From 00b2ea57510c4df656b63d14535b5fcbcd7efd32 Mon Sep 17 00:00:00 2001
From: Michael Keppler <bananeweizen@gmx.de>
Date: Thu, 26 Dec 2013 09:25:13 +0100
Subject: findbugs: synchronize lazy initialized objects

---
 main/src/cgeo/geocaching/DataStore.java         | 2 +-
 main/src/cgeo/geocaching/maps/CGeoMap.java      | 5 +----
 main/src/cgeo/geocaching/settings/Settings.java | 2 +-
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/main/src/cgeo/geocaching/DataStore.java b/main/src/cgeo/geocaching/DataStore.java
index 9075d45..c6ee9f2 100644
--- a/main/src/cgeo/geocaching/DataStore.java
+++ b/main/src/cgeo/geocaching/DataStore.java
@@ -304,7 +304,7 @@ public class DataStore {
         }
     }
 
-    public static void closeDb() {
+    public static synchronized void closeDb() {
         if (database == null) {
             return;
         }
diff --git a/main/src/cgeo/geocaching/maps/CGeoMap.java b/main/src/cgeo/geocaching/maps/CGeoMap.java
index 927ff28..d8cad51 100644
--- a/main/src/cgeo/geocaching/maps/CGeoMap.java
+++ b/main/src/cgeo/geocaching/maps/CGeoMap.java
@@ -186,7 +186,7 @@ public class CGeoMap extends AbstractMap implements OnMapDragListener, ViewFacto
     private boolean markersInvalidated = false; // previous state for loadTimer
     private boolean centered = false; // if map is already centered
     private boolean alreadyCentered = false; // -""- for setting my location
-    private static Set<String> dirtyCaches = null;
+    private static final Set<String> dirtyCaches = new HashSet<String>();
 
     // Thread pooling
     private static BlockingQueue<Runnable> displayQueue = new ArrayBlockingQueue<Runnable>(1);
@@ -1605,9 +1605,6 @@ public class CGeoMap extends AbstractMap implements OnMapDragListener, ViewFacto
     }
 
     public static void markCacheAsDirty(final String geocode) {
-        if (dirtyCaches == null) {
-            dirtyCaches = new HashSet<String>();
-        }
         dirtyCaches.add(geocode);
     }
 
diff --git a/main/src/cgeo/geocaching/settings/Settings.java b/main/src/cgeo/geocaching/settings/Settings.java
index 186e5d9..0732866 100644
--- a/main/src/cgeo/geocaching/settings/Settings.java
+++ b/main/src/cgeo/geocaching/settings/Settings.java
@@ -599,7 +599,7 @@ public class Settings {
         putInt(R.string.pref_lastmaplon, mapViewCenter.getLongitudeE6());
     }
 
-    public static MapSource getMapSource() {
+    public static synchronized MapSource getMapSource() {
         if (mapSource != null) {
             return mapSource;
         }
-- 
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