BikeStationTopoService.java

/*******************************************************************************
 * Copyright (c) 2011 Michel DAVID mimah35-at-gmail.com
 * 
 * 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 android.content.Context;

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

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import fr.gotorennes.domain.BikeStation;
import fr.gotorennes.domain.MetroStation;

public class BikeStationTopoService extends RemoteService<BikeStation> {

	private static BikeStationTopoService instance;

	private BikeStationTopoService(Context context) {
		super();
	}

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

	private Map<Integer, BikeStation> cache = null;

	public BikeStation getBikeStation(int id) {
		if (cache == null || cache.isEmpty()) {
			List<BikeStation> stations = loadList();
			cache = new HashMap<Integer, BikeStation>();
			if (stations != null && !stations.isEmpty()) {
				for (BikeStation station : stations) {
					cache.put(station.id, station);
				}
			}
		}
		return cache.get(id);
	}

	@Override
	protected BikeStation populate(JSONObject jsonObject) throws JSONException {
		BikeStation bikeStation = new BikeStation();
		bikeStation.id = jsonObject.getInt("id");
		bikeStation.name = jsonObject.getString("nom");
		bikeStation.address = jsonObject.optString("adressenumero") +  " " + jsonObject.getString("adressevoie");
		bikeStation.latitude = jsonObject.getJSONArray("coordonnees").getDouble(0);
		bikeStation.longitude = jsonObject.getJSONArray("coordonnees").getDouble(1);
		bikeStation.carteCredit = Boolean.parseBoolean(jsonObject.getString("possedetpe"));
		return bikeStation;
	}

	@Override
	protected String getDataSet() {
		return "vls-stations-topologie-td";
	}

}