Add creating database

.gitignore

@@ -36,6 +36,7 @@ buildNumber.properties
 .mvn/timing.properties
 # https://github.com/takari/maven-wrapper#usage-without-binary-jar
 .mvn/wrapper/maven-wrapper.jar
+ic_plugin/settings.xml
 
 # Eclipse m2e generated files
 # Eclipse Core

default.code-workspace

@@ -9,6 +9,8 @@
         "files.encoding": "utf8",
         "java.home": "/usr/lib/jvm/jdk-25",
         "java.jdt.ls.vmargs": "-Dfile.encoding=UTF-8",
-        "javac-linter.javac": "javac -Dfile.encoding=UTF-8"
+        "javac-linter.javac": "javac -Dfile.encoding=UTF-8",
+        "java.configuration.updateBuildConfiguration": "automatic",
+        "java.format.settings.url": "eclipse-formatter.xml"
     }
 }

ic_plugin/pom.xml

@@ -57,6 +57,11 @@
             <version>1.21.8-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.xerial</groupId>
+            <artifactId>sqlite-jdbc</artifactId>
+            <version>3.50.3.0</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -92,6 +97,12 @@
                 <plugin>
                     <artifactId>maven-jar-plugin</artifactId>
                     <version>3.4.2</version>
+                    <configuration>
+                        <systemPropertyVariables>
+                            <db.username>${db.username}</db.username>
+                            <db.password>${db.password}</db.password>
+                        </systemPropertyVariables>
+                    </configuration>
                 </plugin>
                 <plugin>
                     <artifactId>maven-install-plugin</artifactId>

ic_plugin/src/main/java/nl/interestingcorner/App.java

@@ -1,14 +1,27 @@
 package nl.interestingcorner;
 
+import java.util.logging.Level;
+
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import nl.interestingcorner.db.DatabaseManager;
+
 public class App extends JavaPlugin {
     @Override
     public void onEnable() {
-        getLogger().info("Hello, SpigotMC!");
+        getLogger().info("Eyooo we boutta get lit!");
+        
+        // saveDefaultConfig(); // create config.yml if not exists
+        if (!DatabaseManager.INSTANCE.initialize(this))
+        {
+            getLogger().severe("Could not initialize database. Exiting!");
+            System.exit(1);
+        }
     }
     @Override
     public void onDisable() {
-        getLogger().info("See you again, SpigotMC!");
+        getLogger().info("Eyooo we outta here!");
     }
 }

ic_plugin/src/main/java/nl/interestingcorner/db/DatabaseManager.java

@@ -0,0 +1,50 @@
+package nl.interestingcorner.db;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.Properties;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.bukkit.plugin.java.JavaPlugin;
+
+public enum DatabaseManager {
+
+    INSTANCE;
+
+    private Connection connection;
+    private JavaPlugin app;
+
+    public boolean initialize(JavaPlugin app) {
+        this.app = app;
+
+        if (!app.getDataFolder().exists()) {
+            if (!app.getDataFolder().mkdirs()) {
+                app.getLogger().severe("Could not create data folder");
+                return false;
+            }
+        }
+
+        File dbFile = new File(app.getDataFolder(), "database.db");
+        String url = "jdbc:sqlite:" + dbFile.getAbsolutePath();
+
+        try {
+            this.connection = DriverManager.getConnection(url);
+        }
+        catch (SQLException e) {
+            app.getLogger().log(Level.SEVERE, "Could not connect to database file {0}: {1}",
+                    new Object[] { dbFile, e.getMessage() });
+        }
+        
+        app.getLogger().log(Level.INFO, "Connected to SQLite database: {0}", dbFile.getName());
+
+        return true;
+
+    }
+
+}