de.grobox.transportr.locations.NearbyLocationsLoader.java Source code

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Here is the source code for de.grobox.transportr.locations.NearbyLocationsLoader.java

Source

/*
 *    Transportr
 *
 *    Copyright (c) 2013 - 2018 Torsten Grote
 *
 *    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, or (at your option) any later version.
 *
 *    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 de.grobox.transportr.locations;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.content.AsyncTaskLoader;
import android.util.Log;

import java.util.EnumSet;

import de.grobox.transportr.networks.TransportNetwork;
import de.schildbach.pte.NetworkProvider;
import de.schildbach.pte.dto.Location;
import de.schildbach.pte.dto.LocationType;
import de.schildbach.pte.dto.NearbyLocationsResult;

import static de.grobox.transportr.utils.Constants.LOCATION;

public class NearbyLocationsLoader extends AsyncTaskLoader<NearbyLocationsResult> {

    private final String TAG = getClass().getName();
    private final static String MAX_DISTANCE = "maxDistance";

    private final TransportNetwork network;
    private final Location location;
    private final static EnumSet<LocationType> types = EnumSet.of(LocationType.STATION);
    private final int maxDistance;

    public NearbyLocationsLoader(Context context, TransportNetwork network, Bundle args) {
        super(context);
        this.network = network;

        this.location = (Location) args.getSerializable(LOCATION);
        this.maxDistance = args.getInt(MAX_DISTANCE);
    }

    @Override
    public NearbyLocationsResult loadInBackground() {
        NetworkProvider np = network.getNetworkProvider();

        Log.i(TAG, "NearbyStation from (" + String.valueOf(maxDistance) + "): " + location.toString());

        try {
            return np.queryNearbyLocations(types, location, maxDistance, 0);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static Bundle getBundle(Location location, int maxDistance) {
        Bundle args = new Bundle();
        args.putSerializable(LOCATION, location);
        args.putInt(MAX_DISTANCE, maxDistance);
        return args;
    }

}