From 96d89e2e352f5cba70a346b1f71bfb3bd399556b Mon Sep 17 00:00:00 2001
From: Abyss777 <abyss@fox5.ru>
Date: Fri, 10 Nov 2017 09:56:30 +0500
Subject: - Combine "getAddress" functions - Change switches logic

---
 src/org/traccar/geocoder/Geocoder.java     |  4 +-
 src/org/traccar/geocoder/JsonGeocoder.java | 95 ++++++++++++++----------------
 2 files changed, 45 insertions(+), 54 deletions(-)

(limited to 'src/org/traccar/geocoder')

diff --git a/src/org/traccar/geocoder/Geocoder.java b/src/org/traccar/geocoder/Geocoder.java
index c3fa394c7..587a27520 100644
--- a/src/org/traccar/geocoder/Geocoder.java
+++ b/src/org/traccar/geocoder/Geocoder.java
@@ -25,8 +25,6 @@ public interface Geocoder {
 
     }
 
-    void getAddress(double latitude, double longitude, ReverseGeocoderCallback callback);
-
-    String getAddress(double latitude, double longitude);
+    String getAddress(double latitude, double longitude, ReverseGeocoderCallback callback);
 
 }
diff --git a/src/org/traccar/geocoder/JsonGeocoder.java b/src/org/traccar/geocoder/JsonGeocoder.java
index 2ae1fe5aa..82a6ee604 100644
--- a/src/org/traccar/geocoder/JsonGeocoder.java
+++ b/src/org/traccar/geocoder/JsonGeocoder.java
@@ -28,7 +28,6 @@ import java.io.IOException;
 import java.util.AbstractMap;
 import java.util.Collections;
 import java.util.LinkedHashMap;
-import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.ExecutionException;
 
@@ -52,70 +51,64 @@ public abstract class JsonGeocoder implements Geocoder {
         }
     }
 
-    @Override
-    public void getAddress(
-            final double latitude, final double longitude, final ReverseGeocoderCallback callback) {
-
-        if (cache != null) {
-            String cachedAddress = cache.get(new AbstractMap.SimpleImmutableEntry<>(latitude, longitude));
-            if (cachedAddress != null) {
-                callback.onSuccess(cachedAddress);
-                return;
-            }
-        }
-
-        Context.getAsyncHttpClient().prepareGet(String.format(Locale.US, url, latitude, longitude))
-                .execute(new AsyncCompletionHandler() {
-            @Override
-            public Object onCompleted(Response response) throws Exception {
-                try (JsonReader reader = Json.createReader(response.getResponseBodyAsStream())) {
-                    Address address = parseAddress(reader.readObject());
-                    if (address != null) {
-                        String formattedAddress = addressFormat.format(address);
-                        if (cache != null) {
-                            cache.put(new AbstractMap.SimpleImmutableEntry<>(latitude, longitude), formattedAddress);
-                        }
-                        callback.onSuccess(formattedAddress);
-                    } else {
-                        callback.onFailure(new GeocoderException("Empty address"));
-                    }
+    private String handleResponse(double latitude, double longitude, Response response,
+            ReverseGeocoderCallback callback) throws IOException {
+        try (JsonReader reader = Json.createReader(response.getResponseBodyAsStream())) {
+            Address address = parseAddress(reader.readObject());
+            if (address != null) {
+                String formattedAddress = addressFormat.format(address);
+                if (cache != null) {
+                    cache.put(new AbstractMap.SimpleImmutableEntry<>(latitude, longitude), formattedAddress);
                 }
-                return null;
-            }
-
-            @Override
-            public void onThrowable(Throwable t) {
-                callback.onFailure(t);
+                if (callback != null) {
+                    callback.onSuccess(formattedAddress);
+                }
+                return formattedAddress;
+            } else {
+                if (callback != null) {
+                    callback.onFailure(new GeocoderException("Empty address"));
+                }
+                Log.warning("Empty address");
             }
-        });
+        }
+        return null;
     }
 
     @Override
-    public String getAddress(final double latitude, final double longitude) {
+    public String getAddress(
+            final double latitude, final double longitude, final ReverseGeocoderCallback callback) {
+
         if (cache != null) {
             String cachedAddress = cache.get(new AbstractMap.SimpleImmutableEntry<>(latitude, longitude));
             if (cachedAddress != null) {
+                if (callback != null) {
+                    callback.onSuccess(cachedAddress);
+                }
                 return cachedAddress;
             }
         }
 
-        try {
-            Response response = Context.getAsyncHttpClient()
-                    .prepareGet(String.format(Locale.US, url, latitude, longitude)).execute().get();
-            try (JsonReader reader = Json.createReader(response.getResponseBodyAsStream())) {
-                Address address = parseAddress(reader.readObject());
-                if (address != null) {
-                    String formattedAddress = addressFormat.format(address);
-                    if (cache != null) {
-                        cache.put(new AbstractMap.SimpleImmutableEntry<>(latitude, longitude), formattedAddress);
-                    }
-                    return formattedAddress;
-                } else {
-                    Log.warning("Empty address");
+        if (callback != null) {
+            Context.getAsyncHttpClient().prepareGet(String.format(url, latitude, longitude))
+                    .execute(new AsyncCompletionHandler() {
+                @Override
+                public Object onCompleted(Response response) throws Exception {
+                    return handleResponse(latitude, longitude, response, callback);
                 }
+
+                @Override
+                public void onThrowable(Throwable t) {
+                    callback.onFailure(t);
+                }
+            });
+        } else {
+            try {
+                Response response = Context.getAsyncHttpClient()
+                        .prepareGet(String.format(url, latitude, longitude)).execute().get();
+                return handleResponse(latitude, longitude, response, null);
+            } catch (InterruptedException | ExecutionException | IOException error) {
+                Log.warning("Geocoding failed", error);
             }
-        } catch (InterruptedException | ExecutionException | IOException error) {
-            Log.warning("Geocoding failed", error);
         }
         return null;
     }
-- 
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