\ucc38\uc870<\/a><\/p>\n Rest API \ud638\ucd9c\uacfc Json \uc744 \ud074\ub798\uc2a4\ub85c \uc790\ub3d9\ubcc0\ud658\uae4c\uc9c0 \ud574\uc8fc\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc774\ub2e4.<\/p>\n \ucca8 JPA \uc811\ud588\uc744 \ub54c, \ub531 \uadf8\ub290\ub08c\uc774\ub2e4. \ub354\uad70\ub2e4\ub098, \ud5d0… Feign Client \ucc38\uc870 Rest API \ud638\ucd9c\uacfc Json \uc744 \ud074\ub798\uc2a4\ub85c \uc790\ub3d9\ubcc0\ud658\uae4c\uc9c0 \ud574\uc8fc\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc774\ub2e4. \uc758\uc874\uc131 dependencies { implementation 'org.springframework.cloud:spring-cloud-openfeign-core:3.1.5' implementation 'org.springframework.cloud:spring-cloud-starter-openfeign:3.1.5' # compile("org.springframework.cloud:spring-cloud-starter-openfeign") } \ud65c\uc131\ud654 @EnableFeignClients @SpringBootApplication public class HelloApplication { public static void main(String[] args) { SpringApplication.run(HelloApplication.class, args); } } \uc124\uc815 public class FeignClientConfig implements Jackson2ObjectMapperBuilderCustomizer { private static final Logger log = LoggerFactory.getLogger(FeignClientConfig.class); public FeignClientConfig()\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-5877","post","type-post","status-publish","format-standard","hentry","category-spring-boot-2-5"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5877"}],"version-history":[{"count":13,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5877\/revisions"}],"predecessor-version":[{"id":7591,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5877\/revisions\/7591"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\uc758\uc874\uc131<\/h2>\n
dependencies {\n implementation 'org.springframework.cloud:spring-cloud-openfeign-core:3.1.5'\n implementation 'org.springframework.cloud:spring-cloud-starter-openfeign:3.1.5'\n # compile("org.springframework.cloud:spring-cloud-starter-openfeign")\n}<\/code><\/pre>\n\ud65c\uc131\ud654<\/h2>\n
@EnableFeignClients\n@SpringBootApplication\npublic class HelloApplication {\n public static void main(String[] args) {\n SpringApplication.run(HelloApplication.class, args);\n }\n}<\/code><\/pre>\n\uc124\uc815<\/h2>\n
public class FeignClientConfig implements Jackson2ObjectMapperBuilderCustomizer {\n private static final Logger log = LoggerFactory.getLogger(FeignClientConfig.class);\n\n public FeignClientConfig() {\n }\n\n @Bean\n public FeignFormatterRegistrar localDateFeignFormatterRegister() {\n return (registry) -> {\n DateTimeFormatterRegistrar registrar = new DateTimeFormatterRegistrar();\n registrar.setUseIsoFormat(true);\n registrar.registerFormatters(registry);\n };\n }\n\n @Bean\n public FeignErrorDecoder decoder() {\n return new FeignErrorDecoder();\n }\n\n public void customize(Jackson2ObjectMapperBuilder jacksonObjectMapperBuilder) {\n jacksonObjectMapperBuilder\n .featuresToEnable(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL)\n .featuresToDisable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)\n .timeZone(TimeZone.getDefault())\n .modulesToInstall(new Module[]{new JavaTimeModule()})\n .locale(Locale.getDefault()).simpleDateFormat("yyyy-MM-dd HH:mm:ss");\n }\n}<\/code><\/pre>\npublic class FeignRetryConfig {\n @Value("${feign.retry.period}")\n private long period;\n @Value("${feign.retry.max-period}")\n private long maxPeriod;\n @Value("${feign.retry.max-attempt}")\n