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/*
* Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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.geocode;
import org.traccar.helper.Log;
import javax.json.Json;
import javax.json.JsonObject;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
public class GisgraphyReverseGeocoder implements ReverseGeocoder {
private final String url;
public GisgraphyReverseGeocoder() {
this("http://services.gisgraphy.com/street/streetsearch");
}
public GisgraphyReverseGeocoder(String url) {
this.url = url + "?format=json&lat=%f&lng=%f&from=1&to=1";
}
@Override
public String getAddress(AddressFormat format, double latitude, double longitude) {
try {
Address address = new Address();
URLConnection conn = new URL(String.format(url, latitude, longitude)).openConnection();
JsonObject json = Json.createReader(new InputStreamReader(conn.getInputStream())).readObject();
JsonObject result = json.getJsonArray("result").getJsonObject(0);
if (result.containsKey("name")) {
address.setStreet(result.getString("name"));
}
if (result.containsKey("isIn")) {
address.setSettlement(result.getString("isIn"));
}
if (result.containsKey("countryCode")) {
address.setCountry(result.getString("countryCode"));
}
return format.format(address);
} catch(Exception error) {
Log.warning(error);
}
return null;
}
}
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