Add reverse geocoding (fix #15)

1 files changed, 49 insertions, 0 deletions

diff --git a/src/org/traccar/ReverseGeocoderHandler.java b/src/org/traccar/ReverseGeocoderHandler.java
new file mode 100644
index 000000000..a7123bcec
--- /dev/null
+++ b/src/org/traccar/ReverseGeocoderHandler.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2012 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;
+
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.channel.MessageEvent;
+import org.jboss.netty.channel.SimpleChannelHandler;
+import org.traccar.geocode.ReverseGeocoder;
+import org.traccar.model.Position;
+
+/**
+ * Reverse geocoding channel event handler
+ */
+public class ReverseGeocoderHandler extends SimpleChannelHandler {
+
+    /**
+     * Geocoder object
+     */
+    private ReverseGeocoder geocoder;
+
+    public ReverseGeocoderHandler(ReverseGeocoder geocoder) {
+        this.geocoder = geocoder;
+    }
+
+    @Override
+    public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
+        if (e.getMessage() instanceof Position) {
+            Position position = (Position) e.getMessage();
+            if (geocoder != null) {
+                position.setAddress(geocoder.getAddress(
+                        position.getLatitude(), position.getLongitude()));
+            }
+        }
+    }
+
+}