package GetImage;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;

import java.io.InputStream;
import java.sql.*;

public class GetImage extends Application {
    private static final String dbPath = "D:/Image_DBFile/";
    private Connection connection;

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage primaryStage) {
        Pane pane = new Pane();
        ImageView imageView = new ImageView(getImageFromDB());
        imageView.setFitWidth(200);
        imageView.setFitHeight(200);
        imageView.setX(0);
        imageView.setY(0);

        pane.getChildren().add(imageView);
        primaryStage.setScene(new Scene(pane));
        primaryStage.show();
    }

    private Image getImageFromDB(){
        Image image = null;
        try {
            Class.forName("org.sqlite.JDBC");
            connection = DriverManager.getConnection("jdbc:sqlite:" + dbPath + "MyImages.db");
            String sql = "select ...";
            PreparedStatement preparedStatement = connection.prepareStatement(sql);
            ResultSet resultSet = preparedStatement.executeQuery();
            if(resultSet.next()){
                InputStream inputStream = resultSet.getBinaryStream(Blob型別的Image的屬性索引，從1開始);
                image = new Image(inputStream);
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return image;
    }
}