feat: 更新类库 代码优化 添加世界限制

Signed-off-by: 502647092 <admin@yumc.pw>

pom.xml

@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.maxgamer</groupId>
 	<artifactId>QuickShop</artifactId>
-	<version>1.9.5</version>
+	<version>2.0</version>
 	<description>快捷商店重置版本...</description>
 	<build>
 		<finalName>${project.name}</finalName>
@@ -71,6 +71,10 @@
 			<id>yumc-repo</id>
 			<url>http://repo.yumc.pw/content/groups/public/</url>
 		</repository>
+		<repository>
+			<id>dmulloy</id>
+			<url>http://repo.dmulloy2.net/content/groups/public/</url>
+		</repository>
 	</repositories>
 	<distributionManagement>
 		<repository>
@@ -80,23 +84,11 @@
 		</repository>
 	</distributionManagement>
 	<dependencies>
-		<dependency>
-			<groupId>org.spigotmc</groupId>
-			<artifactId>spigot-api</artifactId>
-			<type>jar</type>
-			<version>1.10.2-R0.1-SNAPSHOT</version>
-		</dependency>
-		<dependency>
-			<groupId>net.milkbowl.vault</groupId>
-			<artifactId>Vault</artifactId>
-			<type>jar</type>
-			<version>1.5.6</version>
-		</dependency>
 		<dependency>
 			<groupId>pw.yumc</groupId>
 			<artifactId>YumCore</artifactId>
 			<type>jar</type>
-			<version>1.1</version>
+			<version>1.5</version>
 		</dependency>
 		<dependency>
 			<groupId>io.github.Cnly.WowSuchCleaner</groupId>
@@ -110,12 +102,5 @@
 			<scope>system</scope>
 			<systemPath>${project.basedir}/lib/WorldEdit.jar</systemPath>
 		</dependency>
-		<dependency>
-			<groupId>com.comphenix.protocol</groupId>
-			<artifactId>ProtocolLib</artifactId>
-			<version>4.1</version>
-			<scope>system</scope>
-			<systemPath>${project.basedir}/lib/ProtocolLib-4.1.jar</systemPath>
-		</dependency>
 	</dependencies>
 </project>

src/main/java/org/maxgamer/QuickShop/Command/QuickShopCommands.java

@@ -1,5 +1,9 @@
 package org.maxgamer.QuickShop.Command;
 
+import java.io.File;
+import java.util.HashMap;
+import java.util.Iterator;
+
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Chunk;
@@ -10,37 +14,33 @@ import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.entity.Player;
 import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
 import org.bukkit.util.BlockIterator;
+import org.maxgamer.QuickShop.QuickShop;
 import org.maxgamer.QuickShop.Database.Database;
 import org.maxgamer.QuickShop.Database.MySQLCore;
 import org.maxgamer.QuickShop.Database.SQLiteCore;
-import org.maxgamer.QuickShop.QuickShop;
 import org.maxgamer.QuickShop.Shop.ContainerShop;
 import org.maxgamer.QuickShop.Shop.Shop;
 import org.maxgamer.QuickShop.Shop.ShopChunk;
 import org.maxgamer.QuickShop.Shop.ShopType;
 import org.maxgamer.QuickShop.Util.MsgUtil;
+
 import pw.yumc.YumCore.bukkit.P;
-import pw.yumc.YumCore.commands.CommandManager;
+import pw.yumc.YumCore.commands.CommandSub;
 import pw.yumc.YumCore.commands.annotation.Cmd;
-import pw.yumc.YumCore.commands.annotation.Cmd.Executor;
 import pw.yumc.YumCore.commands.annotation.Help;
 import pw.yumc.YumCore.commands.annotation.Sort;
-import pw.yumc.YumCore.commands.interfaces.CommandExecutor;
+import pw.yumc.YumCore.commands.interfaces.Executor;
-import pw.yumc.YumCore.commands.interfaces.CommandHelpParse;
+import pw.yumc.YumCore.commands.interfaces.HelpParse;
 
-import java.io.File;
+public class QuickShopCommands implements Executor, HelpParse {
-import java.util.HashMap;
-import java.util.Iterator;
-
-public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
     QuickShop plugin = P.getPlugin();
 
     public QuickShopCommands() {
-        new CommandManager("qs", this).setHelpParse(this);
+        new CommandSub("qs", this).setHelpParse(this);
     }
 
     @Sort(1)
-    @Cmd(aliases = "b", permission = "quickshop.create.buy", executor = Executor.PLAYER)
+    @Cmd(aliases = "b", permission = "quickshop.create.buy", executor = Cmd.Executor.PLAYER)
     @Help("command.description.buy")
     public void buy(Player player) {
         changeShopType(player, ShopType.BUYING);
@@ -73,7 +73,7 @@ public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
     }
 
