更新

新增：TranslateUUID 工具用于离线服务器的玩家名与UUID的转换
调整：部分 SQL 工具继续画大饼。

src/main/java/me/skymc/taboolib/Main.java

@@ -39,6 +39,8 @@ import me.skymc.taboolib.string.StringUtils;
 import me.skymc.taboolib.string.language2.Language2;
 import me.skymc.taboolib.support.SupportPlaceholder;
 import me.skymc.taboolib.timecycle.TimeCycleManager;
+import me.skymc.taboolib.translateuuid.TranslateUUID;
+import me.skymc.taboolib.translateuuid.TranslateUUIDCommand;
 import me.skymc.taboolib.update.UpdateTask;
 import me.skymc.tlm.TLM;
 import me.skymc.tlm.command.TLMCommands;
@@ -186,10 +188,12 @@ public class Main extends JavaPlugin implements Listener {
                     new SupportPlaceholder(getInst(), "taboolib").hook();
                 }
 
-                // 载入 SpecialItem 接口
-                SpecialItem.getInst().loadItems();
                 // 载入 TLM 接口
                 TLM.getInst();
+                // 载入 SpecialItem 接口
+                SpecialItem.getInst().loadItems();
+                // 载入 TranslateUUID 工具
+                TranslateUUID.init();
 
                 // 面子工程
                 InputStream inputStream = FileUtils.getResource("motd.txt");
@@ -236,6 +240,8 @@ public class Main extends JavaPlugin implements Listener {
         SpecialItem.getInst().unloadItems();
         // 注销 TLM 接口
         TabooLibraryModule.getInst().unloadModules();
+        // 注销 TranslateUUID 接口
+        TranslateUUID.cancel();
         // 注销连接池
         HikariHandler.closeDataSourceForce();
 
@@ -343,6 +349,7 @@ public class Main extends JavaPlugin implements Listener {
         TBaseCommand.registerCommand("taboolib", new TabooLibMainCommand());
         TBaseCommand.registerCommand("tabooliblocale", new TabooLibLocaleCommand());
         TBaseCommand.registerCommand("taboolibplugin", new TabooLibPluginMainCommand());
+        TBaseCommand.registerCommand("translateuuid", new TranslateUUIDCommand());
     }
 
     private void registerListener() {

src/main/java/me/skymc/taboolib/commands/TabooLibMainCommand.java

@@ -797,12 +797,6 @@ public class TabooLibMainCommand extends BaseMainCommand {
                 return;
             }
 
-            File file = new File("plugins/update");
-            if (!file.exists()) {
-                TLocale.sendTo(sender, "COMMANDS.TABOOLIB.UPDATEPLUGIN.UPDATE-NOT-SUPPORT");
-                return;
-            }
-
             File pluginFile = PluginUtils.getPluginFile(Main.getInst());
             if (pluginFile == null) {
                 TLocale.sendTo(sender, "COMMANDS.TABOOLIB.UPDATEPLUGIN.FILE-NOT-FOUND");
@@ -815,8 +809,15 @@ public class TabooLibMainCommand extends BaseMainCommand {
                 public void run() {
                     String url = Strings.replaceWithOrder("https://github.com/Bkm016/TabooLib/releases/download/{0}/TabooLib-{0}.jar", UpdateTask.getNewVersion());
                     TLocale.sendTo(sender, "COMMANDS.TABOOLIB.UPDATEPLUGIN.UPDATE-START", url);
-                    FileUtils.download(url, new File(file, pluginFile.getName()));
+
-                    TLocale.sendTo(sender, "COMMANDS.TABOOLIB.UPDATEPLUGIN.UPDATE-SUCCESS");
+                    File file = new File("plugins/update");
+                    if (file.exists()) {
+                        FileUtils.download(url, new File(file, pluginFile.getName()));
+                        TLocale.sendTo(sender, "COMMANDS.TABOOLIB.UPDATEPLUGIN.UPDATE-SUCCESS");
+                    } else {
+                        FileUtils.download(url, pluginFile);
+                        Bukkit.shutdown();
+                    }
                 }
             }.runTaskAsynchronously(Main.getInst());
         }

