@SessionAttribute i listener jako klasa anonimowa

PC30-SklepSpring/src/main/java/sklep/basket/BasketConfig.java

@@ -3,6 +3,8 @@ package sklep.basket;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import jakarta.servlet.http.HttpSession;
+import jakarta.servlet.http.HttpSessionEvent;
 import jakarta.servlet.http.HttpSessionListener;
 
 @Configuration
@@ -12,7 +14,20 @@ public class BasketConfig {
 	
 	@Bean
 	HttpSessionListener createListener() {
-		return new BasketListener();
+		return new HttpSessionListener() {
+			@Override
+			public void sessionCreated(HttpSessionEvent se) {
+				HttpSession session = se.getSession();
+				session.setMaxInactiveInterval(60);
+				session.setAttribute("basket", new Basket());
+				System.out.println("Początek sesji " + session.getId());
+			}
+
+			@Override
+			public void sessionDestroyed(HttpSessionEvent se) {
+				System.out.println("Koniec sesji " + se.getSession().getId());
+			}
+		};
 	}
 
 }

PC30-SklepSpring/src/main/java/sklep/basket/BasketListener.java

-package sklep.basket;
-
-import jakarta.servlet.http.HttpSession;
-import jakarta.servlet.http.HttpSessionEvent;
-import jakarta.servlet.http.HttpSessionListener;
-
-public class BasketListener implements HttpSessionListener {
-
-	public void sessionCreated(HttpSessionEvent se) {
-		HttpSession session = se.getSession();
-		session.setMaxInactiveInterval(30); // sesja wygasa po pół minuty - tylko na potrzeby zajęć
-		session.setAttribute("basket", new Basket());
-		System.out.println("Początek sesji " + session.getId());
-	}
-
-	public void sessionDestroyed(HttpSessionEvent se) {
-		System.out.println("Koniec sesji " + se.getSession().getId());
-	}
-
-}

PC30-SklepSpring/src/main/java/sklep/controller/ProductController.java

@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.SessionAttribute;
 
 import jakarta.servlet.http.HttpSession;
 import jakarta.validation.Valid;
@@ -106,9 +107,8 @@ public class ProductController {
 	@GetMapping("/{id}/add-to-basket")
 	public String addToBasket(
 			@PathVariable("id") int productId,
-			HttpSession session) {
+			@SessionAttribute Basket basket) {
 		
-		Basket basket = (Basket) session.getAttribute("basket");
 		Optional<Product> product = productRepository.findById(productId);
 		if(product.isPresent()) {
 			basket.addProduct(product.get());