/*
* Copyright 2012 - 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.geocoder;
import javax.json.JsonArray;
import javax.json.JsonObject;
import javax.json.JsonString;
public class GoogleGeocoder extends JsonGeocoder {
private static String formatUrl(String key, String language) {
String url = "https://maps.googleapis.com/maps/api/geocode/json?latlng=%f,%f";
if (key != null) {
url += "&key=" + key;
}
if (language != null) {
url += "&language=" + language;
}
return url;
}
public GoogleGeocoder(String key, String language, int cacheSize) {
super(formatUrl(key, language), cacheSize);
}
@Override
public Address parseAddress(JsonObject json) {
JsonArray results = json.getJsonArray("results");
if (!results.isEmpty()) {
Address address = new Address();
JsonObject result = (JsonObject) results.get(0);
JsonArray components = result.getJsonArray("address_components");
for (JsonObject component : components.getValuesAs(JsonObject.class)) {
String value = component.getString("short_name");
typesLoop: for (JsonString type : component.getJsonArray("types").getValuesAs(JsonString.class)) {
switch (type.getString()) {
case "street_number":
address.setHouse(value);
break typesLoop;
case "route":
address.setStreet(value);
break typesLoop;
case "locality":
address.setSettlement(value);
break typesLoop;
case "administrative_area_level_2":
address.setDistrict(value);
break typesLoop;
case "administrative_area_level_1":
address.setState(value);
break typesLoop;
case "country":
address.setCountry(value);
break typesLoop;
case "postal_code":
address.setPostcode(value);
break typesLoop;
default:
break;
}
}
}
return address;
}
return null;
}
}