src/main/java/me/skymc/taboolib/csvutils/CsvReader.java

@@ -500,7 +500,7 @@ public class CsvReader {
                                 ++dataBuffer2.Position;
                                 if (this.userSettings.SafetySwitch && this.dataBuffer.Position - this.dataBuffer.ColumnStart + this.columnBuffer.Position > 100000) {
                                     this.close();
-                                    throw new IOException("Maximum column length of 100,000 exceeded in column " + NumberFormat.getIntegerInstance().format(this.columnsCount) + " in record " + NumberFormat.getIntegerInstance().format(this.currentRecord) + ". Set the SafetySwitch property to false" + " if you're expecting column lengths greater than 100,000 characters to" + " avoid this error.");
+                                    throw new IOException("Maximum addColumn length of 100,000 exceeded in addColumn " + NumberFormat.getIntegerInstance().format(this.columnsCount) + " in record " + NumberFormat.getIntegerInstance().format(this.currentRecord) + ". Set the SafetySwitch property to false" + " if you're expecting addColumn lengths greater than 100,000 characters to" + " avoid this error.");
                                 }
                             }
                         } while (this.hasMoreData && this.startedColumn);
@@ -695,7 +695,7 @@ public class CsvReader {
                                 ++dataBuffer3.Position;
                                 if (this.userSettings.SafetySwitch && this.dataBuffer.Position - this.dataBuffer.ColumnStart + this.columnBuffer.Position > 100000) {
                                     this.close();
-                                    throw new IOException("Maximum column length of 100,000 exceeded in column " + NumberFormat.getIntegerInstance().format(this.columnsCount) + " in record " + NumberFormat.getIntegerInstance().format(this.currentRecord) + ". Set the SafetySwitch property to false" + " if you're expecting column lengths greater than 100,000 characters to" + " avoid this error.");
+                                    throw new IOException("Maximum addColumn length of 100,000 exceeded in addColumn " + NumberFormat.getIntegerInstance().format(this.columnsCount) + " in record " + NumberFormat.getIntegerInstance().format(this.currentRecord) + ". Set the SafetySwitch property to false" + " if you're expecting addColumn lengths greater than 100,000 characters to" + " avoid this error.");
                                 }
                             }
                         } while (this.hasMoreData && this.startedColumn);
@@ -868,7 +868,7 @@ public class CsvReader {
         this.startedColumn = false;
         if (this.columnsCount >= 100000 && this.userSettings.SafetySwitch) {
             this.close();
-            throw new IOException("Maximum column count of 100,000 exceeded in record " + NumberFormat.getIntegerInstance().format(this.currentRecord) + ". Set the SafetySwitch property to false" + " if you're expecting more than 100,000 columns per record to" + " avoid this error.");
+            throw new IOException("Maximum addColumn count of 100,000 exceeded in record " + NumberFormat.getIntegerInstance().format(this.currentRecord) + ". Set the SafetySwitch property to false" + " if you're expecting more than 100,000 columns per record to" + " avoid this error.");
         }
         if (this.columnsCount == this.values.length) {
             final int n3 = this.values.length * 2;

src/main/java/me/skymc/taboolib/inventory/speciaitem/SpecialItem.java

@@ -176,6 +176,7 @@ public class SpecialItem implements Listener {
                             e.getWhoClicked().setItemOnCursor(null);
                         }
                         break;
+                    default:
                 }
             }
         }

src/main/java/me/skymc/taboolib/javashell/utils/JarUtils.java

@@ -14,86 +14,87 @@ import java.util.jar.JarFile;
 
 public class JarUtils {
 
-	public static boolean extractFromJar(final String fileName, final String dest) throws IOException {
+    public static boolean extractFromJar(final String fileName, final String dest) throws IOException {
-		if (getRunningJar() == null) {
+        if (getRunningJar() == null) {
-			return false;
+            return false;
-		}
+        }
-		final File file = new File(dest);
+        final File file = new File(dest);
-		if (file.isDirectory()) {
+        if (file.isDirectory()) {
-			file.mkdir();
+            file.mkdir();
-			return false;
+            return false;
-		}
+        }
-		if (!file.exists()) {
+        if (!file.exists()) {
-			file.getParentFile().mkdirs();
+            file.getParentFile().mkdirs();
-		}
+        }
 
-		final JarFile jar = getRunningJar();
+        final JarFile jar = getRunningJar();
-		final Enumeration<JarEntry> e = jar.entries();
+        final Enumeration<JarEntry> e = jar.entries();
-		while (e.hasMoreElements()) {
+        while (e.hasMoreElements()) {
-			final JarEntry je = e.nextElement();
+            final JarEntry je = e.nextElement();
-			if (!je.getName().contains(fileName)) {
+            if (!je.getName().contains(fileName)) {
-				continue;
+                continue;
-			}
+            }
-			final InputStream in = new BufferedInputStream(jar.getInputStream(je));
+            final InputStream in = new BufferedInputStream(jar.getInputStream(je));
-			final OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
+            final OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
-			copyInputStream(in, out);
+            copyInputStream(in, out);
-			jar.close();
+            jar.close();
-			return true;
+            return true;
-		}
+        }
-		jar.close();
+        jar.close();
-		return false;
+        return false;
-	}
+    }
 
