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/*
* Copyright 2016 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 com.fasterxml.jackson.core.JsonProcessingException;
import com.ning.http.client.AsyncCompletionHandler;
import com.ning.http.client.Response;
import org.traccar.Context;
import org.traccar.model.Network;
import javax.json.Json;
import javax.json.JsonObject;
import javax.json.JsonReader;
public class UniversalGeolocationProvider implements GeolocationProvider {
private String url;
public UniversalGeolocationProvider(String url, String key) {
this.url = url + "?key=" + key;
}
@Override
public void getLocation(Network network, final LocationProviderCallback callback) {
try {
String request = Context.getObjectMapper().writeValueAsString(network);
Context.getAsyncHttpClient().preparePost(url).setBody(request).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("error")) {
callback.onFailure(
new GeolocationException(json.getJsonObject("error").getString("message")));
} else {
JsonObject location = json.getJsonObject("location");
callback.onSuccess(
location.getJsonNumber("lat").doubleValue(),
location.getJsonNumber("lng").doubleValue(),
json.getJsonNumber("accuracy").doubleValue());
}
}
return null;
}
@Override
public void onThrowable(Throwable t) {
callback.onFailure(t);
}
});
} catch (JsonProcessingException e) {
callback.onFailure(e);
}
}
}
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