[3주차 과제 제출] 박지현 과제 제출 합니다.

build.gradle

@@ -20,6 +20,8 @@ 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-jdbc'
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	runtimeOnly 'com.h2database:h2'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'

sql/ddl.sql

@@ -0,0 +1,18 @@
+drop table if exists member CASCADE;
+ create table member
+ (
+    id bigint generated by default as identity,
+    name varchar(255),
+    primary key (id)
+ );
+
+
+ drop table if exists item CASCADE;
+  create table item
+  (
+     id bigint generated by default as identity,
+     name varchar(255),
+     price integer not null,
+     count integer not null,
+     primary key (id)
+  );

src/main/java/landvibe/springintro/aop/TimeTraceAop.java

@@ -0,0 +1,25 @@
+package landvibe.springintro.aop;
+
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.springframework.stereotype.Component;
+
+@Aspect
+@Component //스프링 빈에 등록
+public class TimeTraceAop {
+    @Around("execution(* landvibe.springintro..*(..))") //이 로직을 적용하고자 하는 범위 설정
+    public Object execute(ProceedingJoinPoint joinPoint) throws Throwable {
+        long start = System.currentTimeMillis();
+        System.out.println("START: " + joinPoint.toString());
+
+        try {
+            return joinPoint.proceed();
+        } finally {
+            long finish = System.currentTimeMillis();
+            long timeMs = finish - start;
+
+            System.out.println("END: " + joinPoint.toString() + " " + timeMs + "ms");
+        }
+    }
+}

src/main/java/landvibe/springintro/controller/HelloController.java

@@ -0,0 +1,48 @@
+package landvibe.springintro.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+@Controller
+public class HelloController {
+    @GetMapping("hello")
+    public String hello(Model model) {
+        model.addAttribute("data", "LandVibe");
+        return "hello";
+    }
+
+    @GetMapping("hello-mvc")
+    public String helloMvc(
+            @RequestParam(value = "name", required = false, defaultValue =
+                    "landVibe") String name,
+            Model model
+    ) {
+        model.addAttribute("name", name);
+        return "hello-template";
+    }
+
+    @GetMapping("hello-string")
+    @ResponseBody
+    public String helloString(@RequestParam("name") String name) {
+        return "hello " + name;
+    }
+
+    @GetMapping("hello-api")
+    @ResponseBody
+    public Hello helloApi(@RequestParam("name") String name) {
+        Hello hello = new Hello();
+        hello.setName(name);
+        return hello;
+    }
+    static class Hello {
+        private String name;
+        public String getName() {
+            return name;
+        }
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+}

src/main/java/landvibe/springintro/controller/HomeController.java

@@ -0,0 +1,17 @@
+package landvibe.springintro.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+@Controller
+public class HomeController {
+    @GetMapping("/") //localhost:8080으로 들어오면 아래 호출
+    public String home() {
+        return "home"; //home.html이 호출됨
+    }
+}
+
+/*
+기존에 있던 index.html 말고 home.html이 보여지는 이유는
+톰캣 서버에 요청이 오면 먼저 스프링 컨테이너에서 해당되는 컨트롤러가 있는지를 우선적으로 확인.
+따라서, 컨트롤러가 있으므로 index.html은 호출되지 않고 종료.
+ */

src/main/java/landvibe/springintro/item/config/ItemConfig.java

@@ -0,0 +1,45 @@
+package landvibe.springintro.item.config;
+
+import landvibe.springintro.item.repository.ItemRepository;
+import landvibe.springintro.item.repository.JpaItemRepository;
+import landvibe.springintro.item.service.ItemService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+
+import javax.sql.DataSource;
+import jakarta.persistence.EntityManager;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ItemConfig {
+    /*
+    private final DataSource dataSource;
+    private final EntityManager em;
+
+    @Autowired
+    public ItemConfig(DataSource dataSource, EntityManager em) {
+        this.dataSource = dataSource;
+        this.em = em;
+    }
+     */
+    private final ItemRepository itemRepository;
+
+    public ItemConfig(ItemRepository itemRepository) {
+        this.itemRepository = itemRepository;
+    }
+
+    @Bean
+    public ItemService itemService() {
+        return new ItemService(itemRepository);
+    }
+
+    /*
+    @Bean
+    public ItemRepository itemRepository() {
+        // return new MemoryItemRepository();
+        // return new JdbcItemRepository(dataSource);
+        // return new JdbcTemplateItemRepository(dataSource);
+        return new JpaItemRepository(em);
+    }
+     */
+}

src/main/java/landvibe/springintro/item/controller/ItemController.java

@@ -0,0 +1,46 @@
+package landvibe.springintro.item.controller;
+
+import landvibe.springintro.item.service.ItemService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.ui.Model;
+import landvibe.springintro.item.domain.Item;
+
+import java.util.List;
+
+@Controller
+public class ItemController {
+    private final ItemService itemService;
+
+    @Autowired
+    public ItemController(ItemService itemService) {
+        this.itemService = itemService;
+    }
+
+    @GetMapping("/items/new")
+    public String createForm(){
+        return "items/createForm";
+    }
+
+    @PostMapping("/items/new")
+    public String create(@ModelAttribute ItemCreateForm form) {
+        Item item = new Item();
+        item.setName(form.getName());
+        item.setPrice(form.getPrice());
+        item.setCount(form.getCount());
+        itemService.create(item);
+
+        return "redirect:/";
+    }
+
+    @GetMapping("/items")
+    public String list(Model model){
+        List<Item> items = itemService.findItems();
+        model.addAttribute("items", items);
+
+        return "items/itemList";
+    }
+}

src/main/java/landvibe/springintro/item/controller/ItemCreateForm.java

@@ -0,0 +1,31 @@
+package landvibe.springintro.item.controller;
+
+public class ItemCreateForm {
+    private String name;
+    private Integer price;
+    private Integer count;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getPrice() {
+        return price;
+    }
+
+    public void setPrice(Integer price) {
+        this.price = price;
+    }
+
+    public Integer getCount() {
+        return count;
+    }
+
+    public void setCount(Integer count) {
+        this.count = count;
+    }
+}

src/main/java/landvibe/springintro/item/domain/Item.java

@@ -0,0 +1,48 @@
+package landvibe.springintro.item.domain;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Entity
+public class Item {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String name;
+    private Integer price;
+    private Integer count;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getPrice() {
+        return price;
+    }
+
+    public void setPrice(Integer price) {
+        this.price = price;
+    }
+
+    public Integer getCount() {
+        return count;
+    }
+
+    public void setCount(Integer count) {
+        this.count = count;
+    }
+}

src/main/java/landvibe/springintro/item/repository/ItemRepository.java

@@ -0,0 +1,14 @@
+package landvibe.springintro.item.repository;
+
+import landvibe.springintro.item.domain.Item;
+import java.util.List;
+import java.util.Optional;
+public interface ItemRepository {
+    Item save(Item item);
+
+    Optional<Item> findById(Long id);
+
+    Optional<Item> findByName(String name);
+
+    List<Item> findAll();
+}