Index: applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/oauth/OAuthUtils.java
===================================================================
--- applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/oauth/OAuthUtils.java	(revision 31793)
+++ applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/oauth/OAuthUtils.java	(revision 31795)
@@ -37,7 +37,9 @@
         "Bearer " + Main.pref.get("mapillary.access-token"));
 
-    BufferedReader in = new BufferedReader(new InputStreamReader(
-        con.getInputStream()));
-    return Json.createReader(in).readObject();
+    try (
+      BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()))
+    ) {
+      return Json.createReader(in).readObject();
+    }
   }
 }
Index: applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/traffico/TrafficoGlyph.java
===================================================================
--- applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/traffico/TrafficoGlyph.java	(revision 31793)
+++ applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/traffico/TrafficoGlyph.java	(revision 31795)
@@ -10,5 +10,5 @@
 import javax.json.JsonReader;
 
-public class TrafficoGlyph {
+public final class TrafficoGlyph {
   private TrafficoGlyph() {
     // private constructor to avoid instantiation
Index: applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/traffico/TrafficoSign.java
===================================================================
--- applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/traffico/TrafficoSign.java	(revision 31793)
+++ applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/traffico/TrafficoSign.java	(revision 31795)
@@ -9,5 +9,4 @@
 import java.util.Map;
 import java.util.Set;
-import java.util.TreeMap;
 
 import javax.json.Json;
@@ -15,12 +14,7 @@
 import javax.json.JsonObject;
 
-public class TrafficoSign {
-  private static final Map<String, String> isIn = new TreeMap<>();
-
-  static {
-    isIn.put("be", "europe");
-    isIn.put("de", "europe");
-    isIn.put("dk", "europe");
-    isIn.put("es", "europe");
+public final class TrafficoSign {
+  private TrafficoSign() {
+    // private constructor to avoid instantiation
   }
 
@@ -31,6 +25,5 @@
       System.out.println("Read signs for " + country);
       InputStream countryStream = TrafficoSign.class
-          .getResourceAsStream("/data/fonts/traffico/signs/" + country
-              + ".json");
+          .getResourceAsStream("/data/fonts/traffico/signs/" + country + ".json");
       if (countryStream == null) {
         return null;
@@ -89,7 +82,4 @@
       return signs.get(country).get(signName);
     }
-    if (isIn.containsKey(country)) {
-      return TrafficoSign.getSign(isIn.get(country), signName);
-    }
     return null;
   }