From 6c0f5f7e88133a1b32ca7b86a6228c42c071d7ed Mon Sep 17 00:00:00 2001
From: haerong22 <haerong22@naver.com>
Date: Sat, 17 Jul 2021 11:03:24 +0900
Subject: [PATCH] springboot_validation : bean validation

---
 springboot_validation/build.gradle            |  1 +
 .../hello/itemservice/domain/item/Item.java   | 13 +++++++++
 .../validation/BeanValidationTest.java        | 27 +++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 springboot_validation/src/test/java/hello/itemservice/validation/BeanValidationTest.java

diff --git a/springboot_validation/build.gradle b/springboot_validation/build.gradle
index 90aa5dff..bd7c573b 100644
--- a/springboot_validation/build.gradle
+++ b/springboot_validation/build.gradle
@@ -21,6 +21,7 @@ repositories {
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	compileOnly 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
diff --git a/springboot_validation/src/main/java/hello/itemservice/domain/item/Item.java b/springboot_validation/src/main/java/hello/itemservice/domain/item/Item.java
index 9c27ae4a..9bdf5390 100644
--- a/springboot_validation/src/main/java/hello/itemservice/domain/item/Item.java
+++ b/springboot_validation/src/main/java/hello/itemservice/domain/item/Item.java
@@ -1,13 +1,26 @@
 package hello.itemservice.domain.item;
 
 import lombok.Data;
+import org.hibernate.validator.constraints.Range;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
 
 @Data
 public class Item {
 
     private Long id;
+
+    @NotBlank
     private String itemName;
+
+    @NotNull
+    @Range(min = 1000, max = 1000000)
     private Integer price;
+
+    @NotNull
+    @Max(9999)
     private Integer quantity;
 
     public Item() {
diff --git a/springboot_validation/src/test/java/hello/itemservice/validation/BeanValidationTest.java b/springboot_validation/src/test/java/hello/itemservice/validation/BeanValidationTest.java
new file mode 100644
index 00000000..e36e6d6d
--- /dev/null
+++ b/springboot_validation/src/test/java/hello/itemservice/validation/BeanValidationTest.java
@@ -0,0 +1,27 @@
+package hello.itemservice.validation;
+
+import hello.itemservice.domain.item.Item;
+import org.junit.jupiter.api.Test;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.Validation;
+import javax.validation.Validator;
+import javax.validation.ValidatorFactory;
+import java.util.Set;
+
+public class BeanValidationTest {
+
+    @Test
+    void beanValidation() {
+        ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
+        Validator validator = factory.getValidator();
+
+        Item item = new Item();
+        item.setItemName(" ");
+        item.setPrice(0);
+        item.setQuantity(10000);
+
+        Set<ConstraintViolation<Item>> validations = validator.validate(item);
+        validations.forEach(System.out::println);
+    }
+}