     private static void copyInputStream(final InputStream in, final OutputStream out) throws IOException {
-		try {
+        try {
-			final byte[] buff = new byte[4096];
+            final byte[] buff = new byte[4096];
-			int n;
+            int n;
-			while ((n = in.read(buff)) > 0) {
+            while ((n = in.read(buff)) > 0) {
-				out.write(buff, 0, n);
+                out.write(buff, 0, n);
-			}
+            }
-		} finally {
+        } finally {
-			out.flush();
+            out.flush();
-			out.close();
+            out.close();
-			in.close();
+            in.close();
-		}
+        }
-	}
+    }
 
-	@Deprecated
+    @Deprecated
-	public static URL getJarUrl(final File file) throws IOException {
+    public static URL getJarUrl(final File file) throws IOException {
-		return new URL("jar:" + file.toURI().toURL().toExternalForm() + "!/");
+        return new URL("jar:" + file.toURI().toURL().toExternalForm() + "!/");
-	}
+    }
 
-	public static JarFile getRunningJar() throws IOException {
+    public static JarFile getRunningJar() throws IOException {
-		if (!RUNNING_FROM_JAR) {
+        if (!RUNNING_FROM_JAR) {
-			return null; // null if not running from jar
+            // null if not running from jar
-		}
+            return null;
-		String path = new File(JarUtils.class.getProtectionDomain().getCodeSource().getLocation().getPath())
+        }
-				.getAbsolutePath();
+        String path = new File(JarUtils.class.getProtectionDomain().getCodeSource().getLocation().getPath())
-		path = URLDecoder.decode(path, "UTF-8");
+                .getAbsolutePath();
-		return new JarFile(path);
+        path = URLDecoder.decode(path, "UTF-8");
-	}
+        return new JarFile(path);
+    }
 
-	private static boolean RUNNING_FROM_JAR = false;
+    private static boolean RUNNING_FROM_JAR = false;
 
-	static {
+    static {
-		final URL resource = JarUtils.class.getClassLoader().getResource("plugin.yml");
+        final URL resource = JarUtils.class.getClassLoader().getResource("plugin.yml");
-		if (resource != null) {
+        if (resource != null) {
-			RUNNING_FROM_JAR = true;
+            RUNNING_FROM_JAR = true;
-		}
+        }
-	}
+    }
 
-	@Deprecated
+    @Deprecated
-	public static void addClassPath(final URL url) {
+    public static void addClassPath(final URL url) {
-		final URLClassLoader sysloader = (URLClassLoader) Bukkit.class.getClassLoader();
+        final URLClassLoader sysloader = (URLClassLoader) Bukkit.class.getClassLoader();
-		final Class<URLClassLoader> sysclass = URLClassLoader.class;
+        final Class<URLClassLoader> sysclass = URLClassLoader.class;
-		try {
+        try {
-			final Method method = sysclass.getDeclaredMethod("addURL", URL.class);
+            final Method method = sysclass.getDeclaredMethod("addURL", URL.class);
-			method.setAccessible(true);
+            method.setAccessible(true);
-			method.invoke(sysloader, url);
+            method.invoke(sysloader, url);
-		} catch (Throwable t) {
+        } catch (Throwable t) {
-			MsgUtils.warn("无法添加添加 &4" + url + "&c 到运行库");
+            MsgUtils.warn("无法添加添加 &4" + url + "&c 到运行库");
-			MsgUtils.warn(t.getMessage());
+            MsgUtils.warn(t.getMessage());
-		}
+        }
-	}
+    }
 
 }

src/main/java/me/skymc/taboolib/listener/ListenerPlayerJoinAndQuit.java

@@ -1,9 +1,12 @@
 package me.skymc.taboolib.listener;
 
 import com.ilummc.tlib.resources.TLocale;
+import me.skymc.taboolib.Main;
 import me.skymc.taboolib.TabooLib;
 import me.skymc.taboolib.playerdata.DataUtils;
+import me.skymc.taboolib.translateuuid.TranslateUUID;
 import me.skymc.taboolib.update.UpdateTask;
+import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
@@ -17,6 +20,9 @@ public class ListenerPlayerJoinAndQuit implements Listener {
         if (UpdateTask.isHaveUpdate() && e.getPlayer().hasPermission("taboolib.update.notify")) {
             TLocale.Logger.sendTo(e.getPlayer(), "UPDATETASK.VERSION-OUTDATED", String.valueOf(TabooLib.getPluginVersion()), String.valueOf(UpdateTask.getNewVersion()));
         }
+        if (TranslateUUID.isEnabled()) {
+            Bukkit.getScheduler().runTaskAsynchronously(Main.getInst(), () -> TranslateUUID.updateUsername(e.getPlayer().getUniqueId(), e.getPlayer().getName()));
+        }
     }
 