     @Sort(5)
-    @Cmd(aliases = "e", permission = "quickshop.empty", executor = Executor.PLAYER)
+    @Cmd(aliases = "e", permission = "quickshop.empty", executor = Cmd.Executor.PLAYER)
     @Help("command.description.empty")
     public void empty(Player player) {
         final BlockIterator bIt = new BlockIterator(player, 10);
@@ -141,7 +141,7 @@ public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
         }
     }
 
-    @Cmd(aliases = "f", minimumArguments = 1, permission = "quickshop.find", executor = Executor.PLAYER)
+    @Cmd(aliases = "f", minimumArguments = 1, permission = "quickshop.find", executor = Cmd.Executor.PLAYER)
     @Help("command.description.find")
     public void find(Player p, String lookFor) {
         lookFor = lookFor.toLowerCase();
@@ -218,7 +218,7 @@ public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
     }
 
     @Sort(4)
-    @Cmd(aliases = "p", minimumArguments = 1, permission = "quickshop.create.changeprice", executor = Executor.PLAYER)
+    @Cmd(aliases = "p", minimumArguments = 1, permission = "quickshop.create.changeprice", executor = Cmd.Executor.PLAYER)
     @Help(value = "command.description.price", possibleArguments = "<价格>")
     public void price(Player sender, Double price) {
         if (price < 0.01) {
@@ -281,7 +281,7 @@ public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
     }
 
     @Sort(6)
-    @Cmd(minimumArguments = 1, permission = "quickshop.refill", executor = Executor.PLAYER)
+    @Cmd(minimumArguments = 1, permission = "quickshop.refill", executor = Cmd.Executor.PLAYER)
     @Help(value = "command.description.refill", possibleArguments = "<数量>")
     public void refill(Player sender, Integer add) {
         final BlockIterator bIt = new BlockIterator(sender, 10);
@@ -307,7 +307,7 @@ public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
     }
 
     @Sort(6)
-    @Cmd(aliases = "r", permission = "quickshop.delete", executor = Executor.PLAYER)
+    @Cmd(aliases = "r", permission = "quickshop.delete", executor = Cmd.Executor.PLAYER)
     @Help("command.description.remove")
     public void remove(Player p) {
         final BlockIterator bIt = new BlockIterator(p, 10);
@@ -328,14 +328,14 @@ public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
     }
 
     @Sort(2)
-    @Cmd(aliases = "s", permission = "quickshop.create.sell", executor = Executor.PLAYER)
+    @Cmd(aliases = "s", permission = "quickshop.create.sell", executor = Cmd.Executor.PLAYER)
     @Help("command.description.sell")
     public void sell(Player player) {
         changeShopType(player, ShopType.SELLING);
     }
 
     @Sort(3)
-    @Cmd(aliases = "so", minimumArguments = 1, permission = "quickshop.setowner", executor = Executor.PLAYER)
+    @Cmd(aliases = "so", minimumArguments = 1, permission = "quickshop.setowner", executor = Cmd.Executor.PLAYER)
     @Help("command.description.setowner")
     public void setowner(CommandSender sender, String owner) {
         final BlockIterator bIt = new BlockIterator((Player) sender, 10);
@@ -353,7 +353,7 @@ public class QuickShopCommands implements CommandExecutor, CommandHelpParse {
     }
 
     @Sort(0)
-    @Cmd(permission = "quickshop.unlimited", executor = Executor.PLAYER)
+    @Cmd(permission = "quickshop.unlimited", executor = Cmd.Executor.PLAYER)
     @Help("command.description.unlimited")
     public void unlimited(Player sender) {
         final BlockIterator bIt = new BlockIterator(sender, 10);

src/main/java/org/maxgamer/QuickShop/Config/ConfigManager.java

@@ -1,17 +1,18 @@
 package org.maxgamer.QuickShop.Config;
 
+import java.util.*;
+
 import org.bukkit.Material;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.inventory.ItemStack;
 import org.maxgamer.QuickShop.QuickShop;
 import org.maxgamer.QuickShop.Shop.Item.FakeItem_17_18;
 import org.maxgamer.QuickShop.Shop.Item.FakeItem_19_110;
+
 import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.config.FileConfig;
 import pw.yumc.YumCore.tellraw.Tellraw;
 