private int maxAttempt;\n\n public FeignRetryConfig() {\n }\n\n @Bean\n public Retryer retryer() {\n return new Retryer.Default(this.period, this.maxPeriod, this.maxAttempt);\n }\n}<\/code><\/pre>\npublic class FeignErrorDecoder implements ErrorDecoder {\n @Override\n public Exception decode(String methodKey, Response response) {\n switch (response.status()){\n case 400:\n break;\n case 404:\n if(methodKey.contains("getOrders")){\n return new ResponseStatusException(HttpStatus.valueOf(response.status()),\n "User's orders is empty.");\n }\n break;\n default:\n return new Exception(response.reason());\n }\n return null;\n }\n}<\/code><\/pre>\n\uc11c\ube44\uc2a4<\/h2>\n
@FeignClient(name = "HELLO-SERVICE",configuration = {FeignClientConfig.class, FeignRetryConfig.class})\npublic interface HelloService {\n @GetMapping("\/hello\/{itemId}")\n HelloModel getHelloByItemId(@PathVariable("itemId") String itemId);\n\n @PostMapping("\/hello\/basic")\n ProductDetailBasicResponseModel fetchHello(\n @RequestBody List<ItemidOnlyDto> req\n );\n}<\/code><\/pre>\nHeader \ubd99\uc774\uae30<\/h2>\n
\ud2b9\uc815 \uba54\uc18c\ub4dc\uc5d0\ub9cc \ubd99\uc774\uae30<\/h3>\n
@FeignClient(name = "HELLO-SERVICE",configuration = {FeignClientConfig.class, FeignRetryConfig.class})\npublic interface HelloService {\n @GetMapping("\/hello\/{itemId}")\n HelloModel getHelloByItemId(@PathVariable("itemId") String itemId);\n\n @PostMapping("\/hello\/basic")\n ProductDetailBasicResponseModel fetchHello(\n @RequestHeader("X-Auth-Token") String accessToken,\n @RequestBody List<ItemidOnlyDto> req\n );\n}<\/code><\/pre>\n\ubaa8\ub4e0 \uba54\uc18c\ub4dc\uc5d0 \ubd99\uc774\uae30<\/h3>\n
RequestInterceptor<\/code> \ub97c \uad6c\ud604\ud574 \uc90c\uc73c\ub85c \ud574\uc11c,
\n\ubaa8\ub4e0 Feign Client method \uc5d0 header \uac00 \uc790\ub3d9\uc73c\ub85c \ubd99\ub294\ub2e4.<\/p>\n@Component\npublic class FeignRequestInterceptor implements RequestInterceptor {\n private static final String X_AUTH_TOKEN = "X-Auth-Token";\n @Override\n public void apply(RequestTemplate requestTemplate) {\n ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();\n if (requestAttributes == null) {\n return;\n }\n HttpServletRequest request = requestAttributes.getRequest();\n LoginInfo loginInfo = (LoginInfo) request.getAttribute("loginInfo");\n if (loginInfo == null) {\n return;\n }\n\n requestTemplate.header(X_AUTH_TOKEN, loginInfo.getBrowser());\n }\n}<\/code><\/pre>\n\ud6c4\uae30<\/h2>\n
\n\uba85\ub839 \ud558\ub098 \ud638\ucd9c\ud558\uba74,
\n\uc9c0 \ud63c\uc790 \ucffc\ub9ac \uc791\uc131\ud574\uc11c \ud638\ucd9c\ud558\uace0 \ub9ac\ud134\uac12 \ubc1b\uc544\uc11c \uc5d4\ud130\ud2f0\uc5d0 \ucc44\uc6cc\uc8fc\uace0…
\n\uc2e0\uae30\ud588\ub294\ub370…<\/p>\n
\n\uba85\ub839 \ud558\ub098 \ud638\ucd9c\ud558\uba74,
\n\uc9c0 \ud63c\uc790 RequestBody \uc0dd\uc131\ud574\uc11c url \ud638\ucd9c\ud558\uace0,
\n\ub9ac\ud134 json \ubc1b\uc544\uc11c response class \uc5d0 \ub9e4\ud551\uae4c\uc9c0 \ud574\uc900\ub2e4.
\n\uc2ec\uc9c0\uc5b4 \uc11c\ubc84\uac00 \uc8fd\uc5b4 \uc788\uc73c\uba74 retry \uae4c\uc9c0\ub3c4 \ud574\uc900\ub2e4.<\/p>\n
\nlearning curve \ub77c\ub294 \ub2e8\uc5b4 \uc4f0\ub294\uac8c \ubbfc\ub9dd\ud560 \uc815\ub3c4\ub85c \uc27d\ub2e4.<\/p>\n
\n(\uba38\ub9ac\uac00 \ub098\uc058\uba74 \uc190\uac00\ub77d\uc774 \uace0\uc0dd\ud55c\ub2e4.)<\/p>\n","protected":false},"excerpt":{"rendered":"