     @EventHandler(priority = EventPriority.MONITOR)

src/main/java/me/skymc/taboolib/mysql/builder/SQLColumn.java

@@ -10,26 +10,15 @@ import java.util.Arrays;
  */
 public class SQLColumn {
 
-    /**
+    public static final SQLColumn PRIMARY_KEY_ID = new SQLColumn(SQLColumnType.INT, "id", SQLColumnOption.NOTNULL, SQLColumnOption.PRIMARY_KEY, SQLColumnOption.AUTO_INCREMENT);
-     * 类型
+
-     */
     private SQLColumnType columnType;
     private int m;
     private int d;
 
-    /**
-     * 名称
-     */
     private String columnName;
-
-    /**
-     * 默认值
-     */
     private Object defaultValue;
 
-    /**
-     * 属性值
-     */
     private SQLColumnOption[] columnOptions;
 
     /**
@@ -106,30 +95,32 @@ public class SQLColumn {
     }
 
     private String convertToOptions() {
-        StringBuilder stringBuilder = new StringBuilder();
+        StringBuilder builder = new StringBuilder();
         for (SQLColumnOption options : columnOptions) {
             switch (options) {
                 case NOTNULL:
-                    stringBuilder.append(" not null");
+                    builder.append(" not null");
                     break;
                 case PRIMARY_KEY:
-                    stringBuilder.append(" primary key");
+                    builder.append(" primary key");
                     break;
                 case AUTO_INCREMENT:
-                    stringBuilder.append(" auto_increment");
+                    builder.append(" auto_increment");
                     break;
                 case UNIQUE_KEY:
-                    stringBuilder.append(" unique key");
+                    builder.append(" unique key");
                     break;
                 default:
             }
         }
-        if (defaultValue instanceof String) {
+        if (defaultValue != null) {
-            stringBuilder.append(" default '").append(defaultValue).append("'");
+            if (defaultValue instanceof String) {
-        } else {
+                builder.append(" default '").append(defaultValue).append("'");
-            stringBuilder.append(" default ").append(defaultValue);
+            } else {
+                builder.append(" default ").append(defaultValue);
+            }
         }
-        return stringBuilder.toString();
+        return builder.toString();
     }
 
     @Override

src/main/java/me/skymc/taboolib/mysql/builder/SQLExecutor.java

@@ -0,0 +1,36 @@
+package me.skymc.taboolib.mysql.builder;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+
+/**
+ * @Author sky
+ * @Since 2018-06-22 16:38
+ */
+public class SQLExecutor {
+
+    public static void freeConnection(Connection connection) {
+        try {
+            if (connection != null) {
+                connection.close();
+            }
+        } catch (Exception ignored) {
+        }
+    }
+
+    public static void freeStatement(PreparedStatement preparedStatement, ResultSet resultSet) {
+        try {
+            if (preparedStatement != null) {
+                preparedStatement.close();
+            }
+        } catch (Exception ignored) {
+        }
+        try {
+            if (resultSet != null) {
+                resultSet.close();
+            }
+        } catch (Exception ignored) {
+        }
+    }
+}

src/main/java/me/skymc/taboolib/mysql/builder/SQLHost.java

@@ -1,10 +1,10 @@
 package me.skymc.taboolib.mysql.builder;
 
-import com.ilummc.tlib.util.Ref;
 import com.ilummc.tlib.util.Strings;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.plugin.Plugin;
 
+import java.text.MessageFormat;
 import java.util.Objects;
 
 /**
@@ -84,6 +84,6 @@ public class SQLHost {
 
     @Override
     public String toString() {
-        return "host='" + "SQLHost{" + host + '\'' + ", user='" + user + '\'' + ", port='" + port + '\'' + ", password='" + password + '\'' + ", database='" + database + '\'' + '}';
+        return MessageFormat.format("SQLHost'{'host=''{0}'', user=''{1}'', port=''{2}'', password=''{3}'', database=''{4}'', plugin={5}'}'", host, user, port, password, database, plugin);
     }
 }

src/main/java/me/skymc/taboolib/mysql/builder/SQLTable.java

@@ -1,19 +1,63 @@
 package me.skymc.taboolib.mysql.builder;
 