-import java.util.*;
-
 public class ConfigManager {
     private boolean enableMagicLib = false;
     /** Whether debug info should be shown in the console */
@@ -91,7 +92,7 @@ public class ConfigManager {
                 plugin.getLogger().info("虚拟悬浮物功能测试正常(1.8-1.10.2)...");
                 fakeItem = true;
             } catch (final Throwable e) {
-                Log.debug(e);
+                Log.d(e);
                 try {
                     FakeItem_17_18.register(plugin);
                     plugin.getLogger().info("虚拟悬浮物功能测试正常(1.7)...");
@@ -100,7 +101,7 @@ public class ConfigManager {
                     plugin.getLogger().warning("+=========================================");
                     plugin.getLogger().warning("| 警告: 启动虚拟物品失败 使用原版悬浮物品...");
                     plugin.getLogger().warning("+=========================================");
-                    Log.debug(e2);
+                    Log.d(e2);
                 }
             }
         }

src/main/java/org/maxgamer/QuickShop/Database/Database.java

@@ -112,8 +112,7 @@ public class Database {
             PreparedStatement ps = this.getConnection().prepareStatement(query);
             ResultSet rs = ps.executeQuery();
             while (rs.next()) {
-                rs.getString(column); // Throws an exception if it can't find
+                rs.getString(column); // Throws an exception if it can't find that column
-                                      // that column
                 return true;
             }
         } catch (SQLException e) {
@@ -149,7 +148,7 @@ public class Database {
      */
     public void copyTo(Database db) throws SQLException {
         ResultSet rs = getConnection().getMetaData().getTables(null, null, "%", null);
-        List<String> tables = new LinkedList<String>();
+        List<String> tables = new LinkedList<>();
         while (rs.next()) {
             tables.add(rs.getString("TABLE_NAME"));
         }

src/main/java/org/maxgamer/QuickShop/Database/DatabaseCore.java

@@ -3,11 +3,11 @@ package org.maxgamer.QuickShop.Database;
 import java.sql.Connection;
 
 public interface DatabaseCore {
-    public Connection getConnection();
+    Connection getConnection();
 
-    public void queue(BufferStatement bs);
+    void queue(BufferStatement bs);
 
-    public void flush();
+    void flush();
 
-    public void close();
+    void close();
 }

src/main/java/org/maxgamer/QuickShop/Database/DatabaseHelper.java

@@ -19,20 +19,20 @@ public class DatabaseHelper {
      * Verifies that all required columns exist.
      */
     public static void checkColumns(Database db) {
-        PreparedStatement ps = null;
+        PreparedStatement ps;
         try {
             // V3.4.2
             ps = db.getConnection().prepareStatement("ALTER TABLE shops MODIFY COLUMN price double(32,2) NOT NULL AFTER owner");
             ps.execute();
             ps.close();
-        } catch (SQLException e) {
+        } catch (SQLException ignored) {
         }
         try {
             // V3.4.3
             ps = db.getConnection().prepareStatement("ALTER TABLE messages MODIFY COLUMN time BIGINT(32) NOT NULL AFTER message");
             ps.execute();
             ps.close();
-        } catch (SQLException e) {
+        } catch (SQLException ignored) {
         }
     }
 

src/main/java/org/maxgamer/QuickShop/Database/MySQLCore.java

@@ -12,7 +12,7 @@ public class MySQLCore implements DatabaseCore {
     /** The connection properties... user, pass, autoReconnect.. */
     private Properties info;
     private static final int MAX_CONNECTIONS = 8;
-    private static ArrayList<Connection> pool = new ArrayList<Connection>();
+    private static ArrayList<Connection> pool = new ArrayList<>();
 
     public MySQLCore(String host, String user, String pass, String database, String port) {
         info = new Properties();
@@ -59,7 +59,7 @@ public class MySQLCore implements DatabaseCore {
             while (con == null) {
                 try {
                     Thread.sleep(15);
-                } catch (InterruptedException e) {
+                } catch (InterruptedException ignored) {
                 }
                 // Try again
                 this.getConnection();
@@ -69,7 +69,6 @@ public class MySQLCore implements DatabaseCore {
             ps.close();
         } catch (SQLException e) {
             e.printStackTrace();
-            return;
         }
     }
 

src/main/java/org/maxgamer/QuickShop/Database/SQLiteCore.java

@@ -12,7 +12,7 @@ public class SQLiteCore implements DatabaseCore {
     private Connection connection;
     private final File dbFile;
     private volatile Thread watcher;
-    private volatile LinkedList<BufferStatement> queue = new LinkedList<BufferStatement>();
+    private final LinkedList<BufferStatement> queue = new LinkedList<BufferStatement>();
 
     public SQLiteCore(final File dbFile) {
         this.dbFile = dbFile;
@@ -25,7 +25,7 @@ public class SQLiteCore implements DatabaseCore {
 
