feat: 为 GSON 工具增加 ItemStack 序列化功能

hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/HamsterCorePlugin.java

@@ -9,11 +9,15 @@ import cn.hamster3.mc.plugin.core.bukkit.hook.VaultAPI;
 import cn.hamster3.mc.plugin.core.bukkit.listener.CallbackListener;
 import cn.hamster3.mc.plugin.core.bukkit.listener.DebugListener;
 import cn.hamster3.mc.plugin.core.bukkit.page.listener.PageListener;
+import cn.hamster3.mc.plugin.core.bukkit.util.BukkitSerializeUtils;
 import cn.hamster3.mc.plugin.core.common.constant.CoreConstantObjects;
+import com.google.gson.*;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import org.bukkit.Bukkit;
+import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.lang.reflect.Type;
 import java.util.logging.Logger;
 
 public class HamsterCorePlugin extends JavaPlugin {
@@ -38,6 +42,9 @@ public class HamsterCorePlugin extends JavaPlugin {
         saveDefaultConfig();
         reloadConfig();
         logger.info("已读取配置文件.");
+        CoreConstantObjects.GSON = CoreConstantObjects.GSON.newBuilder()
+                .registerTypeAdapter(ItemStack.class, ItemStackAdapter.INSTANCE)
+                .create();
         CoreBukkitAPI.init();
         logger.info("已初始化 CoreBukkitAPI.");
         CoreMessage.init(this);
@@ -86,3 +93,27 @@ public class HamsterCorePlugin extends JavaPlugin {
         return audienceProvider;
     }
 }
+
+class ItemStackAdapter implements JsonSerializer<ItemStack>, JsonDeserializer<ItemStack> {
+    public static final ItemStackAdapter INSTANCE = new ItemStackAdapter();
+
+    private ItemStackAdapter() {
+    }
+
+    @Override
+    public ItemStack deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+        if (json.isJsonNull()) {
+            return null;
+        }
+        return BukkitSerializeUtils.deserializeItemStack(json.getAsString());
+    }
+
+    @Override
+    public JsonElement serialize(ItemStack src, Type typeOfSrc, JsonSerializationContext context) {
+        String s = BukkitSerializeUtils.serializeItemStack(src);
+        if (s == null) {
+            return JsonNull.INSTANCE;
+        }
+        return new JsonPrimitive(s);
+    }
+}

hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/page/ButtonGroup.java

@@ -169,8 +169,7 @@ public class ButtonGroup {
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
-        if (!(o instanceof ButtonGroup)) return false;
-        ButtonGroup that = (ButtonGroup) o;
+        if (!(o instanceof ButtonGroup that)) return false;
         return name.equals(that.name);
     }