/* * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.traccar.geolocation; import org.traccar.Context; import org.traccar.model.CellTower; import org.traccar.model.Network; import javax.json.JsonObject; import javax.ws.rs.client.InvocationCallback; public class OpenCellIdGeolocationProvider implements GeolocationProvider { private String url; public OpenCellIdGeolocationProvider(String url, String key) { if (url == null) { url = "http://opencellid.org/cell/get"; } this.url = url + "?format=json&mcc=%d&mnc=%d&lac=%d&cellid=%d&key=" + key; } @Override public void getLocation(Network network, final LocationProviderCallback callback) { if (network.getCellTowers() != null && !network.getCellTowers().isEmpty()) { CellTower cellTower = network.getCellTowers().iterator().next(); String request = String.format(url, cellTower.getMobileCountryCode(), cellTower.getMobileNetworkCode(), cellTower.getLocationAreaCode(), cellTower.getCellId()); Context.getClient().target(request).request().async().get(new InvocationCallback<JsonObject>() { @Override public void completed(JsonObject json) { if (json.containsKey("lat") && json.containsKey("lon")) { callback.onSuccess( json.getJsonNumber("lat").doubleValue(), json.getJsonNumber("lon").doubleValue(), 0); } else { callback.onFailure(new GeolocationException("Coordinates are missing")); } } @Override public void failed(Throwable throwable) { callback.onFailure(throwable); } }); } else { callback.onFailure(new GeolocationException("No network information")); } } }