     @Override
     public void flush() {
-        while (queue.isEmpty() == false) {
+        while (!queue.isEmpty()) {
             BufferStatement bs;
             synchronized (queue) {
                 bs = queue.removeFirst();
@@ -51,9 +51,7 @@ public class SQLiteCore implements DatabaseCore {
     public Connection getConnection() {
         try {
             // If we have a current connection, fetch it
-            if (this.connection != null && !this.connection.isClosed()) {
+            if (this.connection != null && !this.connection.isClosed()) { return this.connection; }
-                return this.connection;
-            }
         } catch (final SQLException e) {
             e.printStackTrace();
         }
@@ -63,10 +61,7 @@ public class SQLiteCore implements DatabaseCore {
                 Class.forName("org.sqlite.JDBC");
                 this.connection = DriverManager.getConnection("jdbc:sqlite:" + this.dbFile);
                 return this.connection;
-            } catch (final ClassNotFoundException e) {
+            } catch (final ClassNotFoundException | SQLException e) {
-                e.printStackTrace();
-                return null;
-            } catch (final SQLException e) {
                 e.printStackTrace();
                 return null;
             }
@@ -100,7 +95,7 @@ public class SQLiteCore implements DatabaseCore {
             public void run() {
                 try {
                     Thread.sleep(30000);
-                } catch (final InterruptedException e) {
+                } catch (final InterruptedException ignored) {
                 }
                 flush();
             }

src/main/java/org/maxgamer/QuickShop/Economy/Economy_Vault.java

@@ -36,7 +36,7 @@ public class Economy_Vault implements EconomyCore {
     public String format(final double balance) {
         try {
             return this.vault.format(balance);
-        } catch (final NumberFormatException e) {
+        } catch (final NumberFormatException ignored) {
         }
         return "" + balance;
     }
@@ -109,7 +109,7 @@ public class Economy_Vault implements EconomyCore {
             if (economyProvider != null) {
                 vault = (economyProvider.getProvider());
             }
-        } catch (final Exception e) {
+        } catch (final Exception ignored) {
         }
         return vault != null;
     }

src/main/java/org/maxgamer/QuickShop/QuickShop.java

@@ -1,20 +1,12 @@
 package org.maxgamer.QuickShop;
 
 import java.io.File;
-import java.sql.Connection;
+import java.sql.*;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Timestamp;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.Map.Entry;
 
-import org.bukkit.Bukkit;
+import org.bukkit.*;
-import org.bukkit.ChatColor;
-import org.bukkit.Location;
-import org.bukkit.Material;
-import org.bukkit.World;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.entity.Player;
@@ -26,22 +18,11 @@ import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.scheduler.BukkitTask;
 import org.maxgamer.QuickShop.Command.QuickShopCommands;
 import org.maxgamer.QuickShop.Config.ConfigManager;
-import org.maxgamer.QuickShop.Database.Database;
+import org.maxgamer.QuickShop.Database.*;
-import org.maxgamer.QuickShop.Database.DatabaseCore;
-import org.maxgamer.QuickShop.Database.DatabaseHelper;
-import org.maxgamer.QuickShop.Database.MySQLCore;
-import org.maxgamer.QuickShop.Database.SQLiteCore;
 import org.maxgamer.QuickShop.Economy.Economy;
 import org.maxgamer.QuickShop.Economy.EconomyCore;
 import org.maxgamer.QuickShop.Economy.Economy_Vault;
-import org.maxgamer.QuickShop.Listeners.BlockListener;
+import org.maxgamer.QuickShop.Listeners.*;
-import org.maxgamer.QuickShop.Listeners.ChatListener;
-import org.maxgamer.QuickShop.Listeners.ChunkListener;
-import org.maxgamer.QuickShop.Listeners.LockListener;
-import org.maxgamer.QuickShop.Listeners.PlayerListener;
-import org.maxgamer.QuickShop.Listeners.ProtectListener;
-import org.maxgamer.QuickShop.Listeners.WorldListener;
-import org.maxgamer.QuickShop.Listeners.WowSuchCleanerListener;
 import org.maxgamer.QuickShop.Shop.ContainerShop;
 import org.maxgamer.QuickShop.Shop.Shop;
 import org.maxgamer.QuickShop.Shop.ShopManager;
@@ -177,7 +158,7 @@ public class QuickShop extends JavaPlugin {
                     final double price = rs.getDouble("price");
                     final Location loc = new Location(world, x, y, z);
                     /* Skip invalid shops, if we know of any */
-                    if (world != null && loc.getChunk().isLoaded() && (loc.getBlock().getState() instanceof InventoryHolder) == false) {
+                    if (world != null && loc.getChunk().isLoaded() && !(loc.getBlock().getState() instanceof InventoryHolder)) {
                         getLogger().info("商店不是一个可存储的方块 坐标 " + rs.getString("world") + ", " + x + ", " + y + ", " + z + ". 删除...");
                         database.execute("DELETE FROM shops WHERE x = ? AND y = ? and z = ? and world = ?", x, y, z, worldName);
                         continue;
@@ -248,7 +229,7 @@ public class QuickShop extends JavaPlugin {
             database.close();
             try {
                 database.getConnection().close();
-            } catch (final SQLException e) {
+            } catch (final SQLException ignored) {
             }
         }
         if (configManager != null) {
@@ -258,7 +239,7 @@ public class QuickShop extends JavaPlugin {
 
