diff options
Diffstat (limited to 'src/org/traccar/geocoder/JsonGeocoder.java')
-rw-r--r-- | src/org/traccar/geocoder/JsonGeocoder.java | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/src/org/traccar/geocoder/JsonGeocoder.java b/src/org/traccar/geocoder/JsonGeocoder.java deleted file mode 100644 index 6d1380729..000000000 --- a/src/org/traccar/geocoder/JsonGeocoder.java +++ /dev/null @@ -1,89 +0,0 @@ -/* - * 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.geocoder; - -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; -import java.util.AbstractMap; -import java.util.Collections; -import java.util.LinkedHashMap; -import java.util.Map; - -public abstract class JsonGeocoder implements Geocoder { - - private final String url; - - private Map<Map.Entry<Double, Double>, String> cache; - - public JsonGeocoder(String url, final int cacheSize) { - this.url = url; - if (cacheSize > 0) { - this.cache = Collections.synchronizedMap(new LinkedHashMap<Map.Entry<Double, Double>, String>() { - @Override - protected boolean removeEldestEntry(Map.Entry eldest) { - return size() > cacheSize; - } - }); - } - } - - @Override - public void getAddress( - final AddressFormat format, final double latitude, - final double longitude, final ReverseGeocoderCallback callback) { - - if (cache != null) { - String cachedAddress = cache.get(new AbstractMap.SimpleImmutableEntry<>(latitude, longitude)); - if (cachedAddress != null) { - callback.onSuccess(cachedAddress); - return; - } - } - - Context.getAsyncHttpClient().prepareGet(String.format(url, latitude, longitude)) - .execute(new AsyncCompletionHandler() { - @Override - public Object onCompleted(Response response) throws Exception { - try (JsonReader reader = Json.createReader(response.getResponseBodyAsStream())) { - Address address = parseAddress(reader.readObject()); - if (address != null) { - String formattedAddress = format.format(address); - if (cache != null) { - cache.put(new AbstractMap.SimpleImmutableEntry<>(latitude, longitude), formattedAddress); - } - callback.onSuccess(formattedAddress); - } else { - callback.onFailure(new GeocoderException("Empty address")); - } - } - return null; - } - - @Override - public void onThrowable(Throwable t) { - callback.onFailure(t); - } - }); - } - - public abstract Address parseAddress(JsonObject json); - -} |