Fix SWCommandUtils for Number mapping

SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java

@@ -58,9 +58,9 @@ public class SWCommandUtils {
 
     static {
         addMapper(boolean.class, Boolean.class, createMapper(Boolean::parseBoolean, s -> Arrays.asList("true", "false")));
-        addMapper(float.class, Float.class, createMapper(Float::parseFloat, numberCompleter(Float::parseFloat)));
-        addMapper(double.class, Double.class, createMapper(Double::parseDouble, numberCompleter(Double::parseDouble)));
-        addMapper(int.class, Integer.class, createMapper(Integer::parseInt, numberCompleter(Integer::parseInt)));
+        addMapper(float.class, Float.class, createMapper(numberMapper(Float::parseFloat), numberCompleter(Float::parseFloat)));
+        addMapper(double.class, Double.class, createMapper(numberMapper(Double::parseDouble), numberCompleter(Double::parseDouble)));
+        addMapper(int.class, Integer.class, createMapper(numberMapper(Integer::parseInt), numberCompleter(Integer::parseInt)));
         MAPPER_FUNCTIONS.put(String.class.getTypeName(), createMapper(s -> s, Collections::singletonList));
         MAPPER_FUNCTIONS.put(Player.class.getTypeName(), createMapper(Bukkit::getPlayer, s -> Bukkit.getOnlinePlayers().stream().map(Player::getName).collect(Collectors.toList())));
         MAPPER_FUNCTIONS.put(GameMode.class.getTypeName(), createMapper(s -> {
@@ -69,7 +69,7 @@ public class SWCommandUtils {
             if (s.equals("c") || s.equals("creative") || s.equals("1")) return GameMode.CREATIVE;
             if (s.equals("sp") || s.equals("spectator") || s.equals("3")) return GameMode.SPECTATOR;
             if (s.equals("a") || s.equals("adventure") || s.equals("2")) return GameMode.ADVENTURE;
-            throw new SecurityException();
+            return null;
         }, s -> Arrays.asList("s", "survival", "0", "c", "creative", "1", "sp", "specator", "3", "a", "adventure", "2")));
     }
 
@@ -167,6 +167,16 @@ public class SWCommandUtils {
         };
     }
 
+    private static <T> Function<String, T> numberMapper(Function<String, T> mapper) {
+        return s -> {
+            try {
+                return mapper.apply(s);
+            } catch (NumberFormatException e) {
+                return null;
+            }
+        };
+    }
+
     private static Function<String, List<String>> numberCompleter(Function<String, ?> mapper) {
         return s -> {
             try {