public-transport-enabler/enabler/src/de/schildbach/pte/NsProvider.java

/*
 * Copyright 2010-2015 the original author or authors.
 *
 * 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.schildbach.pte;

import java.io.IOException;
import java.util.EnumSet;
import java.util.Set;
import java.util.regex.Pattern;

import de.schildbach.pte.dto.Location;
import de.schildbach.pte.dto.LocationType;
import de.schildbach.pte.dto.NearbyLocationsResult;
import de.schildbach.pte.dto.Product;

import okhttp3.HttpUrl;

/**
 * @author Andreas Schildbach
 */
public class NsProvider extends AbstractHafasProvider {
    private static final HttpUrl API_BASE = HttpUrl.parse("https://hafas.bene-system.com/bin/");
    private static final Product[] PRODUCTS_MAP = { Product.HIGH_SPEED_TRAIN, Product.HIGH_SPEED_TRAIN,
            Product.HIGH_SPEED_TRAIN, Product.REGIONAL_TRAIN, Product.SUBURBAN_TRAIN, Product.BUS, Product.FERRY,
            Product.SUBWAY, Product.TRAM, Product.ON_DEMAND };
    private static final Pattern HTML_NEARBY_STATIONS_PATTERN = Pattern
            .compile("<tr bgcolor=\"#(E7EEF9|99BAE4)\">(.*?)</tr>", Pattern.DOTALL);

    public NsProvider() {
        super(NetworkId.NS, API_BASE, "nn", PRODUCTS_MAP);

        setHtmlNearbyStationsPattern(HTML_NEARBY_STATIONS_PATTERN);
        setStationBoardHasLocation(true);
    }

    @Override
    public NearbyLocationsResult queryNearbyLocations(final EnumSet<LocationType> types, final Location location,
            final int maxDistance, final int maxLocations) throws IOException {
        if (location.type == LocationType.STATION && location.hasId()) {
            final HttpUrl.Builder url = stationBoardEndpoint.newBuilder().addPathSegment(apiLanguage);
            url.addQueryParameter("near", "Anzeigen");
            url.addQueryParameter("distance", Integer.toString(maxDistance != 0 ? maxDistance / 1000 : 50));
            url.addQueryParameter("input", normalizeStationId(location.id));
            url.addQueryParameter("L", "profi");
            return htmlNearbyStations(url.build());
        } else {
            throw new IllegalArgumentException("cannot handle: " + location);
        }
    }

    @Override
    public Set<Product> defaultProducts() {
        return Product.ALL;
    }

    @Override
    protected Product normalizeType(final String type) {
        final String ucType = type.toUpperCase();

        if (ucType.equals("SPR"))
            return Product.REGIONAL_TRAIN;
        if (ucType.equals("N")) // Avignon
            return Product.REGIONAL_TRAIN;

        return super.normalizeType(type);
    }
}