Adnotacje Bean Validation

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

@@ -92,6 +92,7 @@ public class ProductController {
 		// Taki parametr od razu staje się częścią modelu (to jest tzw. ModelAttribute)
 		// i nie trzeba dodawać go w osobnym poleceniu.
 		try {
+			// Gdy próbujemy wywołać save, a obiekt nie spełnia wymagań validation, to wtedy Hibernate zablokuje taki zapis (wyrzuci wyjątek).
 			productRepository.save(product);
 			model.addAttribute("saved",  true);
 		} catch(Exception e) {

PC30-SklepSpring/src/main/java/sklep/model/Customer.java

@@ -2,6 +2,9 @@ package sklep.model;
 
 import java.io.Serializable;
 import javax.persistence.*;
+import javax.validation.constraints.Email;
+import javax.validation.constraints.Pattern;
+
 import java.util.List;
 
 
@@ -17,6 +20,7 @@ public class Customer implements Serializable {
 
 	@Id
 	@Column(name="customer_email")
+	@Email
 	private String customerEmail;
 
 	private String address;
@@ -29,6 +33,7 @@ public class Customer implements Serializable {
 	private String phoneNumber;
 
 	@Column(name="postal_code")
+	@Pattern(regexp="\\d{2}-\\d{3}")
 	private String postalCode;
 
 	//bi-directional many-to-one association to Order

PC30-SklepSpring/src/main/java/sklep/model/OrderProduct.java

 package sklep.model;
 
 import java.io.Serializable;
-import javax.persistence.*;
 import java.math.BigDecimal;
 
+import javax.persistence.Column;
+import javax.persistence.EmbeddedId;
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.NamedQuery;
+import javax.persistence.Table;
+import javax.validation.constraints.Min;
+
 
 /**
  * The persistent class for the order_products database table.
@@ -24,6 +32,7 @@ public class OrderProduct implements Serializable {
 	@Column(name="actual_vat")
 	private BigDecimal actualVat;
 
+	@Min(1)
 	private Integer quantity;
 
 	//bi-directional many-to-one association to Order

PC30-SklepSpring/src/main/java/sklep/model/Product.java

@@ -2,6 +2,11 @@ package sklep.model;
 
 import java.io.Serializable;
 import javax.persistence.*;
+import javax.validation.constraints.DecimalMin;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+
 import java.math.BigDecimal;
 
 /**
@@ -21,11 +26,15 @@ public class Product implements Serializable {
 
 	private String description;
 
+	@DecimalMin("0.01")
 	private BigDecimal price;
 
 	@Column(name="product_name")
+	@NotNull
+	@Size(min=3, max=10)
 	private String productName;
 
+	@Min(0)
 	private BigDecimal vat;
 
 	public Product() {