Android Open Source - Go2-Rennes Next Departure Service

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License

The source code is released under:

GNU General Public License

Java Source Code

/*******************************************************************************
 * Copyright (c) 2011 Michel DAVID mimah35-at-gmail.com
 * // w  w w. ja va2  s  .  co m
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.gotorennes.remote;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.util.Log;
import fr.gotorennes.domain.NextDeparture;

public class NextDepartureService extends RemoteService<NextDeparture> {

  public static final String COMMAND = "getbusnextdepartures";
  public static final String NODE = "stopline";
  
  private static DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz");

  private static NextDepartureService instance;
  
  private Date remoteDate;

  private NextDepartureService(Context context) {
    super();
  }
  
  protected String getVersion() {
    return "2.2";
  }

  public static synchronized NextDepartureService getInstance(Context context) {
    if (instance == null) {
      instance = new NextDepartureService(context);
    }
    return instance;
  }

  public NextDeparture getNextDeparture(String stopId, String routeId, int direction) {
    Map<String, String> parameters = new HashMap<String, String>();
    parameters.put("mode", "stopline");
    parameters.put("stop][", stopId);
    parameters.put("route][", routeId);
    parameters.put("direction][", String.valueOf(direction));
    return loadObject(COMMAND, NODE, parameters);
  }

  @Override
  protected NextDeparture populate(JSONObject jsonObject) throws JSONException {
    Log.d("GoToRennes", jsonObject.toString());
    NextDeparture nextDeparture = new NextDeparture();
    nextDeparture.stopId = jsonObject.getString("stop");
    nextDeparture.routeId = jsonObject.getString("route");
    nextDeparture.direction = Integer.parseInt(jsonObject.getString("direction"));
    JSONObject departure = jsonObject.getJSONObject("departures").optJSONObject("departure");
    if (departure == null) {
      departure = jsonObject.getJSONObject("departures").getJSONArray("departure").getJSONObject(0);
    }
    try {
      nextDeparture.departure = dateFormat.parse(departure.getString("content"));
    }
    catch (ParseException ex) {}
    nextDeparture.remoteDate = remoteDate;
    return nextDeparture;
  }

  @Override
  protected void onDataLoad(JSONObject data) throws JSONException {
    JSONObject attributes = data.getJSONObject("@attributes");
    try {
      remoteDate = dateFormat.parse(attributes.getString("localdatetime"));
    }
    catch (ParseException ex) {
      remoteDate = new Date();
    }
  }

}

Java Source Code List

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