3 files changed, 91 insertions, 0 deletions
diff --git a/src/org/traccar/location/BaseLocationProvider.java b/src/org/traccar/location/BaseLocationProvider.java
new file mode 100644
index 000000000..80b10b33c
--- /dev/null
+++ b/src/org/traccar/location/BaseLocationProvider.java
@@ -0,0 +1,37 @@
+/*
+ * 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.location;
+
+import org.traccar.model.Event;
+
+import java.util.Map;
+
+public abstract class BaseLocationProvider implements LocationProvider {
+
+    @Override
+    public void getLocation(Map<String, Object> attributes, LocationProviderCallback callback) {
+        if (attributes.containsKey(Event.KEY_MCC) || attributes.containsKey(Event.KEY_MNC)) {
+            Number mcc = (Number) attributes.get(Event.KEY_MCC);
+            Number mnc = (Number) attributes.get(Event.KEY_MNC);
+            Number lac = (Number) attributes.get(Event.KEY_LAC);
+            Number cid = (Number) attributes.get(Event.KEY_CID);
+            getLocation(mcc.intValue(), mnc.intValue(), lac.longValue(), cid.longValue(), callback);
+        }
+    }
+
+    protected abstract void getLocation(int mcc, int mnc, long lac, long cid, LocationProviderCallback callback);
+
+}
diff --git a/src/org/traccar/location/LocationProvider.java b/src/org/traccar/location/LocationProvider.java
new file mode 100644
index 000000000..cbc9663f8
--- /dev/null
+++ b/src/org/traccar/location/LocationProvider.java
@@ -0,0 +1,30 @@
+/*
+ * 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.location;
+
+import java.util.Map;
+
+public interface LocationProvider {
+
+    interface LocationProviderCallback {
+
+        void onResult(double latitude, double longitude);
+
+    }
+
+    void getLocation(Map<String, Object> attributes, LocationProviderCallback callback);
+
+}
diff --git a/src/org/traccar/location/OpenCellIdLocationProvider.java b/src/org/traccar/location/OpenCellIdLocationProvider.java
new file mode 100644
index 000000000..22456c482
--- /dev/null
+++ b/src/org/traccar/location/OpenCellIdLocationProvider.java
@@ -0,0 +1,24 @@
+/*
+ * 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.location;
+
+public class OpenCellIdLocationProvider extends BaseLocationProvider {
+
+    protected void getLocation(int mcc, int mnc, long lac, long cid, LocationProviderCallback callback) {
+        // TODO
+    }
+
+}