Java Validation API

Author: giaunv

java-examples/java-bean-validation/src/main/java/com/hellokoding/validation/Main.java

@@ -9,7 +9,7 @@
 public class Main {
     public static void main(String[] args) {
         Validator validator = Validation.buildDefaultValidatorFactory().getValidator();
-        Product product = new Product(null, "Hello Koding", "Coding Courses", BigDecimal.ZERO);
+        Product product = new Product(null, "Hello Koding", "Coding Courses", null, new BigDecimal(0.789));
         Set<ConstraintViolation<Product>> constraintViolations = validator.validate(product);
 
         for(ConstraintViolation constraintViolation : constraintViolations) {

java-examples/java-bean-validation/src/main/java/com/hellokoding/validation/Product.java

@@ -9,20 +9,23 @@ public class Product {
     @NotNull
     private Long id;
 
-    @NotNull
     @ProductCodeExisting
     private String code;
 
     @Size(min=1, max = 10, message = "{Size.name}")
     private String name;
 
-    @Min(1)
+    @NotNull(message = "must be not null")
+    private String description;
+
+    @Min(value = 1, message = "{Min.price}")
     private BigDecimal price;
 
-    public Product(Long id, String code, String name, BigDecimal price) {
+    public Product(Long id, String code, String name, String description, BigDecimal price) {
         this.id = id;
         this.code = code;
         this.name = name;
+        this.description = description;
         this.price = price;
     }
 }

java-examples/java-bean-validation/src/main/resources/ValidationMessages.properties

@@ -1,3 +1,4 @@
 javax.validation.constraints.NotNull.message=is required
 Size.name=must be between {min} and {max} character long
-ProductCodeExisting="${validatedValue}" is not existing
+ProductCodeExisting="${validatedValue}" is not existing
+Min.price=${formatter.format('%1$.2f', validatedValue)} is less than {value}