+import com.google.common.base.Preconditions;
+import com.ilummc.tlib.util.Strings;
+import me.skymc.taboolib.string.ArrayUtils;
+
 /**
  * @Author sky
  * @Since 2018-05-14 19:07
  */
 public class SQLTable {
 
-    private final String tableName;
+    private String tableName;
-    private final SQLColumn[] columns;
+    private SQLColumn[] columns;
 
-    public SQLTable(String tableName, SQLColumn... columns) {
+    public SQLTable(String tableName) {
         this.tableName = tableName;
-        this.columns = columns;
     }
 
+    public SQLTable(String tableName, SQLColumn... column) {
+        this.tableName = tableName;
+        this.columns = column;
+    }
+
+    public SQLTable addColumn(SQLColumn sqlColumn) {
+        if (columns == null) {
+            columns = new SQLColumn[]{sqlColumn};
+        } else {
+            ArrayUtils.arrayAppend(columns, sqlColumn);
+        }
+        return this;
+    }
+
+    public String createQuery() {
+        Preconditions.checkNotNull(columns);
+        StringBuilder builder = new StringBuilder();
+        for (SQLColumn sqlColumn : columns) {
+            builder.append(sqlColumn.convertToCommand()).append(", ");
+        }
+        return Strings.replaceWithOrder("create table if not exists `{0}` ({1})", tableName, builder.substring(0, builder.length() - 2));
+    }
+
+    public String deleteQuery() {
+        return Strings.replaceWithOrder("drop table if exists `{0}`" + tableName);
+    }
+
+    public String cleanQuery() {
+        return Strings.replaceWithOrder("delete from `{0}`" + tableName);
+    }
+
+    public String truncateQuery() {
+        return Strings.replaceWithOrder("truncate table `{0}`", tableName);
+    }
+
+    // *********************************
+    //
+    //        Getter and Setter
+    //
+    // *********************************
+
     public String getTableName() {
         return tableName;
     }

src/main/java/me/skymc/taboolib/mysql/hikari/HikariHandler.java

@@ -22,6 +22,7 @@ public class HikariHandler {
      *
      * @param host 数据库地址
      * @return {@link HikariDataSource}
+     * @throws java.sql.SQLException 数据库连接失败异常
      */
     public static HikariDataSource createDataSource(SQLHost host, HikariConfig hikariConfig) {
         MapDataSource mapDataSource = dataSource.computeIfAbsent(host, x -> new MapDataSource(x, new HikariDataSource(hikariConfig == null ? createConfig(host) : hikariConfig)));
@@ -50,7 +51,7 @@ public class HikariHandler {
      * @param host 地址
      */
     public static void closeDataSource(SQLHost host) {
-        if (dataSource.containsKey(host)) {
+        if (host != null && dataSource.containsKey(host)) {
             MapDataSource mapDataSource = dataSource.get(host);
             if (mapDataSource.getActivePlugin().getAndDecrement() <= 1) {
                 mapDataSource.getHikariDataSource().close();

