{"id":686,"date":"2023-11-03T16:04:39","date_gmt":"2023-11-03T07:04:39","guid":{"rendered":"https:\/\/hirabay.net\/?p=686"},"modified":"2023-11-03T16:04:43","modified_gmt":"2023-11-03T07:04:43","slug":"%e3%80%90springboot-3-2%e3%81%a7%e7%99%bb%e5%a0%b4%ef%bc%81%e3%80%91restclient%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/hirabay.net\/?p=686","title":{"rendered":"\u3010SpringBoot 3.2\u3067\u767b\u5834\uff01\u3011RestClient\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"\n<p>SpringBoot 3.2\u3067RestClient\u304c\u767b\u5834\u3057\u307e\u3057\u305f\uff01<\/p>\n\n\n\n<p>\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306aHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092WebClient\u30e9\u30a4\u30af\u306b\u5b9f\u88c5\u3067\u304d\u308b\u3082\u306e\u3067\u3001SpringBoot 3.2\u4ee5\u964d\u3067\u65b0\u3057\u304fWebMvc\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306f\u3001RestClient\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u3088\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u3093\u306aRestClient\u306b\u3064\u3044\u3066\u5229\u7528\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\uff01<\/p>\n\n\n\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/c4179872\/public_html\/hirabay.net\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>110<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/c4179872\/public_html\/hirabay.net\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>115<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/c4179872\/public_html\/hirabay.net\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>122<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">\n  <li class=\"first\">\n    <a href=\"#i-0\">\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea<\/a>\n  <\/li>\n  <li>\n    <a href=\"#i-1\">\u5171\u901a\u306e\u8a2d\u5b9a<\/a>\n  <\/li>\n  <li>\n    <a href=\"#i-2\">\u30af\u30e9\u30b9\u5358\u4f53\u30c6\u30b9\u30c8<\/a>\n  <\/li>\n  <li>\n    <a href=\"#i-3\">GET\u30ea\u30af\u30a8\u30b9\u30c8<\/a>\n  <\/li>\n  <li>\n    <a href=\"#i-4\">POST\u30ea\u30af\u30a8\u30b9\u30c8<\/a>\n  <\/li>\n  <li>\n    <a href=\"#i-5\">\u30a8\u30e9\u30fc\u6642\u306e\u6319\u52d5<\/a>\n  <\/li>\n  <li>\n    <a href=\"#i-6\">\u5171\u901a\u51e6\u7406\u306e\u5b9f\u88c5\uff08interceptor\uff09<\/a>\n  <\/li>\n  <li class=\"last\">\n    <a href=\"#i-7\">RestTemplate\u304b\u3089\u306e\u79fb\u884c<\/a>\n  <\/li>\n<\/ul>\n\n      \n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea<\/h2>\n\n\n\n<p>\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u305f<code>build.gradle<\/code>\u306e\u629c\u7c8b\u3067\u3059<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-groovy\" data-file=\"build.gradle\" data-lang=\"Groovy\"><code>plugins {\n\tid 'java'\n\tid 'org.springframework.boot' version '3.2.0-RC1'\n\tid 'io.spring.dependency-management' version '1.1.3'\n}\n\ndependencies {\n\timplementation 'org.springframework.boot:spring-boot-starter-web'\n\t\/\/ RestClient\u5358\u4f53\u3067\u5229\u7528\u3057\u305f\u3044\u5834\u5408\n  \/\/ implementation 'org.springframework.boot:spring-boot-starter-web'\n\n  \/\/ \u7d30\u304b\u3044\u8a2d\u5b9a\u3092\u3059\u308b\u305f\u3081\u306bHttpClient5\u3082\u4f9d\u5b58\u306b\u8ffd\u52a0\n\timplementation 'org.apache.httpcomponents.client5:httpclient5'\n}<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">\u5171\u901a\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p>\u307e\u305a\u306f\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3082\u5171\u901a\u3067\u610f\u8b58\u3059\u308b\u3067\u3042\u308d\u3046\u8a2d\u5b9a\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>@Configuration\npublic class RestClientAutoConfiguration {\n    @Value(\"${restclient.base-url}\")\n    private String baseUrl;\n\n    @Bean\n    RestClient customRestClient(\n            ObservationRegistry observationRegistry \/\/ \u30e1\u30c8\u30ea\u30af\u30b9\u53d6\u5f97\u306e\u305f\u3081\u306eBean\n    ) {\n        var connectionConfig = ConnectionConfig.custom()\n                \/\/ TTL\u3092\u8a2d\u5b9a\n                .setTimeToLive(TimeValue.of(59, TimeUnit.SECONDS))\n                \/\/ \u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\u3092\u8a2d\u5b9a\n                .setConnectTimeout(Timeout.of(1, TimeUnit.SECONDS))\n                \/\/ \u30bd\u30b1\u30c3\u30c8\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\u3092\u8a2d\u5b9a\uff08\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068\u540c\u7fa9\uff09\n                .setSocketTimeout(Timeout.of(5, TimeUnit.SECONDS))\n                .build();\n\n        \/\/ PoolingHttpClientConnectionManager\u3092\u4f7f\u3046\u3053\u3068\u3067\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c\u30d7\u30fc\u30eb\u3055\u308c\u3066\n        \/\/ \u30ea\u30af\u30a8\u30b9\u30c8\u3054\u3068\u306b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u78ba\u7acb\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\n        var connectionManager = PoolingHttpClientConnectionManagerBuilder.create()\n                .setDefaultConnectionConfig(connectionConfig)\n                \/\/ \u5168\u30eb\u30fc\u30c8\u5408\u7b97\u306e\u6700\u5927\u63a5\u7d9a\u6570\n                .setMaxConnTotal(100)\n                \/\/ \u30eb\u30fc\u30c8\uff08\u57fa\u672c\u7684\u306b\u306f\u30c9\u30e1\u30a4\u30f3\uff09\u3054\u3068\u306e\u6700\u5927\u63a5\u7d9a\u6570\n                \/\/ !!! \u30c7\u30d5\u30a9\u30eb\u30c8\u304c\u300c5\u300d\u3067\u9ad8\u8ca0\u8377\u306b\u306f\u8010\u3048\u3089\u308c\u306a\u3044\u8a2d\u5b9a\u5024\u306a\u306e\u3067\u6ce8\u610f !!!\n                .setMaxConnPerRoute(100)\n                .build();\n\n        var httpClient = HttpClientBuilder.create()\n                .setConnectionManager(connectionManager)\n                .build();\n\n        var requestFactory = new HttpComponentsClientHttpRequestFactory(httpClient);\n        return RestClient.builder()\n                .baseUrl(baseUrl)\n                .observationRegistry(observationRegistry) \/\/ \u30e1\u30c8\u30ea\u30af\u30b9\u53d6\u5f97\u8a2d\u5b9a\n                .requestFactory(requestFactory)\n                .defaultStatusHandler(new DefaultResponseErrorHandler())\n                .build();\n    }<\/code><\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">\u30af\u30e9\u30b9\u5358\u4f53\u30c6\u30b9\u30c8<\/h2>\n\n\n\n<p>RestClient\u3092\u4f9d\u5b58\u306b\u3082\u3064\u30af\u30e9\u30b9\u306e\u5358\u4f53\u30c6\u30b9\u30c8\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p>MockRestServiceServer\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067RestClient\u3092Mock\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>    @Test\n    void test() {\n        var restClientBuilder = RestClient.builder();\n\n        MockRestServiceServer mockServer = MockRestServiceServer.bindTo(restClientBuilder).build();\n        mockServer.expect(requestTo(\"\/greeting\"))\n                .andExpect(method(HttpMethod.GET))\n                .andRespond(withSuccess().body(\"Hello World!\"));\n\n        var restClient = restClientBuilder.build();\n        var sampleClient = new SampleClient(restClient);\n        var actual = sampleClient.greeting();\n        var expected = \"Hello World!\";\n        assertThat(actual).isEqualTo(expected);\n\n        mockServer.verify();\n    }\n\n    \/\/ \u5358\u4f53\u30c6\u30b9\u30c8\u5bfe\u8c61\uff08HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30af\u30e9\u30b9\uff09\n    @RequiredArgsConstructor\n    public static class SampleClient {\n        private final RestClient restClient;\n\n        public String greeting() {\n            return restClient.get()\n                    .uri(\"\/greeting\")\n                    .retrieve()\n                    .body(String.class);\n        }\n    }<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">GET\u30ea\u30af\u30a8\u30b9\u30c8<\/h2>\n\n\n\n<p>GET\u30e1\u30bd\u30c3\u30c9\u3067\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3059\u308b\u5b9f\u88c5\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>    