PlayerInteractEntityListener.java

package keno.gaming.listeners;

import org.bukkit.Material;
import org.bukkit.entity.Cat;
import org.bukkit.entity.EntityType;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.inventory.ItemStack;

public class PlayerInteractEntityListener implements Listener {

    @EventHandler
    public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {

        ItemStack item = event.getPlayer().getInventory().getItemInMainHand();

        if (item.getType() == Material.NAME_TAG) {

            if (event.getRightClicked().getType() == EntityType.CAT) {

                try {

                    if (!item.getItemMeta().hasDisplayName()) return;

                    // example
                    // "British Shorthair" -> "BRITISH_SHORTHAIR"
                    Cat.Type type = Cat.Type.valueOf(item.getItemMeta().getDisplayName().toUpperCase().replaceAll(" ", "_"));

                    Cat cat = (Cat) event.getRightClicked();

                    cat.setCatType(type);

                } catch(IllegalArgumentException ignored) {}

            }

        }

    }

}