src/main/java/me/skymc/taboolib/translateuuid/TranslateUUID.java

@@ -0,0 +1,217 @@
+package me.skymc.taboolib.translateuuid;
+
+import com.ilummc.tlib.logger.TLogger;
+import com.ilummc.tlib.util.Strings;
+import com.zaxxer.hikari.HikariDataSource;
+import me.skymc.taboolib.Main;
+import me.skymc.taboolib.fileutils.ConfigUtils;
+import me.skymc.taboolib.json.JSONObject;
+import me.skymc.taboolib.mysql.builder.*;
+import me.skymc.taboolib.mysql.hikari.HikariHandler;
+import me.skymc.taboolib.nms.NMSUtils;
+import org.bukkit.configuration.file.FileConfiguration;
+
+import java.io.*;
+import java.lang.reflect.Method;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Properties;
+import java.util.UUID;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * @Author sky
+ * @Since 2018-06-21 22:16
+ */
+public class TranslateUUID {
+
+    private static FileConfiguration settings;
+    private static HikariDataSource dataSource;
+
+    private static SQLHost sqlHost;
+    private static SQLTable sqlTable;
+
+    private static final String INSERT_PLAYER_DATA = "insert into {0} values(null, ?, ?)";
+    private static final String SELECT_WITH_UUID = "select * from {0} where uuid = ?";
+    private static final String SELECT_WITH_USERNAME = "select * from {0} where username = ?";
+    private static final String UPDATE_PLAYER_USERNAME = "update {0} set username = ? where uuid = ?";
+
+    private static boolean enabled = false;
+
+    public static void init() {
+        settings = ConfigUtils.saveDefaultConfig(Main.getInst(), "translateuuid.yml");
+        if (!settings.getBoolean("Enable")) {
+            enabled = false;
+            return;
+        }
+        sqlHost = new SQLHost(settings.getConfigurationSection("Database"), Main.getInst());
+        sqlTable = new SQLTable(settings.getString("Database.table"), SQLColumn.PRIMARY_KEY_ID, new SQLColumn(SQLColumnType.TEXT, "uuid"), new SQLColumn(SQLColumnType.TEXT, "username"));
+        try {
+            dataSource = HikariHandler.createDataSource(sqlHost, null);
+            createTable();
+        } catch (Exception e) {
+            TLogger.getGlobalLogger().error("Database connected fail: " + e.toString());
+        }
+        enabled = true;
+    }
+
+    public static void cancel() {
+        HikariHandler.closeDataSource(sqlHost);
+    }
+
+    public static String translateUUID(String username) {
+        try (Connection connection = dataSource.getConnection()) {
+            return translateInternal(connection, username, "uuid", SELECT_WITH_USERNAME);
+        } catch (SQLException e) {
+            TLogger.getGlobalLogger().error("Database error: " + e.toString());
+            return null;
+        }
+    }
+
+    public static String translateUsername(UUID uuid) {
+        try (Connection connection = dataSource.getConnection()) {
+            return translateInternal(connection, uuid.toString(), "username", SELECT_WITH_UUID);
+        } catch (SQLException e) {
+            TLogger.getGlobalLogger().error("Database error: " + e.toString());
+            return null;
+        }
+    }
+
+    public static void updateUsername(UUID uuid, String username) {
+        PreparedStatement preparedStatement = null;
+        try (Connection connection = dataSource.getConnection()) {
+            String usernameExists = translateInternal(connection, uuid.toString(), "username", SELECT_WITH_UUID);
+            if (usernameExists == null) {
+                preparedStatement = connection.prepareStatement(Strings.replaceWithOrder(INSERT_PLAYER_DATA, sqlTable.getTableName()));
+                preparedStatement.setString(1, uuid.toString());
+                preparedStatement.setString(2, username);
+            } else {
+                preparedStatement = connection.prepareStatement(Strings.replaceWithOrder(UPDATE_PLAYER_USERNAME, sqlTable.getTableName()));
+                preparedStatement.setString(1, username);
+                preparedStatement.setString(2, uuid.toString());
+            }
+            preparedStatement.executeUpdate();
+        } catch (SQLException e) {
+            TLogger.getGlobalLogger().error("Database error: " + e.toString());
+        } finally {
+            SQLExecutor.freeStatement(preparedStatement, null);
+        }
+    }
+
+    public static void importLocal() {
+        File worldFolder = new File(getDefaultWorldName());
+        if (!worldFolder.exists()) {
+            TLogger.getGlobalLogger().error("Invalid \"world\" folder");
+            return;
+        }
+
+        File playerDataFolder = new File(worldFolder, "playerdata");
+        if (!playerDataFolder.exists() || !playerDataFolder.isDirectory()) {
+            TLogger.getGlobalLogger().error("Invalid \"playerdata\" folder");
+            return;
+        }
+
+        ScheduledExecutorService threadPool = Executors.newScheduledThreadPool(32);
+
+        AtomicInteger i = new AtomicInteger();
+        int size = playerDataFolder.listFiles().length;
+
+        TLogger.getGlobalLogger().info("Start importing the local data...");
+        for (File file : playerDataFolder.listFiles()) {
+            threadPool.submit(() -> {
+                try {
+                    String username = getUsernameInDatFile(file);
+                    updateUsername(UUID.fromString(file.getName().split("\\.")[0]), username);
+                    TLogger.getGlobalLogger().info("importing... " + username + "(" + i.getAndIncrement() + "/" + size + ")");
+                } catch (Exception ignored) {
+                }
+            });
+        }
+
+        threadPool.shutdown();
+    }
+
+    public static JSONObject getPlayerDataInDatFile(File datFile) {
+        Class<?> clazz = NMSUtils.getNMSClassSilent("NBTCompressedStreamTools");
+        try (FileInputStream fileInputStream = new FileInputStream(datFile)) {
+            Method a = clazz.getMethod("a", InputStream.class);
+            Object nbtTagCompound = a.invoke(null, fileInputStream);
+            return new JSONObject(nbtTagCompound.getClass().getMethod("toString").invoke(nbtTagCompound));
+        } catch (Exception ignored) {
+        }
+        return new JSONObject();
+    }
+
+    // *********************************
+    //
+    //         Private Methods
+    //
+    // *********************************
+
+    private static void createTable() {
+        PreparedStatement preparedStatement = null;
+        try (Connection connection = dataSource.getConnection()) {
+            preparedStatement = connection.prepareStatement(sqlTable.createQuery());
+            preparedStatement.executeUpdate();
+        } catch (SQLException e) {
+            TLogger.getGlobalLogger().error("Database error: " + e.toString());
+        } finally {
+            SQLExecutor.freeStatement(preparedStatement, null);
+        }
+    }
+
+    private static String getDefaultWorldName() {
+        Properties properties = new Properties();
+        try {
+            properties.load(new FileReader(new File("server.properties")));
+        } catch (IOException ignored) {
+        }
+        return properties.getProperty("level-name", "world");
+    }
+
+    private static String getUsernameInDatFile(File datFile) {
+        Class<?> clazz = NMSUtils.getNMSClassSilent("NBTCompressedStreamTools");
+        try (FileInputStream fileInputStream = new FileInputStream(datFile)) {
+            Method a = clazz.getMethod("a", InputStream.class);
+            Object nbtTagCompound = a.invoke(null, fileInputStream);
+            Method getCompound = nbtTagCompound.getClass().getMethod("getCompound", String.class);
+            Object bukkit = getCompound.invoke(nbtTagCompound, "bukkit");
+            Method getString = bukkit.getClass().getMethod("getString", String.class);
+            return String.valueOf(getString.invoke(bukkit, "lastKnownName"));
+        } catch (Exception ignored) {
+        }
+        return "null";
+    }
+
+    private static String translateInternal(Connection connection, String input, String output, String command) {
+        PreparedStatement preparedStatement = null;
+        ResultSet resultSet = null;
+        try {
+            preparedStatement = connection.prepareStatement(Strings.replaceWithOrder(command, sqlTable.getTableName()));
+            preparedStatement.setString(1, input);
+            resultSet = preparedStatement.executeQuery();
+            while (resultSet.next()) {
+                return resultSet.getString(output);
+            }
+        } catch (SQLException e) {
+            TLogger.getGlobalLogger().error("Database error: " + e.toString());
+        } finally {
+            SQLExecutor.freeStatement(preparedStatement, resultSet);
+        }
+        return null;
+    }
+
+    // *********************************
+    //
+    //        Getter and Setter
+    //
+    // *********************************
+
+    public static boolean isEnabled() {
+        return enabled;
+    }
+}

