import net.canarymod.hook.player.ConnectionHook; //导入依赖的package包/类
@HookHandler
public void onConnection(final ConnectionHook hook)
        throws DatabaseReadException, DatabaseWriteException {
    final Player player = hook.getPlayer();
    final World world = player.getWorld();
    final Location toLoc = player.getLocation();

    new WorldEnterHook(player, world, null, toLoc).call();

    if (hook.isFirstConnection()) {
        if (config.exactSpawn()) {
            player.teleportTo(Canary.getServer().getDefaultWorld().getSpawnLocation());
        }
    }

    connectingPlayers.add(player.getUUIDString());
}
 

import net.canarymod.hook.player.ConnectionHook; //导入依赖的package包/类
@HookHandler(priority=Priority.PASSIVE, ignoreCanceled=true)
public void onPlayerJoin(ConnectionHook evt) {
    final DynmapPlayer dp = new BukkitPlayer(evt.getPlayer());
    // Give other handlers a change to prep player (nicknames and such from Essentials)
    server.scheduleServerTask(new Runnable() {
        @Override
        public void run() {
            core.listenerManager.processPlayerEvent(EventType.PLAYER_JOIN, dp);
        }
    }, 2);
}
 

import net.canarymod.hook.player.ConnectionHook; //导入依赖的package包/类
@HookHandler(priority = Priority.CRITICAL)
public void onPlayerJoin(final ConnectionHook hook) {
    server.getPluginManager().callEvent(new PlayerJoinEvent(new CanaryPlayer(hook.getPlayer()), hook.getMessage()) {
        @Override
        public void setJoinMessage(String joinMessage) {
            super.setJoinMessage(joinMessage);
            hook.setMessage(joinMessage);
        }
    });
}
 

import net.canarymod.hook.player.ConnectionHook; //导入依赖的package包/类
/**
 * Checks connecting users againts their pair latch account and bans those
 * who are latched out.
 *
 * @param hook    A CanaryMod hook launched every time a player connects 
 *                to the server. It allows access to player's info.
 */
@HookHandler
public void onConnection(ConnectionHook hook) {
    Player player = hook.getPlayer();
    latch.updateStatus(player);
    if (latch.isLatchOut(player)) {
        String name = player.getName();
        plugin.getLogman().info(name + " banned by CanaryLatch.");
        latch.latchBan(player);
    }
    // set a message for ban user
}
 

import net.canarymod.hook.player.ConnectionHook; //导入依赖的package包/类
@Redirect(method = "initializeConnectionToPlayer",
        at = @At(value = "INVOKE", target = "Lnet/minecraft/server/management/ServerConfigurationManager;"
                + "sendChatMsg(Lnet/minecraft/util/IChatComponent;)V"))
public void fireConnectionHook(ServerConfigurationManager manager, IChatComponent component, NetworkManager netManager, EntityPlayerMP playerIn) {
    ConnectionHook hook = (ConnectionHook)
            new ConnectionHook(
                    (Player) playerIn, component.getUnformattedTextForChat(), false // TODO: check first time
            ).call();
    if (!hook.isHidden()) {
        manager.sendChatMsg(component);
    }
}
 

import net.canarymod.hook.player.ConnectionHook; //导入依赖的package包/类
@HookHandler
public void onPlayerJoin(ConnectionHook hook) {
    plugin.getCore().listenerManager.processPlayerEvent(EventType.PLAYER_JOIN, new CanaryPlayer(hook.getPlayer()));
}