From 2bf88262b73fa6aeefaf0eecb5fefe2bd6c67016 Mon Sep 17 00:00:00 2001
From: Colt <zhfxmtkachdt@daum.net>
Date: Fri, 28 Oct 2022 20:06:20 +0900
Subject: [PATCH] =?UTF-8?q?feat=20:=20=EA=B2=8C=EC=8B=9C=EA=B8=80=20?=
 =?UTF-8?q?=EC=A1=B0=ED=9A=8C=20FeignClient=20=EC=BB=B4=ED=8F=AC=EB=84=8C?=
 =?UTF-8?q?=ED=8A=B8=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../SpringCloudOpenFeignApplication.kt        |  2 ++
 .../configuration/FeignConfiguration.kt       | 15 +++++++++++++
 .../com/banjjoknim/springcloudopenfeign/domain/Post.kt |  8 +++++++
 .../springcloudopenfeign/domain/PostClient.kt | 15 +++++++++++++
 .../springcloudopenfeign/domain/PostController.kt | 21 +++++++++++++++++++
 5 files changed, 61 insertions(+)
 create mode 100644 놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/configuration/FeignConfiguration.kt
 create mode 100644 놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/Post.kt
 create mode 100644 놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostClient.kt
 create mode 100644 놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostController.kt

diff --git a/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/SpringCloudOpenFeignApplication.kt b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/SpringCloudOpenFeignApplication.kt
index 45f98b0..d80c147 100644
--- a/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/SpringCloudOpenFeignApplication.kt	
+++ b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/SpringCloudOpenFeignApplication.kt	
@@ -2,7 +2,9 @@ package com.banjjoknim.springcloudopenfeign
 
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
+import org.springframework.cloud.openfeign.EnableFeignClients
 
+@EnableFeignClients
 @SpringBootApplication
 class SpringCloudOpenFeignApplication
 
diff --git a/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/configuration/FeignConfiguration.kt b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/configuration/FeignConfiguration.kt
new file mode 100644
index 0000000..02a1512
--- /dev/null
+++ b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/configuration/FeignConfiguration.kt	
@@ -0,0 +1,15 @@
+package com.banjjoknim.springcloudopenfeign.configuration
+
+import com.fasterxml.jackson.databind.DeserializationFeature
+import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer
+import org.springframework.context.annotation.Configuration
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder
+
+@Configuration
+class FeignConfiguration : Jackson2ObjectMapperBuilderCustomizer {
+    override fun customize(jacksonObjectMapperBuilder: Jackson2ObjectMapperBuilder) {
+        jacksonObjectMapperBuilder
+            .featuresToEnable(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL)
+            .featuresToDisable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
+    }
+}
diff --git a/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/Post.kt b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/Post.kt
new file mode 100644
index 0000000..bb43f31
--- /dev/null
+++ b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/Post.kt	
@@ -0,0 +1,8 @@
+package com.banjjoknim.springcloudopenfeign.domain
+
+data class Post(
+    val userId: Long,
+    val id: Long,
+    val title: String,
+    val completed: Boolean
+)
diff --git a/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostClient.kt b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostClient.kt
new file mode 100644
index 0000000..e37a6bb
--- /dev/null
+++ b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostClient.kt	
@@ -0,0 +1,15 @@
+package com.banjjoknim.springcloudopenfeign.domain
+
+import org.springframework.cloud.openfeign.FeignClient
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+
+@FeignClient(value = "postClient", url = "https://jsonplaceholder.typicode.com/")
+interface PostClient {
+
+    @GetMapping("/posts")
+    fun findPosts(): List<Post>
+
+    @GetMapping("/posts/{postId}")
+    fun findPost(@PathVariable postId: Long): Post
+}
diff --git a/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostController.kt b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostController.kt
new file mode 100644
index 0000000..4d4823f
--- /dev/null
+++ b/놀이터(예제 코드 작성)/spring-cloud-open-feign/src/main/kotlin/com/banjjoknim/springcloudopenfeign/domain/PostController.kt	
@@ -0,0 +1,21 @@
+package com.banjjoknim.springcloudopenfeign.domain
+
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+class PostController(
+    private val postClient: PostClient
+) {
+
+    @GetMapping("/posts")
+    fun posts(): List<Post> {
+        return postClient.findPosts()
+    }
+
+    @GetMapping("/posts/{postId}")
+    fun post(@PathVariable postId: Long): Post {
+        return postClient.findPost(postId)
+    }
+}