     @Override
     public void onEnable() {
-        if (loadEcon() == false) {
+        if (!loadEcon()) {
             return;
         }
         configManager = new ConfigManager(this);

src/main/java/org/maxgamer/QuickShop/Shop/ContainerShop.java

@@ -79,9 +79,7 @@ public class ContainerShop implements Shop {
      */
     @Override
     public void add(final ItemStack item, final int amount) {
-        if (this.unlimited) {
+        if (this.unlimited) { return; }
-            return;
-        }
         final Inventory inv = this.getInventory();
         int remains = amount;
         while (remains > 0) {
@@ -98,8 +96,6 @@ public class ContainerShop implements Shop {
      *
      * @param p
      *            The player to buy from
-     * @param item
-     *            The itemStack to buy
      * @param amount
      *            The amount to buy
      */
@@ -217,13 +213,9 @@ public class ContainerShop implements Shop {
      *         null if this shop is not attached to another.
      */
     public ContainerShop getAttachedShop() {
-        if (this.getLocation() != null) {
+        if (this.getLocation() != null) { return null; }
-            return null;
-        }
         final Block c = Util.getSecondHalf(this.getLocation().getBlock());
-        if (c == null) {
+        if (c == null) { return null; }
-            return null;
-        }
         final Shop shop = plugin.getShopManager().getShop(c.getLocation());
         return shop == null ? null : (ContainerShop) shop;
     }
@@ -316,15 +308,11 @@ public class ContainerShop implements Shop {
 
     /**
      * Returns the number of free spots in the chest for the particular item.
-     *
-     * @param stackSize
      * @return
      */
     @Override
     public int getRemainingSpace() {
-        if (this.unlimited) {
+        if (this.unlimited) { return 10000; }
-            return 10000;
-        }
         return Util.countSpace(this.getInventory(), item);
     }
 
@@ -335,9 +323,7 @@ public class ContainerShop implements Shop {
      */
     @Override
     public int getRemainingStock() {
-        if (this.unlimited) {
+        if (this.unlimited) { return 10000; }
-            return 10000;
-        }
         return Util.countItems(this.getInventory(), this.getItem());
     }
 
@@ -356,9 +342,7 @@ public class ContainerShop implements Shop {
     @Override
     public List<Sign> getSigns() {
         final ArrayList<Sign> signs = new ArrayList<>(1);
-        if (this.getLocation().getWorld() == null) {
+        if (this.getLocation().getWorld() == null) { return signs; }
-            return signs;
-        }
         final Block[] blocks = new Block[4];
         blocks[0] = loc.getBlock().getRelative(1, 0, 0);
         blocks[1] = loc.getBlock().getRelative(-1, 0, 0);
@@ -412,9 +396,7 @@ public class ContainerShop implements Shop {
      */
     public boolean isDoubleShop() {
         final ContainerShop nextTo = this.getAttachedShop();
-        if (nextTo == null) {
+        if (nextTo == null) { return false; }
-            return false;
-        }
         if (nextTo.matches(this.getItem())) {
             // They're both trading the same item
             if (this.getShopType() == nextTo.getShopType()) {
@@ -485,9 +467,7 @@ public class ContainerShop implements Shop {
      */
     @Override
     public void remove(final ItemStack item, final int amount) {
-        if (this.unlimited) {
+        if (this.unlimited) { return; }
-            return;
-        }
         final Inventory inv = this.getInventory();
         int remains = amount;
         while (remains > 0) {
@@ -548,8 +528,8 @@ public class ContainerShop implements Shop {
             // We now have to update the chests inventory manually.
             this.getInventory().setContents(chestContents);
         }
-        for (int i = 0; i < floor.size(); i++) {
+        for (ItemStack aFloor : floor) {
-            p.getWorld().dropItem(p.getLocation(), floor.get(i));
+            p.getWorld().dropItem(p.getLocation(), aFloor);
         }
     }
 