public String getSample() {\n        return restClient.get() \/\/ HTTP\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\n                .uri(\"\/greeting?name={name}\", Map.of(\"name\", \"hirabay\")) \/\/ \u30d1\u30b9\u3068\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\n                .retrieve() \/\/ HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\n                .body(String.class); \/\/ \u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d7\u3051\u53d6\u308b\u578b\u3092\u6307\u5b9a\n    }<\/code><\/pre><\/div>\n\n\n\n<p><code>toEntity()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u30ec\u30b9\u30dd\u30f3\u30b9Body\u4ee5\u5916\u306e\u60c5\u5831\u3092\u6271\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<br>\u203b\u3053\u308c\u306fGET\u306b\u9650\u3089\u305a\u4ed6\u306eHTTP\u30e1\u30bd\u30c3\u30c9\u3067\u3082\u5171\u901a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>    public String getEntitySample() {\n        var responseEntity = restClient.get() \/\/ HTTP\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\n                .uri(\"\/greeting?name={name}\", Map.of(\"name\", \"hirabay\")) \/\/ \u30d1\u30b9\u3068\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\n                .retrieve() \/\/ HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\n                .toEntity(String.class); \/\/ \u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d7\u3051\u53d6\u308b\u578b\u3092\u6307\u5b9a\n\n        HttpStatusCode httpStatusCode = responseEntity.getStatusCode();\n        \/\/ \u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u5229\u7528\u3057\u305f\u51e6\u7406\n\n        HttpHeaders httpHeaders = responseEntity.getHeaders();\n        \/\/ \u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u3092\u5229\u7528\u3057\u305f\u51e6\u7406\n        \n        return responseEntity.getBody();\n    }<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">POST\u30ea\u30af\u30a8\u30b9\u30c8<\/h2>\n\n\n\n<p><code>post()<\/code>\u3092\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u306e\u3068\u3001<code>body<\/code>\u30e1\u30bd\u30c3\u30c9\u3067body\u3092\u6307\u5b9a\u3059\u308c\u3070OK\uff01<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>@RequiredArgsConstructor\nclass PostMethodClient {\n    private final RestClient restClient;\n\n    public String postSample() {\n        var person = new Person(\"hirabay\");\n\n        return restClient.post() \/\/ HTTP\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\n                .uri(\"\/greeting\") \/\/ \u30d1\u30b9\u3092\u6307\u5b9a\n                .body(person)\n                .retrieve() \/\/ HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\n                .body(String.class); \/\/ \u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d7\u3051\u53d6\u308b\u578b\u3092\u6307\u5b9a\n    }\n\n    public record Person (String name) {}\n\n}\n\nclass PostMethodTest {\n    @Test\n    void test() {\n        var restClientBuilder = RestClient.builder();\n\n        MockRestServiceServer mockServer = MockRestServiceServer.bindTo(restClientBuilder).build();\n        mockServer.expect(requestTo(\"\/greeting\"))\n                .andExpect(method(HttpMethod.POST))\n                \/\/ json\u3092\u307e\u308b\u307e\u308b\u691c\u8a3c\u3059\u308b\u5834\u5408\n                .andExpect(content().json(\"\"\"\n                        {\n                            \"name\": \"hirabay\"\n                        }\n                        \"\"\"))\n                \/\/ json\u306e\u7279\u5b9a\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u691c\u8a3c\u3059\u308b\u5834\u5408\n                .andExpect(jsonPath(\"$.name\").value(\"hirabay\"))\n                .andRespond(withSuccess().body(\"Hello World!\"));\n\n        var restClient = restClientBuilder.build();\n        var postMethodClient = new PostMethodClient(restClient);\n        var actual = postMethodClient.postSample();\n        var expected = \"Hello World!