src/main/java/me/skymc/taboolib/translateuuid/TranslateUUIDCommand.java

@@ -0,0 +1,75 @@
+package me.skymc.taboolib.translateuuid;
+
+import com.ilummc.tlib.resources.TLocale;
+import me.skymc.taboolib.commands.internal.BaseMainCommand;
+import me.skymc.taboolib.commands.internal.BaseSubCommand;
+import me.skymc.taboolib.commands.internal.type.CommandArgument;
+import me.skymc.taboolib.commands.internal.type.CommandRegister;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+
+/**
+ * @Author sky
+ * @Since 2018-06-22 17:09
+ */
+public class TranslateUUIDCommand extends BaseMainCommand {
+
+    @Override
+    public String getCommandTitle() {
+        return TLocale.asString("COMMANDS.TRANSLATE-UUID.COMMAND-TITLE");
+    }
+
+    @CommandRegister
+    BaseSubCommand importLocal = new BaseSubCommand() {
+        @Override
+        public String getLabel() {
+            return "importLocal";
+        }
+
+        @Override
+        public String getDescription() {
+            return TLocale.asString("COMMANDS.TRANSLATE-UUID.IMPORTLOCAL.DESCRIPTION");
+        }
+
+        @Override
+        public CommandArgument[] getArguments() {
+            return new CommandArgument[0];
+        }
+
+        @Override
+        public void onCommand(CommandSender sender, Command command, String label, String[] args) {
+            if (!TranslateUUID.isEnabled()) {
+                TLocale.sendTo(sender, "COMMANDS.TRANSLATE-UUID.IMPORTLOCAL.DISABLED");
+                return;
+            }
+
+            TLocale.sendTo(sender, "COMMANDS.TRANSLATE-UUID.IMPORTLOCAL.SUCCESS");
+            TranslateUUID.importLocal();
+        }
+    };
+
+    @CommandRegister
+    BaseSubCommand reload = new BaseSubCommand() {
+        @Override
+        public String getLabel() {
+            return "reload";
+        }
+
+        @Override
+        public String getDescription() {
+            return TLocale.asString("COMMANDS.TRANSLATE-UUID.RELOAD.DESCRIPTION");
+        }
+
+        @Override
+        public CommandArgument[] getArguments() {
+            return new CommandArgument[0];
+        }
+
+        @Override
+        public void onCommand(CommandSender sender, Command command, String label, String[] args) {
+            TLocale.sendTo(sender, "COMMANDS.TRANSLATE-UUID.RELOAD.SUCCESS");
+            TranslateUUID.cancel();
+            TranslateUUID.init();
+        }
+    };
+}

