org.bukkit.permissions.PermissibleBase#clearPermissions ( )源码实例Demo

/**
 * Injects a {@link LuckPermsPermissible} into a {@link Player}.
 *
 * @param player the player to inject into
 * @param newPermissible the permissible to inject
 * @throws Exception propagates any exceptions which were thrown during injection
 */
public static void inject(Player player, LuckPermsPermissible newPermissible) throws Exception {

    // get the existing PermissibleBase held by the player
    PermissibleBase oldPermissible = (PermissibleBase) HUMAN_ENTITY_PERMISSIBLE_FIELD.get(player);

    // seems we have already injected into this player.
    if (oldPermissible instanceof LuckPermsPermissible) {
        throw new IllegalStateException("LPPermissible already injected into player " + player.toString());
    }

    // Move attachments over from the old permissible

    //noinspection unchecked
    List<PermissionAttachment> attachments = (List<PermissionAttachment>) PERMISSIBLE_BASE_ATTACHMENTS_FIELD.get(oldPermissible);

    newPermissible.convertAndAddAttachments(attachments);
    attachments.clear();
    oldPermissible.clearPermissions();

    // Setup the new permissible
    newPermissible.getActive().set(true);
    newPermissible.setOldPermissible(oldPermissible);

    // inject the new instance
    HUMAN_ENTITY_PERMISSIBLE_FIELD.set(player, newPermissible);
}
 

@Override
public synchronized void clearPermissions()
{
    if (oldPermissible instanceof PermissibleBase)
    {
        PermissibleBase base = (PermissibleBase) oldPermissible;
        base.clearPermissions();
    }
}