public class LevelableItemsLoader extends SimpleJsonResourceReloadListener {

    private static final Gson GSON = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create();

    public LevelableItemsLoader() {
        super(GSON, "levelable_items");
    }

    private Map<ResourceLocation, Item> itemmap = ImmutableMap.of();

    @Override
    protected void apply(Map<ResourceLocation, JsonElement> jsonMap, ResourceManager pResourceManager, ProfilerFiller pProfiler) {

        ImmutableMap.Builder<ResourceLocation, Item> builder = ImmutableMap.builder();
        jsonMap.forEach((resourceLocation, jsonElement) -> {
            try {
                JsonObject jsonObject = jsonElement.getAsJsonObject();
                String keyString = resourceLocation.getPath();

                WeaponLeveling.LOGGER.info("This is the path: " + keyString);

                if(ForgeRegistries.ITEMS.containsKey(resourceLocation)) {
                    Item item = ForgeRegistries.ITEMS.getValue(resourceLocation);
                    builder.put(resourceLocation, item);

                } else WeaponLeveling.LOGGER.error("{} is not a valid Item", resourceLocation);

            }catch (IllegalArgumentException | JsonParseException jsonparseexception) {
                WeaponLeveling.LOGGER.error("Parsing error loading Item Levels {}: {}", resourceLocation,           jsonparseexception.getMessage());
            }});
            Map<ResourceLocation, Item> map = builder.build();

            this.itemmap = map;
    }


    public Item get(ResourceLocation resourceLocation) {
        return this.itemmap.get(resourceLocation);
    }

    public boolean contains(Item item) {
        return get(item.getRegistryName()) != null;
    }

}