Paper/paper-api/src/main/java/org/bukkit/block/Skull.java

package org.bukkit.block;

import org.bukkit.Material;
import org.bukkit.NamespacedKey;
import org.bukkit.OfflinePlayer;
import org.bukkit.SkullType;
import org.bukkit.block.data.BlockData;
import org.bukkit.profile.PlayerProfile;
import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * Represents a captured state of a skull block.
 */
public interface Skull extends TileState {

    /**
     * Checks to see if the skull has an owner
     *
     * @return true if the skull has an owner
     */
    public boolean hasOwner();

    /**
     * Gets the owner of the skull, if one exists
     *
     * @return the owner of the skull or null if the skull does not have an owner
     * @deprecated See {@link #getOwningPlayer()}.
     */
    @Deprecated
    @Nullable
    public String getOwner();

    /**
     * Sets the owner of the skull
     * <p>
     * Involves a potentially blocking web request to acquire the profile data for
     * the provided name.
     *
     * @param name the new owner of the skull
     * @return true if the owner was successfully set
     * @deprecated see {@link #setOwningPlayer(org.bukkit.OfflinePlayer)}.
     */
    @Deprecated
    @Contract("null -> false")
    public boolean setOwner(@Nullable String name);

    /**
     * Get the player which owns the skull. This player may appear as the
     * texture depending on skull type.
     *
     * @return owning player
     */
    @Nullable
    public OfflinePlayer getOwningPlayer();

    /**
     * Set the player which owns the skull. This player may appear as the
     * texture depending on skull type.
     *
     * @param player the owning player
     */
    public void setOwningPlayer(@NotNull OfflinePlayer player);

    /**
     * Gets the profile of the player who owns the skull. This player profile
     * may appear as the texture depending on skull type.
     *
     * @return the profile of the owning player
     */
    @Nullable
    PlayerProfile getOwnerProfile();

    /**
     * Sets the profile of the player who owns the skull. This player profile
     * may appear as the texture depending on skull type.
     * <p>
     * The profile must contain both a unique id and a skin texture. If either
     * of these is missing, the profile must contain a name by which the server
     * will then attempt to look up the unique id and skin texture.
     *
     * @param profile the profile of the owning player
     * @throws IllegalArgumentException if the profile does not contain the
     * necessary information
     */
    void setOwnerProfile(@Nullable PlayerProfile profile);

    /**
     * Gets the sound to play if the skull is placed on a note block.
     * <br>
     * <strong>Note:</strong> This only works for player heads. For other heads,
     * see {@link org.bukkit.Instrument}.
     *
     * @return the key of the sound, or null
     */
    @Nullable
    public NamespacedKey getNoteBlockSound();

    /**
     * Sets the sound to play if the skull is placed on a note block.
     * <br>
     * <strong>Note:</strong> This only works for player heads. For other heads,
     * see {@link org.bukkit.Instrument}.
     *
     * @param noteBlockSound the key of the sound to be played, or null
     */
    public void setNoteBlockSound(@Nullable NamespacedKey noteBlockSound);

    /**
     * Gets the rotation of the skull in the world (or facing direction if this
     * is a wall mounted skull).
     *
     * @return the rotation of the skull
     * @deprecated use {@link BlockData}
     */
    @Deprecated
    @NotNull
    public BlockFace getRotation();

    /**
     * Sets the rotation of the skull in the world (or facing direction if this
     * is a wall mounted skull).
     *
     * @param rotation the rotation of the skull
     * @deprecated use {@link BlockData}
     */
    @Deprecated
    public void setRotation(@NotNull BlockFace rotation);

    /**
     * Gets the type of skull
     *
     * @return the type of skull
     * @deprecated check {@link Material} instead
     */
    @Deprecated
    @NotNull
    public SkullType getSkullType();

    /**
     * Sets the type of skull
     *
     * @param skullType the type of skull
     * @deprecated check {@link Material} instead
     */
    @Deprecated
    @Contract("_ -> fail")
    public void setSkullType(SkullType skullType);
}