@@ -594,9 +574,7 @@ public class ContainerShop implements Shop {
      */
     @Override
     public void setSignText() {
-        if (Util.isLoaded(this.getLocation()) == false) {
+        if (!Util.isLoaded(this.getLocation())) { return; }
-            return;
-        }
         final ContainerShop shop = this;
         // 1.9不能异步修改木牌
         Bukkit.getScheduler().runTask(plugin, new Runnable() {
@@ -627,9 +605,7 @@ public class ContainerShop implements Shop {
      */
     @Override
     public void setSignText(final String[] lines) {
-        if (Util.isLoaded(this.getLocation()) == false) {
+        if (!Util.isLoaded(this.getLocation())) { return; }
-            return;
-        }
         final List<Sign> signs = this.getSigns();
         // 1.9不能异步修改木牌
         Bukkit.getScheduler().runTask(plugin, new Runnable() {
@@ -652,21 +628,14 @@ public class ContainerShop implements Shop {
 
     @Override
     public String toString() {
-        final StringBuilder sb = new StringBuilder("商店 "
+        final StringBuilder sb = new StringBuilder("商店 " + (loc.getWorld() == null ? "世界尚未载入" : "坐标: " + loc.getWorld().getName()) + "(" + loc.getBlockX() + ", " + loc.getBlockY() + ", "
-                + (loc.getWorld() == null ? "世界尚未载入" : "坐标: " + loc.getWorld().getName())
+                + loc.getBlockZ() + ")");
-                + "("
+        sb.append(" 所有者: ").append(getOwner());
-                + loc.getBlockX()
-                + ", "
-                + loc.getBlockY()
-                + ", "
-                + loc.getBlockZ()
-                + ")");
-        sb.append(" 所有者: " + getOwner());
         if (isUnlimited()) {
             sb.append(" 无限模式: true");
         }
-        sb.append(" 价格: " + getPrice());
+        sb.append(" 价格: ").append(getPrice());
-        sb.append(" 物品: " + getItem().toString());
+        sb.append(" 物品: ").append(getItem().toString());
         return sb.toString();
     }
 
@@ -691,11 +660,8 @@ public class ContainerShop implements Shop {
     }
 
     private void checkDisplay() {
-        if (plugin.getConfigManager().isDisplay() == false) {
+        if (!plugin.getConfigManager().isDisplay()) { return; }
-            return;
+        if (getLocation().getWorld() == null) { return; // not loaded
-        }
-        if (getLocation().getWorld() == null) {
-            return; // not loaded
         }
         final boolean trans = Util.isTransparent(getLocation().clone().add(0.5, 1.2, 0.5).getBlock().getType());
         if (trans && this.getDisplayItem() == null) {
@@ -709,14 +675,11 @@ public class ContainerShop implements Shop {
                 this.displayItem = null;
                 return;
             }
-            if (this.getLocation().getWorld() == null) {
+            if (this.getLocation().getWorld() == null) { return;// Ignore if world not loaded...
-                return;// Ignore if world not loaded...
             }
             final DisplayItem disItem = this.getDisplayItem();
             final Location dispLoc = disItem.getDisplayLocation();
-            if (dispLoc.getWorld() == null) {
+            if (dispLoc.getWorld() == null) { return; }
-                return;
-            }
             if (dispLoc.getBlock() != null && dispLoc.getBlock().getType() == Material.WATER) { // Flowing
                 // water.Stationery water does not move items.
                 disItem.remove();

src/main/java/org/maxgamer/QuickShop/Shop/Item/DisplayItem.java

@@ -21,11 +21,11 @@ public abstract class DisplayItem {
                 try {
                     return new FakeItem_19_110(shop, shop.getItem());
                 } catch (final Throwable e) {
-                    Log.debug(e);
+                    Log.d(e);
                     try {
                         return new FakeItem_17_18(shop, shop.getItem());
                     } catch (final Throwable e2) {
-                        Log.debug(e2);
+                        Log.d(e2);
                     }
                 }
             }

src/main/java/org/maxgamer/QuickShop/Shop/Item/FakeItem.java

@@ -1,10 +1,7 @@
 package org.maxgamer.QuickShop.Shop.Item;
 
