Paper/paper-server/src/main/java/org/bukkit/craftbukkit/CraftMusicInstrument.java

package org.bukkit.craftbukkit;

import com.google.common.base.Preconditions;
import io.papermc.paper.registry.RegistryKey;
import io.papermc.paper.util.Holderable;
import net.minecraft.core.Holder;
import net.minecraft.core.registries.Registries;
import net.minecraft.world.item.Instrument;
import org.bukkit.MusicInstrument;
import org.bukkit.NamespacedKey;
import org.bukkit.Registry;
import org.jetbrains.annotations.NotNull;

public class CraftMusicInstrument extends MusicInstrument implements io.papermc.paper.util.Holderable<Instrument> {

    public static MusicInstrument minecraftToBukkit(Instrument minecraft) {
        return CraftRegistry.minecraftToBukkit(minecraft, Registries.INSTRUMENT);
    }

    public static MusicInstrument minecraftHolderToBukkit(Holder<Instrument> minecraft) {
        return CraftRegistry.minecraftHolderToBukkit(minecraft, Registries.INSTRUMENT); // Paper - switch to Holder
    }

    public static Instrument bukkitToMinecraft(MusicInstrument bukkit) {
        return CraftRegistry.bukkitToMinecraft(bukkit);
    }

    public static Holder<Instrument> bukkitToMinecraftHolder(MusicInstrument bukkit) {
        return CraftRegistry.bukkitToMinecraftHolder(bukkit, Registries.INSTRUMENT); // Paper - switch to Holder
    }

    public static Object bukkitToString(MusicInstrument bukkit) { // Paper - switch to Holder
        Preconditions.checkArgument(bukkit != null);

        return ((CraftMusicInstrument) bukkit).toBukkitSerializationObject(Instrument.DIRECT_CODEC); // Paper - switch to Holder
    }

    public static MusicInstrument stringToBukkit(Object string) { // Paper - switch to Holder
        Preconditions.checkArgument(string != null);

        return io.papermc.paper.util.Holderable.fromBukkitSerializationObject(string, Instrument.CODEC, RegistryKey.INSTRUMENT); // Paper - switch to Holder
    }

    @Override
    public boolean equals(final Object o) {
        return this.implEquals(o);
    }

    @Override
    public int hashCode() {
        return this.implHashCode();
    }

    @Override
    public String toString() {
        return this.implToString();
    }

    private final Holder<Instrument> holder;

    public CraftMusicInstrument(Holder<Instrument> holder) {
        this.holder = holder;
    }

    @Override
    public Holder<Instrument> getHolder() { // Paper - switch to Holder
        return this.holder; // Paper - switch to Holder
    }

    @NotNull
    @Override
    public NamespacedKey getKey() {
        return Holderable.super.getKey();
    }

    @Override
    public @NotNull String translationKey() {
        if (!(this.getHandle().description().getContents() instanceof final net.minecraft.network.chat.contents.TranslatableContents translatableContents)) {
            throw new UnsupportedOperationException("Description isn't translatable!"); // Paper
        }
        return translatableContents.getKey();
    }
}