src/main/java/com/bib/essensbestellungsverwaltung/Database.java

@@ -1,98 +0,0 @@
-package com.bib.essensbestellungsverwaltung;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.file.Path;
-import java.sql.*;
-
-public class Database {
-    private static final String dbLocation = "jdbc:sqlite:"+Path.of("").toAbsolutePath()+"/database.db";
-    protected static void init(){
-        File db = new File(Path.of("").toAbsolutePath()+"/database.db");
-        try {
-            db.createNewFile();
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
-    }
-    protected static Connection connect(){
-        Connection conn = null;
-        try{
-            conn = DriverManager.getConnection(dbLocation);
-        }catch (SQLException e){
-            e.printStackTrace();
-        }
-        return conn;
-    }
-
-    protected static void createDb(){
-        String sql = """
-                CREATE TABLE IF NOT EXISTS user (
-                id integer PRIMARY KEY,
-                name text);""";
-        try(Connection conn = connect(); Statement stmt = conn.createStatement()){
-            stmt.execute(sql);
-        } catch (SQLException e) {
-            e.printStackTrace();
-        }
-    }
-
-    protected static void fillSampleDb(){
-        String sql = """
-                INSERT INTO user (id,name)
-                VALUES (1,'test1');""";
-        try(Connection conn = connect(); Statement stmt = conn.createStatement()){
-            stmt.execute(sql);
-        }catch (SQLException e){
-            e.printStackTrace();
-        }
-    }
-
-    protected static void printSampleQuery(){
-        String sql = """
-                SELECT * FROM user WHERE id > ?;""";
-        try(Connection conn = connect()){
-            PreparedStatement pstmt = conn.prepareStatement(sql);
-            pstmt.setInt(1,0);
-            ResultSet rs = pstmt.executeQuery();
-            while (rs.next()){
-                System.out.println(rs.getInt("id"));
-                System.out.println(rs.getString("name"));
-            }
-        }catch (SQLException e){
-            e.printStackTrace();
-        }
-    }
-
-    protected static void deleteSample(){
-        String sql = """
-                DELETE FROM user WHERE id = ?;""";
-        try(Connection conn = connect();PreparedStatement pstmt = conn.prepareStatement(sql)){
-            pstmt.setInt(1,1);
-            pstmt.executeUpdate();
-        }catch (SQLException e){
-            e.printStackTrace();
-        }
-    }
-
-    /*        String sql = """
-                CREATE TABLE IF NOT EXISTS user (
-                id integer PRIMARY KEY,
-                name text);""";
-        String sql2 = "SELECT * FROM user WHERE id > ?";
-        String sql3 = "INSERT INTO user (id,name) VALUES (1,'test1')";
-        try(Connection conn = connect();
-            Statement stmt = conn.createStatement()){
-            stmt.execute(sql);
-            stmt.execute(sql3);
-            PreparedStatement pstmt = conn.prepareStatement(sql2);
-            pstmt.setInt(1,0);
-            ResultSet rs = pstmt.executeQuery();
-            while (rs.next()){
-                System.out.println(rs.getInt("id"));
-            }
-        }catch (SQLException e){
-            e.printStackTrace();
-            return;
-        }   */
-}

src/main/java/com/bib/essensbestellungsverwaltung/HelloApplication.java

@@ -6,8 +6,10 @@ import javafx.scene.Scene;
 import javafx.stage.Stage;
 
 import java.io.IOException;
+import java.sql.*;
 
 public class HelloApplication extends Application {
+    private static final String dbLocation = "jdbc:sqlite:"+HelloApplication.class.getResource("database/database.db");
     @Override
     public void start(Stage stage) throws IOException {
         FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
@@ -18,11 +20,36 @@ public class HelloApplication extends Application {
     }
 
     public static void main(String[] args) {
-        Database.init();
+/*        String sql = """
-        Database.createDb();
+                CREATE TABLE IF NOT EXISTS user (
-        Database.fillSampleDb();
+                id integer PRIMARY KEY,
-        Database.printSampleQuery();
+                name text);""";
-        Database.deleteSample();
+        String sql2 = "SELECT * FROM user WHERE id > ?";
+        String sql3 = "INSERT INTO user (id,name) VALUES (1,'test1')";
+        try(Connection conn = connect();
+            Statement stmt = conn.createStatement()){
+            stmt.execute(sql);
+            stmt.execute(sql3);
+            PreparedStatement pstmt = conn.prepareStatement(sql2);
+            pstmt.setInt(1,0);
+            ResultSet rs = pstmt.executeQuery();
+            while (rs.next()){
+                System.out.println(rs.getInt("id"));
+            }
+        }catch (SQLException e){
+            e.printStackTrace();
+            return;
+        }   */
         launch();
     }
+
+    private static Connection connect(){
+        Connection conn = null;
+        try{
+            conn = DriverManager.getConnection(dbLocation);
+        }catch (SQLException e){
+            e.printStackTrace();
+        }
+        return conn;
+    }
 }