.setEndDate(myDate);

        String tz = tzDateFormat.format(myDate);
        if (tz != null && tz.startsWith("+")) {
          tz = tz.substring(1);
        }
        e.setTimeZone(Integer.toString(Integer.parseInt(tz)/100));
      } catch (ParseException ex) {
        ex.printStackTrace();
        continue;
      }

      e.setState((String) result.get("venue_state"));

      StringBuilder addressBuilder = new StringBuilder();
      if (result.get("venue_address1") != null) {
        addressBuilder.append((String) result.get("venue_address1") + " ");
      }
      if (result.get("venue_address2") != null) {
        addressBuilder.append((String) result.get("venue_address2") + " ");
      }
      if (result.get("venue_address3") != null) {
        addressBuilder.append((String) result.get("venue_address3") + " ");
      }
      if (result.get("venue_address4") != null) {
        addressBuilder.append((String) result.get("venue_address4"));
      }
      e.setStreetAddress(addressBuilder.toString().trim());
      e.setZipCode((String) result.get("venue_zip"));

      e.setUrl((String) result.get("event_url"));

      events.add(e);
    }

    return events;
  }

  public String getKey() {
    return key;
  }

  public void setKey(String key) {
    this.key = key;
  }
}
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