1 files changed, 91 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/geocoder/NominatimGeocoder.java b/src/main/java/org/traccar/geocoder/NominatimGeocoder.java
new file mode 100644
index 000000000..8db25bf15
--- /dev/null
+++ b/src/main/java/org/traccar/geocoder/NominatimGeocoder.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2014 - 2017 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 javax.json.JsonObject;
+
+public class NominatimGeocoder extends JsonGeocoder {
+
+    private static String formatUrl(String url, String key, String language) {
+        if (url == null) {
+            url = "https://nominatim.openstreetmap.org/reverse";
+        }
+        url += "?format=json&lat=%f&lon=%f&zoom=18&addressdetails=1";
+        if (key != null) {
+            url += "&key=" + key;
+        }
+        if (language != null) {
+            url += "&accept-language=" + language;
+        }
+        return url;
+    }
+
+    public NominatimGeocoder(String url, String key, String language, int cacheSize, AddressFormat addressFormat) {
+        super(formatUrl(url, key, language), cacheSize, addressFormat);
+    }
+
+    @Override
+    public Address parseAddress(JsonObject json) {
+        JsonObject result = json.getJsonObject("address");
+
+        if (result != null) {
+            Address address = new Address();
+
+            if (json.containsKey("display_name")) {
+                address.setFormattedAddress(json.getString("display_name"));
+            }
+
+            if (result.containsKey("house_number")) {
+                address.setHouse(result.getString("house_number"));
+            }
+            if (result.containsKey("road")) {
+                address.setStreet(result.getString("road"));
+            }
+            if (result.containsKey("suburb")) {
+                address.setSuburb(result.getString("suburb"));
+            }
+
+            if (result.containsKey("village")) {
+                address.setSettlement(result.getString("village"));
+            } else if (result.containsKey("town")) {
+                address.setSettlement(result.getString("town"));
+            } else if (result.containsKey("city")) {
+                address.setSettlement(result.getString("city"));
+            }
+
+            if (result.containsKey("state_district")) {
+                address.setDistrict(result.getString("state_district"));
+            } else if (result.containsKey("region")) {
+                address.setDistrict(result.getString("region"));
+            }
+
+            if (result.containsKey("state")) {
+                address.setState(result.getString("state"));
+            }
+            if (result.containsKey("country_code")) {
+                address.setCountry(result.getString("country_code").toUpperCase());
+            }
+            if (result.containsKey("postcode")) {
+                address.setPostcode(result.getString("postcode"));
+            }
+
+            return address;
+        }
+
+        return null;
+    }
+
+}