\";\n        assertThat(actual).isEqualTo(expected);\n\n        mockServer.verify();\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-5\">\u30a8\u30e9\u30fc\u6642\u306e\u6319\u52d5<\/h2>\n\n\n\n<p>\u30a8\u30e9\u30fc\u6642\u306f\u3001\u767a\u751f\u8981\u56e0\u3054\u3068\u306b\u4f8b\u5916\u304c\u30b9\u30ed\u30fc\u3055\u308c\u308b\u306e\u3067\u3001try-catch\u3067\u51e6\u7406\u3059\u308b\u306e\u3068\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u697d\u306b\u5b9f\u88c5\u3067\u304d\u308b\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>        try {\n            restClient.get()\n                    .uri(\"\/greeting\")\n                    .retrieve()\n                    .body(String.class);\n        } catch (HttpClientErrorException httpClientErrorException) {\n            \/\/ 4xx\u7cfb\u306eHTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u5e30\u3063\u3066\u304d\u305f\u5834\u5408\u306e\u51e6\u7406\n        } catch (HttpServerErrorException httpServerErrorException) {\n            \/\/ 5xx\u7cfb\u306eHTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u5e30\u3063\u3066\u304d\u305f\u5834\u5408\u306e\u51e6\u7406\n        } catch (HttpStatusCodeException httpStatusCodeException) {\n            \/\/ HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u3042\u308b\u30a8\u30e9\u30fc\u304c\u5e30\u3063\u3066\u304d\u305f\u5834\u5408\u306e\u51e6\u7406\n            \/\/ HttpClientErrorException + HttpServerErrorException\u306e\u30a4\u30e1\u30fc\u30b8\n            var statusCode = httpStatusCodeException.getStatusCode(); \/\/ \u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306e\u53d6\u5f97\n            var errorBoyd = httpStatusCodeException.getResponseBodyAs(String.class); \/\/ \u30ec\u30b9\u30dd\u30f3\u30b9Body\u306e\u53d6\u5f97\n        } catch (ResourceAccessException resourceAccessException) {\n            \/\/ \u901a\u4fe1\u30a8\u30e9\u30fc\u7cfb\u306e\u51e6\u7406\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u8a3c\u660e\u66f8\u30a8\u30e9\u30fc\u7b49\uff09\n        }<\/code><\/pre><\/div>\n\n\n\n<p>WebClient\u30e9\u30a4\u30af\u306b\u66f8\u3053\u3046\u3068\u3059\u308b\u3068<code>onStatus()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u30a8\u30e9\u30fc\u6642\u306e\u6319\u52d5\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>        restClient.get()\n                .uri(\"\/greeting\")\n                .retrieve()\n                .onStatus(HttpStatusCode::isError, (request, response) -&gt; {\n                    \/\/ \u30a8\u30e9\u30fc\u6642\u306e\u51e6\u7406\n                    \/\/ \u4f8b\uff09\u4e00\u822c\u7684\u306a\u4f8b\u5916\u3084\u72ec\u81ea\u306e\u696d\u52d9\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\n                    throw new RuntimeException();\n                })\n                .body(String.class);<\/code><\/pre><\/div>\n\n\n\n<p>\u3082\u3057\u304f\u306f<code>ResponseErrorHandler<\/code>\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><code>ResponseErrorHandler<\/code>\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u5074\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b<code>DefaultResponseErrorHandler<\/code>\u3092\u62e1\u5f35\u3059\u308b\u3068\u5b9f\u88c5\u304c\u697d\u304b\u306a\u3068\u601d\u3044\u307e\u3059\uff08body\u3092\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u304b\u304c\u63c3\u3063\u3066\u3044\u305f\u308a\u3059\u308b\u306e\u3067\uff09<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>        restClient.get()\n                .uri(\"\/greeting\")\n                .retrieve()\n                \/\/ HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30a8\u30e9\u30fc\u7cfb\u3092\u5168\u3066\u30a8\u30e9\u30fc\u6271\u3044\u305b\u305a2xx\u3068\u540c\u3058\u3088\u3046\u306b\u30ec\u30b9\u30dd\u30f3\u30b9\u53d6\u5f97\u3059\u308b\u4f8b\n                .onStatus(new DefaultResponseErrorHandler() {\n                    @Override\n                    public boolean