de.grobox.liberario.trips.TripsLoader.java Source code

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Here is the source code for de.grobox.liberario.trips.TripsLoader.java

Source

/*    Transportr
 *    Copyright (C) 2013 - 2017 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.liberario.trips;

import android.content.Context;
import android.support.annotation.Nullable;
import android.support.v4.content.AsyncTaskLoader;
import android.util.Log;

import java.util.Date;
import java.util.EnumSet;

import javax.annotation.ParametersAreNonnullByDefault;

import de.grobox.liberario.networks.TransportNetwork;
import de.grobox.liberario.networks.TransportNetworkManager;
import de.grobox.liberario.utils.TransportrUtils;
import de.schildbach.pte.NetworkProvider;
import de.schildbach.pte.NetworkProvider.Optimize;
import de.schildbach.pte.NetworkProvider.WalkSpeed;
import de.schildbach.pte.dto.Location;
import de.schildbach.pte.dto.Product;
import de.schildbach.pte.dto.QueryTripsResult;

@ParametersAreNonnullByDefault
class TripsLoader extends AsyncTaskLoader<QueryTripsResult> {

    private final String TAG = getClass().getName();

    private final TransportNetworkManager manager;
    private final Location from, to;
    @Nullable
    private final Location via;
    private final Date date;
    private final boolean departure;

    TripsLoader(Context context, TransportNetworkManager manager, Location from, @Nullable Location via,
            Location to, Date date, boolean departure) {
        super(context);
        this.manager = manager;
        this.from = from;
        this.to = to;
        this.via = via;
        this.date = date;
        this.departure = departure;
    }

    @Nullable
    @Override
    public QueryTripsResult loadInBackground() {
        TransportNetwork network = manager.getTransportNetwork();
        if (network == null)
            return null;

        // TODO expose via TransportNetworkManager
        Optimize optimize = TransportrUtils.getOptimize(getContext());
        WalkSpeed walkSpeed = TransportrUtils.getWalkSpeed(getContext());
        EnumSet<Product> products = EnumSet.allOf(Product.class);

        Log.i(TAG, "From: " + from);
        Log.i(TAG, "Via: " + via);
        Log.i(TAG, "To: " + to);
        Log.i(TAG, "Date: " + date);
        Log.i(TAG, "Departure: " + departure);
        Log.i(TAG, "Products: " + products);
        Log.i(TAG, "Optimize for: " + optimize);
        Log.i(TAG, "Walk Speed: " + walkSpeed);

        try {
            NetworkProvider np = network.getNetworkProvider();
            return np.queryTrips(from, via, to, date, departure, products, optimize, walkSpeed, null, null);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

}