-import java.util.ArrayList;
+import java.lang.reflect.InvocationTargetException;
-import java.util.HashMap;
+import java.util.*;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
 
 import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
@@ -76,14 +73,8 @@ public abstract class FakeItem extends DisplayItem {
                     final int chunkX = packet.getIntegers().read(0);
                     final int chunkZ = packet.getIntegers().read(1);
                     final List<FakeItem> fakesInChunk = fakes.get(getChunkIdentifyString(p.getWorld().getChunkAt(chunkX, chunkZ)));
-                    if (fakesInChunk != null) {
+                    sendChunkPacket(p, fakesInChunk);
-                        for (final FakeItem fake : fakesInChunk) {
+                } catch (final Exception ignored) {
-                            ProtocolLibrary.getProtocolManager().sendServerPacket(p, fake.getSpawnPacket());
-                            ProtocolLibrary.getProtocolManager().sendServerPacket(p, fake.getVelocityPacket());
-                            ProtocolLibrary.getProtocolManager().sendServerPacket(p, fake.getMetadataPacket());
-                        }
-                    }
-                } catch (final Exception e) {
                 }
             }
         };
@@ -97,6 +88,18 @@ public abstract class FakeItem extends DisplayItem {
                     final int[] chunksZ = packet.getIntegerArrays().read(1);
                     for (int i = 0; i < chunksX.length; i++) {
                         final List<FakeItem> fakesInChunk = fakes.get(getChunkIdentifyString(p.getWorld().getChunkAt(chunksX[i], chunksZ[i])));
+                        sendChunkPacket(p, fakesInChunk);
+                    }
+                } catch (final Exception ignored) {
+                }
+            }
+        };
+        ProtocolLibrary.getProtocolManager().addPacketListener(chunkPacketListener);
+        ProtocolLibrary.getProtocolManager().addPacketListener(chunkBulkPacketListener);
+        registered = true;
+    }
+
+    private static void sendChunkPacket(Player p, List<FakeItem> fakesInChunk) throws InvocationTargetException {
         if (fakesInChunk != null) {
             for (final FakeItem fake : fakesInChunk) {
                 ProtocolLibrary.getProtocolManager().sendServerPacket(p, fake.getSpawnPacket());
@@ -106,14 +109,6 @@ public abstract class FakeItem extends DisplayItem {
 
         }
     }
-                } catch (final Exception e) {
-                }
-            }
-        };
-        ProtocolLibrary.getProtocolManager().addPacketListener(chunkPacketListener);
-        ProtocolLibrary.getProtocolManager().addPacketListener(chunkBulkPacketListener);
-        registered = true;
-    }
 
     private static String getChunkIdentifyString(final Chunk chunk) {
         return chunk.getWorld().getName() + "@@" + chunk.getX() + "@@" + chunk.getZ();

src/main/java/org/maxgamer/QuickShop/Shop/Item/NormalItem.java

@@ -55,9 +55,7 @@ public class NormalItem extends DisplayItem {
      */
     @Override
     public void remove() {
-        if (this.item == null) {
+        if (this.item == null) { return; }
-            return;
-        }
         this.item.remove();
     }
 
@@ -67,9 +65,7 @@ public class NormalItem extends DisplayItem {
      */
     @Override
     public boolean removeDupe() {
-        if (shop.getLocation().getWorld() == null) {
+        if (shop.getLocation().getWorld() == null) { return false; }
-            return false;
-        }
         final Location displayLoc = shop.getLocation().getBlock().getRelative(0, 1, 0).getLocation();
         boolean removed = false;
         final Chunk c = displayLoc.getChunk();
@@ -103,15 +99,13 @@ public class NormalItem extends DisplayItem {
      */
     @Override
     public void spawn() {
-        if (shop.getLocation().getWorld() == null) {
+        if (shop.getLocation().getWorld() == null) { return; }
-            return;
-        }
         final Location dispLoc = this.getDisplayLocation();
         try {
             this.item = shop.getLocation().getWorld().dropItem(dispLoc, this.iStack);
             this.item.setVelocity(new Vector(0, 0.1, 0));
             NMS.safeGuard(this.item);
-        } catch (final Exception e) {
+        } catch (final Exception ignored) {
         }
     }
 }

src/main/java/org/maxgamer/QuickShop/Shop/Shop.java

@@ -8,70 +8,70 @@ import org.bukkit.block.Sign;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
-public abstract interface Shop {
+public interface Shop {
-    public abstract void add(ItemStack paramItemStack, int paramInt);
+    void add(ItemStack paramItemStack, int paramInt);
 
-    public abstract void buy(Player paramPlayer, int paramInt);
+    void buy(Player paramPlayer, int paramInt);
 
-    public abstract Shop clone();
+    Shop clone();
 
-    public abstract void delete();
+    void delete();
 
-    public abstract void delete(boolean paramBoolean);
+    void delete(boolean paramBoolean);
 
-    public abstract String getDataName();
+    String getDataName();
 
-    public abstract short getDurability();
+    short getDurability();
 
-    public abstract ItemStack getItem();
+    ItemStack getItem();
 
-    public abstract Location getLocation();
+    Location getLocation();
 
-    public abstract String getOwner();
+    String getOwner();
 
-    public abstract double getPrice();
+    double getPrice();
 