src/main/java/me/skymc/taboolib/update/UpdateTask.java

@@ -6,6 +6,7 @@ import com.google.gson.JsonParser;
 import com.ilummc.tlib.resources.TLocale;
 import me.skymc.taboolib.Main;
 import me.skymc.taboolib.TabooLib;
+import me.skymc.taboolib.commands.plugin.TabooLibPluginMainCommand;
 import me.skymc.taboolib.fileutils.FileUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.scheduler.BukkitRunnable;
@@ -63,6 +64,6 @@ public class UpdateTask {
                     }
                 }
             }
-        }.runTaskLaterAsynchronously(Main.getInst(), 100);
+        }.runTaskTimerAsynchronously(Main.getInst(), 100, 20 * 60 * 60 * 6);
     }
 }

src/main/java/org/javalite/activejdbc/MetaModel.java

@@ -163,7 +163,7 @@ public class MetaModel implements Serializable {
     }
 
     /**
-     * @return name of the column for optimistic locking record version
+     * @return name of the addColumn for optimistic locking record version
      */
     public String getVersionColumn() {
         return versionColumn;
@@ -401,11 +401,11 @@ public class MetaModel implements Serializable {
     }
 
     /**
-     * FK name is a foreign key name used in relationships as a foreign key column in a child table (table represented by this
+     * FK name is a foreign key name used in relationships as a foreign key addColumn in a child table (table represented by this
      * instance is a parent table).
      * The FK name is derived using {@link org.javalite.common.Inflector}: It is a singular version of this table name plus "_id".
      *
-     * @return foreign key name used in relationships as a foreign key column in a child table.
+     * @return foreign key name used in relationships as a foreign key addColumn in a child table.
      */
     public String getFKName() {
         return singularize(getTableName()).toLowerCase() + "_id";
@@ -469,10 +469,10 @@ public class MetaModel implements Serializable {
     }
 
     /**
-     * Provides column metadata map, keyed by attribute names.
+     * Provides addColumn metadata map, keyed by attribute names.
      * Table columns correspond to ActiveJDBC model attributes.
      *
-     * @return Provides column metadata map, keyed by attribute names.
+     * @return Provides addColumn metadata map, keyed by attribute names.
      */
     public Map<String, ColumnMetadata> getColumnMetadata() {
         if (columnMetadata == null || columnMetadata.isEmpty()) {

src/main/resources/lang/zh_CN.yml

@@ -520,6 +520,15 @@ COMMANDS:
       INVALID-PLUGIN: '&8[&3&lTabooLib&8] &4插件 &c{0} &4不存在'
       INVALID-PLUGIN-IGNORED: '&8[&3&lTabooLib&8] &4插件 &c{0} &4无法操作'
       TRY-RELOAD: '&8[&3&lTabooLib&8] &7尝试重载插件...'
+  TRANSLATE-UUID:
+    COMMAND-TITLE: '&e&l----- &6&lTranslateUUID Commands &e&l-----'
+    IMPORTLOCAL:
+      DESCRIPTION: '导入本地数据到数据库'
+      DISABLED: '&8[&3&lTabooLib&8] &4该功能尚未启用'
+      SUCCESS: '&8[&3&lTabooLib&8] &7请求已发送, 详细信息请查看控制台'
+    RELOAD:
+      DESCRIPTION: '重载配置及数据库'
+      SUCCESS: '&8[&3&lTabooLib&8] &7请求已发送, 详细信息请查看控制台'
 
 DATABASE:
   CONNECTION-ESTABLISHED: '成功连接到 {0} 数据库，连接池大小 {1}'

src/main/resources/plugin.yml

@@ -23,6 +23,9 @@ commands:
     permission: taboolib.admin
   taboolibrarymodule:
     aliases: [tlm]
+  translateuuid:
+    aliases: 'tuuid'
+    permission: taboolib.admin
     
 depend: [Vault]
 softdepend: [PlaceholderAPI, Skript, MassiveLag]

src/main/resources/translateuuid.yml

@@ -0,0 +1,11 @@
+# 是否启用
+Enable: false
+
+# 数据库地址
+Database:
+  host: 'localhost'
+  port: '3306'
+  user: 'root'
+  password: ''
+  database: 'test'
+  table: 'taboolib_translate_uuid_database'