catch malformated url

src/de/bricked/utils/Downloader.java

@@ -4,6 +4,9 @@ package de.bricked.utils;
 import de.bricked.game.Config;
 import de.bricked.game.levels.LevelPack;
 import de.bricked.game.levels.LevelPackParser;
+import logger.LogLevel;
+import logger.Logger;
+
 import java.io.FileWriter;
 
 public class Downloader
@@ -15,10 +18,21 @@ public class Downloader
     public void download(String url)
     {
         downloadedString = FileUtils.getURLContent(url);
+        if(downloadedString != null)
+        {
+            try
+            {
                 levelPackParser = new LevelPackParser(downloadedString);
                 levelPack = levelPackParser.getLevelPack();
                 save();
             }
+            catch (Exception e)
+            {
+                Logger.log(LogLevel.ERROR, Logger.exceptionToString(e));
+            }
+        }
+
+    }
 
     private void save()
     {

src/de/bricked/utils/FileUtils.java

@@ -53,7 +53,7 @@ public class FileUtils
         }
         catch (Exception e)
         {
-            e.printStackTrace();
+            Logger.log(LogLevel.ERROR, Logger.exceptionToString(e));
         }
         return null;
     }