-    public abstract int getRemainingSpace();
+    int getRemainingSpace();
 
-    public abstract int getRemainingStock();
+    int getRemainingStock();
 
-    public abstract ShopType getShopType();
+    ShopType getShopType();
 
-    public abstract List<Sign> getSigns();
+    List<Sign> getSigns();
 
-    public abstract boolean isAttached(Block paramBlock);
+    boolean isAttached(Block paramBlock);
 
-    public abstract boolean isBuying();
+    boolean isBuying();
 
-    public abstract boolean isSelling();
+    boolean isSelling();
 
-    public abstract boolean isUnlimited();
+    boolean isUnlimited();
 
-    public abstract boolean isValid();
+    boolean isValid();
 
-    public abstract boolean matches(ItemStack paramItemStack);
+    boolean matches(ItemStack paramItemStack);
 
-    public abstract void onClick();
+    void onClick();
 
-    public abstract void onLoad();
+    void onLoad();
 
-    public abstract void onUnload();
+    void onUnload();
 
-    public abstract void remove(ItemStack paramItemStack, int paramInt);
+    void remove(ItemStack paramItemStack, int paramInt);
 
-    public abstract void sell(Player paramPlayer, int paramInt);
+    void sell(Player paramPlayer, int paramInt);
 
-    public abstract void setOwner(String paramString);
+    void setOwner(String paramString);
 
-    public abstract void setPrice(double paramDouble);
+    void setPrice(double paramDouble);
 
-    public abstract void setShopType(ShopType paramShopType);
+    void setShopType(ShopType paramShopType);
 
-    public abstract void setSignText();
+    void setSignText();
 
-    public abstract void setSignText(String[] paramArrayOfString);
+    void setSignText(String[] paramArrayOfString);
 
-    public abstract void setUnlimited(boolean paramBoolean);
+    void setUnlimited(boolean paramBoolean);
 
-    public abstract void update();
+    void update();
 }

src/main/java/org/maxgamer/QuickShop/Shop/ShopAction.java

@@ -3,5 +3,5 @@ package org.maxgamer.QuickShop.Shop;
 public enum ShopAction {
     BUY(),
     CREATE(),
-    CANCELLED();
+    CANCELLED()
 }

src/main/java/org/maxgamer/QuickShop/Shop/ShopType.java

@@ -5,7 +5,7 @@ public enum ShopType {
     BUYING(1);
     private int id;
 
-    private ShopType(int id) {
+    ShopType(int id) {
         this.id = id;
     }
 

src/main/java/org/maxgamer/QuickShop/Util/MsgUtil.java

@@ -88,12 +88,8 @@ public class MsgUtil {
 
     public static String p(final String loc, final Object... args) {
         String raw = messages.getString(loc);
-        if (raw == null || raw.isEmpty()) {
+        if (raw == null || raw.isEmpty()) { return ChatColor.RED + "语言文件词条丢失: " + loc; }
-            return ChatColor.RED + "语言文件词条丢失: " + loc;
+        if (args == null) { return raw; }
-        }
-        if (args == null) {
-            return raw;
-        }
         for (int i = 0; i < args.length; i++) {
             raw = raw.replace("{" + i + "}", args[i] == null ? "null" : args[i].toString());
         }
@@ -127,7 +123,7 @@ public class MsgUtil {
                     }
                     msgs.add(message);
                     final String q = "INSERT INTO messages (owner, message, time) VALUES (?, ?, ?)";
-                    plugin.getDB().execute(q, player.toString(), message, System.currentTimeMillis());
+                    plugin.getDB().execute(q, player, message, System.currentTimeMillis());
                 } else {
                     p.getPlayer().sendMessage(message);
                 }
@@ -186,9 +182,7 @@ public class MsgUtil {
                 p.sendMessage("");
                 p.sendMessage(ChatColor.DARK_PURPLE + "+---------------------------------------------------+");
                 p.sendMessage(ChatColor.DARK_PURPLE + "| " + MsgUtil.p("menu.shop-information"));
-                p.sendMessage(ChatColor.DARK_PURPLE
+                p.sendMessage(ChatColor.DARK_PURPLE + "| " + MsgUtil.p("menu.owner",
-                        + "| "
-                        + MsgUtil.p("menu.owner",
                         Bukkit.getOfflinePlayer(shop.getOwner()).getName() == null ? (shop.isUnlimited() ? "系统商店" : "未知") : Bukkit.getOfflinePlayer(shop.getOwner()).getName()));
                 final String msg = ChatColor.DARK_PURPLE + "| " + MsgUtil.p("menu.item", shop.getDataName());
                 sendItemMessage(p, shop.getItem(), msg);