From fee9b95befb1e1206c973eb0f3afcfbd28e3c8f2 Mon Sep 17 00:00:00 2001
From: Ben Woo <30431861+benwoo1110@users.noreply.github.com>
Date: Thu, 22 Jul 2021 11:42:54 +0800
Subject: [PATCH] Safer null checking with parsing enum value.

---
 .../onarandombox/MultiverseCore/utils/EnumMapping.java    | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/onarandombox/MultiverseCore/utils/EnumMapping.java b/src/main/java/com/onarandombox/MultiverseCore/utils/EnumMapping.java
index 21b29339..eeccd5dd 100644
--- a/src/main/java/com/onarandombox/MultiverseCore/utils/EnumMapping.java
+++ b/src/main/java/com/onarandombox/MultiverseCore/utils/EnumMapping.java
@@ -1,6 +1,7 @@
 package com.onarandombox.MultiverseCore.utils;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
 import java.util.Collections;
@@ -29,11 +30,16 @@ public class EnumMapping<T extends Enum<T>> {
     }
 
     @NotNull
-    public Optional<T> parseValue(String value) {
+    public Optional<T> parseValue(@Nullable String value) {
+        if (value == null) {
+            return Optional.empty();
+        }
+
         T enumType = this.enumsMap.get(caseSensitive ? value : value.toLowerCase());
         if (enumType != null) {
             return Optional.of(enumType);
         }
+
         try {
             return Optional.of(Enum.valueOf(enumClass, value));
         } catch (IllegalArgumentException e) {