1 files changed, 52 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..c422ed50a
--- /dev/null
+++ b/src/org/traccar/location/BaseLocationProvider.java
@@ -0,0 +1,52 @@
+/*
+ * 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.Config;
+import org.traccar.Context;
+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) {
+
+        Config config = Context.getConfig();
+
+        Number mcc = (Number) attributes.get(Event.KEY_MCC);
+        if (mcc == null && config.hasKey("location.mcc")) {
+            mcc = config.getInteger("location.mcc");
+        }
+
+        Number mnc = (Number) attributes.get(Event.KEY_MNC);
+        if (mnc == null && config.hasKey("location.mnc")) {
+            mnc = config.getInteger("location.mnc");
+        }
+
+        Number lac = (Number) attributes.get(Event.KEY_LAC);
+        Number cid = (Number) attributes.get(Event.KEY_CID);
+
+        if (mcc != null && mnc != null && lac != null && cid != null) {
+            getLocation(mcc.intValue(), mnc.intValue(), lac.longValue(), cid.longValue(), callback);
+        }
+
+    }
+
+    protected abstract void getLocation(int mcc, int mnc, long lac, long cid, LocationProviderCallback callback);
+
+}