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/*
* Copyright 2015 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.location;
import com.ning.http.client.AsyncCompletionHandler;
import com.ning.http.client.Response;
import org.traccar.Context;
import javax.json.Json;
import javax.json.JsonObject;
import javax.json.JsonReader;
public class OpenCellIdLocationProvider extends BaseLocationProvider {
private String url;
public OpenCellIdLocationProvider(String key) {
this("http://opencellid.org/cell/get", key);
}
public OpenCellIdLocationProvider(String url, String key) {
this.url = url + "?format=json&mcc=%d&mnc=%d&lac=%d&cellid=%d&key=" + key;
}
protected void getLocation(int mcc, int mnc, long lac, long cid, final LocationProviderCallback callback) {
Context.getAsyncHttpClient().prepareGet(String.format(url, mcc, mnc, lac, cid))
.execute(new AsyncCompletionHandler() {
@Override
public Object onCompleted(Response response) throws Exception {
try (JsonReader reader = Json.createReader(response.getResponseBodyAsStream())) {
JsonObject json = reader.readObject();
if (json.containsKey("lat") && json.containsKey("lon")) {
callback.onSuccess(
json.getJsonNumber("lat").doubleValue(),
json.getJsonNumber("lon").doubleValue());
} else {
callback.onFailure();
}
}
return null;
}
@Override
public void onThrowable(Throwable t) {
callback.onFailure();
}
});
}
}
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