1 files changed, 75 insertions, 0 deletions
diff --git a/src/org/traccar/geolocation/OpenCellIdGeolocationProvider.java b/src/org/traccar/geolocation/OpenCellIdGeolocationProvider.java
new file mode 100644
index 000000000..7d129e3e9
--- /dev/null
+++ b/src/org/traccar/geolocation/OpenCellIdGeolocationProvider.java
@@ -0,0 +1,75 @@
+/*
+ * 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.geolocation;
+
+import com.ning.http.client.AsyncCompletionHandler;
+import com.ning.http.client.Response;
+import org.traccar.Context;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import javax.json.JsonReader;
+
+public class OpenCellIdGeolocationProvider implements GeolocationProvider {
+
+    private String url;
+
+    public OpenCellIdGeolocationProvider(String key) {
+        this("http://opencellid.org/cell/get", key);
+    }
+
+    public OpenCellIdGeolocationProvider(String url, String key) {
+        this.url = url + "?format=json&mcc=%d&mnc=%d&lac=%d&cellid=%d&key=" + key;
+    }
+
+    @Override
+    public void getLocation(Network network, final LocationProviderCallback callback) {
+        if (network.getCellTowers() != null && !network.getCellTowers().isEmpty()) {
+
+            CellTower cellTower = network.getCellTowers().iterator().next();
+            String request = String.format(url, cellTower.getMobileCountryCode(), cellTower.getMobileNetworkCode(),
+                    cellTower.getLocationAreaCode(), cellTower.getCellId());
+
+            Context.getAsyncHttpClient().prepareGet(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("lat") && json.containsKey("lon")) {
+                            callback.onSuccess(
+                                    json.getJsonNumber("lat").doubleValue(),
+                                    json.getJsonNumber("lon").doubleValue(), 0);
+                        } else {
+                            callback.onFailure(new IllegalArgumentException("Coordinates are missing"));
+                        }
+                    }
+                    return null;
+                }
+
+                @Override
+                public void onThrowable(Throwable t) {
+                    callback.onFailure(t);
+                }
+            });
+
+        } else {
+            callback.onFailure(new IllegalArgumentException("No network information"));
+        }
+    }
+
+}