EquipementService.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 java.util.ArrayList;
import java.util.List;

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

import android.content.Context;
import fr.gotorennes.domain.Equipement;
import fr.gotorennes.domain.MetroStation;

public class EquipementService extends RemoteService<Equipement> {

	private static EquipementService instance;

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

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

	private List<Equipement> cache = null;

	public List<Equipement> getEquipements() {
		if (cache == null) {
			cache = loadList();
		}
		return cache != null ? new ArrayList<Equipement>(cache) : cache;
	}

	public List<Equipement> getEquipements(MetroStation metroStation) {
		List<Equipement> equipements = getEquipements();
		if (equipements == null) {
			return null;
		}

		List<Equipement> result = new ArrayList<Equipement>();
		for (Equipement equipement : equipements) {
			if (equipement.station.equals(metroStation.id)) {
				result.add(equipement);
			}
		}
		return result;
	}

	@Override
	protected Equipement populate(JSONObject jsonObject) throws JSONException {
		Equipement equipement = new Equipement();
		equipement.id = jsonObject.getString("id");
		equipement.station = jsonObject.getString("idstation");
		equipement.name = jsonObject.getString("nom");
		equipement.type = Equipement.Type.fromString(jsonObject.getString("type"));
		equipement.fromFloor = jsonObject.optInt("niveau", 0);
		equipement.toFloor = jsonObject.optInt("niveaudestination", 0);
		return equipement;
	}

	@Override
	protected String getDataSet() {
		return "tco-metro-topologie-equipements-td";
	}

}