content: package pers.neige.neigeitems.event;
  
  import lombok.NonNull;
  import org.bukkit.Location;
  import org.bukkit.OfflinePlayer;
  import org.bukkit.event.HandlerList;
  import org.bukkit.inventory.ItemStack;
  import org.jetbrains.annotations.Nullable;
  
  import java.util.List;
  
  /**
   * 物品包掉落事件, /ni dropPack指令触发.
   *
   * @property id 物品ID
   * @property itemStacks 待掉落物品
   * @property location 掉落位置
   * @property parser 物品解析对象
   */
  public final class ItemPackDropEvent extends CancellableEvent {
      private static final HandlerList handlers = new HandlerList();
      private final @NonNull String id;
      private final @Nullable OfflinePlayer parser;
      private @NonNull List<ItemStack> itemStacks;
      private @NonNull Location location;
  
      /**
       * @param id         物品ID
       * @param itemStacks 待掉落物品
       * @param location   掉落位置
       * @param parser     物品解析对象
       */
      public ItemPackDropEvent(
              @NonNull String id,
              @NonNull List<ItemStack> itemStacks,
              @NonNull Location location,
              @Nullable OfflinePlayer parser
      ) {
          this.id = id;
          this.itemStacks = itemStacks;
          this.location = location;
          this.parser = parser;
      }
  
      public static @NonNull HandlerList getHandlerList() {
          return handlers;
      }
  
      /**
       * 获取物品ID
       */
      public @NonNull String getId() {
          return id;
      }
  
      /**
       * 获取待掉落物品
       */
      public @NonNull List<ItemStack> getItemStacks() {
          return itemStacks;
      }
  
      /**
       * 设置待掉落物品
       *
       * @param itemStacks 待掉落物品
       */
      public void setItemStacks(
              @NonNull List<ItemStack> itemStacks
      ) {
          this.itemStacks = itemStacks;
      }
  
      /**
       * 获取掉落位置
       */
      public @NonNull Location getLocation() {
          return location;
      }
  
      /**
       * 设置掉落位置
       *
       * @param location 掉落位置
       */
      public void setLocation(
              @NonNull Location location
      ) {
          this.location = location;
      }
  
      /**
       * 获取物品解析对象
       */
      public @Nullable OfflinePlayer getParser() {
          return parser;
      }
  
      @Override
      public @NonNull HandlerList getHandlers() {
          return handlers;
      }
  }