content: package pers.neige.neigeitems.event;
  
  import lombok.NonNull;
  import org.bukkit.entity.Player;
  import org.bukkit.event.HandlerList;
  import org.bukkit.inventory.ItemStack;
  
  /**
   * 物品给予事件, /ni give指令触发.
   *
   * @property id 物品ID
   * @property player 物品接收者
   * @property itemStack 待给予物品
   * @property amount 给予数量
   */
  public final class ItemGiveEvent extends CancellableEvent {
      private static final HandlerList handlers = new HandlerList();
      private final @NonNull String id;
      private final @NonNull Player player;
      private @NonNull ItemStack itemStack;
      private int amount;
  
      /**
       * @param id        物品ID
       * @param player    物品接收者
       * @param itemStack 待给予物品
       */
      public ItemGiveEvent(
              @NonNull String id,
              @NonNull Player player,
              @NonNull ItemStack itemStack
      ) {
          this.id = id;
          this.player = player;
          this.itemStack = itemStack;
          this.amount = itemStack.getAmount();
      }
  
      /**
       * @param id        物品ID
       * @param player    物品接收者
       * @param itemStack 待给予物品
       * @param amount    给予数量
       */
      public ItemGiveEvent(
              @NonNull String id,
              @NonNull Player player,
              @NonNull ItemStack itemStack,
              int amount
      ) {
          this.id = id;
          this.player = player;
          this.itemStack = itemStack;
          this.amount = amount;
      }
  
      public static @NonNull HandlerList getHandlerList() {
          return handlers;
      }
  
      /**
       * 获取物品ID
       */
      public @NonNull String getId() {
          return id;
      }
  
      /**
       * 获取物品接收者
       */
      public @NonNull Player getPlayer() {
          return player;
      }
  
      /**
       * 获取待给予物品
       */
      public @NonNull ItemStack getItemStack() {
          return itemStack;
      }
  
      /**
       * 设置待给予物品
       *
       * @param itemStack 待给予物品
       */
      public void setItemStack(
              @NonNull ItemStack itemStack
      ) {
          this.itemStack = itemStack;
      }
  
      /**
       * 获取给予数量
       */
      public int getAmount() {
          return amount;
      }
  
      /**
       * 设置给予数量
       *
       * @param amount 给予数量
       */
      public void setAmount(
              int amount
      ) {
          this.amount = amount;
      }
  
      @Override
      public @NonNull HandlerList getHandlers() {
          return handlers;
      }
  }