[spring-http-client-1] gib.son(손수환) 과제 제출합니다.

spring-http-client-1/initial/src/main/java/cholog/Todo.java

@@ -2,9 +2,12 @@
 
 public class Todo {
 
-    // TODO: Todo 객체가 가지는 필드들을 정의
+	private Long userId;
+	private Long id;
+	private String title;
+	private Boolean completed;
 
-    public String getTitle() {
-        return null;
-    }
+	public String getTitle() {
+		return title;
+	}
 }

spring-http-client-1/initial/src/main/java/cholog/TodoClientWithRestClient.java

@@ -1,25 +1,33 @@
 package cholog;
 
-import org.springframework.web.client.RestClient;
-
-import java.util.Collections;
 import java.util.List;
 
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.client.RestClient;
+
 public class TodoClientWithRestClient {
-    private final RestClient restClient;
+	private final RestClient restClient;
 
-    public TodoClientWithRestClient(RestClient restClient) {
-        this.restClient = restClient;
-    }
+	public TodoClientWithRestClient(RestClient restClient) {
+		this.restClient = restClient;
+	}
 
-    public List<Todo> getTodos() {
-        // TODO: restClient의 get 메서드를 사용하여 요청을 보내고 결과를 Todo 리스트로 변환하여 반환
-        return Collections.emptyList();
-    }
+	public List<Todo> getTodos() {
+		return restClient.get()
+			.uri("/todos")
+			.retrieve()
+			.body(new ParameterizedTypeReference<>() {
+			});
+	}
 
-    public Todo getTodoById(Long id) {
-        // TODO: restClient의 get 메서드를 사용하여 요청을 보내고 결과를 Todo로 변환하여 반환
-        // TODO: 존재하지 않는 id로 요청을 보낼 경우 TodoException.NotFound 예외를 던짐
-        return new Todo();
-    }
+	public Todo getTodoById(Long id) {
+		return restClient.get()
+			.uri("/todos/{id}", id)
+			.retrieve()
+			.onStatus(HttpStatus.NOT_FOUND::equals, (request, response) -> {
+				throw new TodoException.NotFound(id);
+			})
+			.body(Todo.class);
+	}
 }

spring-http-client-1/initial/src/main/java/cholog/TodoClientWithRestTemplate.java

@@ -1,17 +1,25 @@
 package cholog;
 
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestTemplate;
 
 public class TodoClientWithRestTemplate {
-    private final RestTemplate restTemplate;
+	private static final String TODO_URL = "http://jsonplaceholder.typicode.com/todos";
 
-    public TodoClientWithRestTemplate(RestTemplate restTemplate) {
-        this.restTemplate = restTemplate;
-    }
+	private final RestTemplate restTemplate;
 
-    public Todo getTodoById(Long id) {
-        // TODO: restTemplate을 사용하여 요청을 보내고 결과를 Todo로 변환하여 반환
-        // TODO: 존재하지 않는 id로 요청을 보낼 경우 TodoException.NotFound 예외를 던짐
-        return new Todo();
-    }
+	public TodoClientWithRestTemplate(RestTemplate restTemplate) {
+		this.restTemplate = restTemplate;
+	}
+
+	public Todo getTodoById(Long id) {
+		try {
+			ResponseEntity<Todo> todoResponseEntity = restTemplate.getForEntity(TODO_URL + "/" + id, Todo.class);
+
+			return todoResponseEntity.getBody();
+		} catch (RestClientException e) {
+			throw new TodoException.NotFound(id);
+		}
+	}
 }