Add Gisgraphy reverse geocoder

1 files changed, 67 insertions, 0 deletions

diff --git a/src/org/traccar/geocode/GisgraphyReverseGeocoder.java b/src/org/traccar/geocode/GisgraphyReverseGeocoder.java
new file mode 100644
index 000000000..9d513a6f5
--- /dev/null
+++ b/src/org/traccar/geocode/GisgraphyReverseGeocoder.java
@@ -0,0 +1,67 @@
+/*
+ * 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.geocode;
+
+import org.traccar.helper.Log;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.net.URLConnection;
+
+public class GisgraphyReverseGeocoder implements ReverseGeocoder {
+
+    private final String url;
+
+    public GisgraphyReverseGeocoder() {
+        this("http://services.gisgraphy.com/street/streetsearch");
+    }
+
+    public GisgraphyReverseGeocoder(String url) {
+        this.url = url + "?format=json&lat=%f&lng=%f&from=1&to=1";
+    }
+
+    @Override
+    public String getAddress(AddressFormat format, double latitude, double longitude) {
+        
+        try {
+            Address address = new Address();
+            URLConnection conn = new URL(String.format(url, latitude, longitude)).openConnection();
+
+            JsonObject json = Json.createReader(new InputStreamReader(conn.getInputStream())).readObject();
+            JsonObject result = json.getJsonArray("result").getJsonObject(0);
+
+            if (result.containsKey("name")) {
+                address.setStreet(result.getString("name"));
+            }
+            if (result.containsKey("isIn")) {
+                address.setSettlement(result.getString("isIn"));
+            }
+            if (result.containsKey("countryCode")) {
+                address.setCountry(result.getString("countryCode"));
+            }
+
+            return format.format(address);
+
+        } catch(Exception error) {
+            Log.warning(error);
+        }
+
+        return null;
+    }
+
+}