Added basic database (untested)

src/main/java/com/alttd/VillagerUI.java

@@ -2,6 +2,7 @@ package com.alttd;
 
 import com.alttd.GUI.GUIListener;
 import com.alttd.commands.CommandManager;
+import com.alttd.commands.database.Database;
 import com.alttd.config.Config;
 import com.alttd.config.VillagerConfig;
 import com.alttd.config.WorthConfig;
@@ -28,6 +29,7 @@ public class VillagerUI extends JavaPlugin {
         Config.reload();
         VillagerConfig.reload();
         WorthConfig.reload();
+        Database.init();
         getLogger().info("--------------------------------------------------");
         getLogger().info("Villager UI started");
         getLogger().info("--------------------------------------------------");

src/main/java/com/alttd/commands/database/Database.java

@@ -0,0 +1,49 @@
+package com.alttd.commands.database;
+
+import com.alttd.VillagerUI;
+import com.alttd.config.Config;
+import org.bukkit.Bukkit;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+public class Database {
+
+    public static Connection connection = null;
+
+    public static void init() { //Not static so we know for sure it loads on time
+        String url = "jdbc:" + Config.DRIVER +
+                "://" + Config.IP +
+                ":" + Config.PORT +
+                "/" + Config.DATABASE_NAME +
+                "?autoReconnect=true&useSSL=false";
+        try {
+            connection = DriverManager.getConnection(url, Config.USERNAME, Config.PASSWORD);
+        } catch (SQLException e) {
+            e.printStackTrace();
+            VillagerUI.getInstance().getLogger().severe("Connection to database failed!");
+            connection = null;
+            VillagerUI.getInstance().getLogger().severe("Shutting down VillagerUI");
+            Bukkit.getPluginManager().disablePlugin(VillagerUI.getInstance());
+            return;
+        }
+
+        // Tables
+        createUserPointsTable();
+    }
+
+    static void createUserPointsTable() {
+        try {
+            String sql = "CREATE TABLE IF NOT EXISTS user_points(" +
+                    "UUID varchar 36 NOT NULL, " +
+                    "Points int NOT NULL, " +
+                    "PRIMARY KEY (UUID)" +
+                    ")";
+            connection.prepareStatement(sql).executeUpdate();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+}

src/main/java/com/alttd/config/Config.java

@@ -14,7 +14,6 @@ public final class Config extends AbstractConfig {
 
     static Config config;
     static int version;
-
     public Config() {
         super(new File(System.getProperty("user.home") + File.separator + "share" + File.separator + "configs" + File.separator + "VillagerShopUI"), "config.yml");
     }
@@ -28,6 +27,22 @@ public final class Config extends AbstractConfig {
         config.readConfig(Config.class, null);
     }
 
+    public static String DRIVER = "mysql";
+    public static String IP = "localhost";
+    public static String PORT = "3306";
+    public static String DATABASE_NAME = "VillagerShopUI";
+    public static String USERNAME = "";
+    public static String PASSWORD = "";
+
+    private static void loadDatabase() {
+        DRIVER = config.getString("database.driver", DRIVER);
+        IP = config.getString("database.ip", IP);
+        PORT = config.getString("database.port", PORT);
+        DATABASE_NAME = config.getString("database.name", DATABASE_NAME);
+        USERNAME = config.getString("database.username", USERNAME);
+        PASSWORD = config.getString("database.password", PASSWORD);
+    }
+
     public static String INITIAL_VILLAGER_WINDOW = "<trader> price: <percentage>%";
     public static String BUY_WINDOW = "<trader> price: <percentage>%";
     public static String SELL_WINDOW = "<trader> price: <percentage>%";