Support materials from 1.8 to 1.17 with data (colors)

MaterialUtils.java

public final class MaterialUtils {
    
    public static ItemStack convertFromLegacy(String materialName, int damage) {

        try {
            return new ItemStack(Material.getMaterial(materialName), 1, (short) damage);            
        } catch (Exception error) {
            Material material = Material.valueOf("LEGACY_" + materialName);
            return new ItemStack(Bukkit.getUnsafe().fromLegacy(new MaterialData(material, (byte) damage)));
        }

    }
    
}

UserConnectionListener.java

public final class UserDisconnectListener implements Listener {

    @EventHandler
    public void onJoin(PlayerJoinEvent event) {

        PlayerInventory inventory = event.getPlayer().getInventory();
        inventory.addItem(MaterialUtils.convertFromLegacy("WOOL", 14));
        // add a red wool to player (1.8 & 1.17)

    }
}