hasError(HttpStatusCode statusCode) {\n                        return false;\n                    }\n                })\n                .body(String.class);<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">\u5171\u901a\u51e6\u7406\u306e\u5b9f\u88c5\uff08interceptor\uff09<\/h2>\n\n\n\n<p>interceptor\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u4f8b\u3048\u3070\u30d8\u30c3\u30c0\u3092\u4ed8\u4e0e\u3059\u308b\u7b49\u306e\u51e6\u7406\u3092\u4f7f\u3044\u307e\u308f\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u30d8\u30c3\u30c0\u3092\u8ffd\u52a0\u3059\u308b\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>public class SampleClientHttpRequestInterceptor implements ClientHttpRequestInterceptor {\n    @Override\n    public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution exec) throws IOException {\n        request.getHeaders().set(\"sample\", \"sample value\");\n        return exec.execute(request, body);\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>var restClientBuilder = RestClient.builder()\n        \/\/ \u5358\u7d14\u306a\u8ffd\u52a0\u306e\u5834\u5408\n        .requestInterceptor(new SampleClientHttpRequestInterceptor(\"sample value\"))\n        \/\/ \u65e2\u5b58\u306einterceptor\u3092\u30af\u30ea\u30a2\u3057\u305f\u308a\u3001\u9806\u5e8f\u3092\u8abf\u6574\u3057\u305f\u3044\u5834\u5408\n        .requestInterceptors(interceptors -&gt; {\n            interceptors.clear();\n            interceptors.add(new SampleClientHttpRequestInterceptor(\"sample value\"));\n        });<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">RestTemplate\u304b\u3089\u306e\u79fb\u884c<\/h2>\n\n\n\n<p>\u3059\u3067\u306bRestTemplate\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3067\u3001RestClient\u3092\u4f7f\u3063\u3066\u307f\u305f\u3044\u5834\u5408\u306f\u3001<br>RestTemplate\u3092\u30d9\u30fc\u30b9\u306bRestClient\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-java\" data-lang=\"Java\"><code>RestTemplate restTemplate = new RestTemplateBuilder()\n        .build();\n\nRestClient restClient = RestClient.builder(restTemplate) \/\/ builder\u306b\u65e2\u5b58\u306erestTemplate\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\n        .build();<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>SpringBoot 3.2\u3067RestClient\u304c\u767b\u5834\u3057\u307e\u3057\u305f\uff01 \u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306aHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092WebClient\u30e9\u30a4\u30af\u306b\u5b9f\u88c5\u3067\u304d\u308b\u3082\u306e\u3067\u3001SpringBoot 3.2\u4ee5\u964d\u3067\u65b0\u3057\u304fWebMvc\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306f\u3001Re &#8230; <\/p>\n","protected":false},"author":1,"featured_media":688,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[108,13,107],"class_list":{"0":"post-686","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-6","8":"tag-restclient","9":"tag-springboot","10":"tag-springboot3-2"},"jetpack_featured_media_url":"https:\/\/hirabay.net\/wp-content\/uploads\/2023\/11\/a11b4bb3ba448d1fa402ac3dc62cc91f.png","_links":{"self":[{"href":"https:\/\/hirabay.net\/index.php?rest_route=\/wp\/v2\/posts\/686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hirabay.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hirabay.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hirabay.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hirabay.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=686"}],"version-history":[{"count":2,"href":"https:\/\/hirabay.net\/index.php?rest_route=\/wp\/v2\/posts\/686\/revisions"}],"predecessor-version":[{"id":690,"href":"https:\/\/hirabay.net\/index.php?rest_route=\/wp\/v2\/posts\/686\/revisions\/690"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hirabay.net\/index.php?rest_route=\/wp\/v2\/media\/688"}],"wp:attachment":[{"href":"https:\/\/hirabay.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hirabay.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hirabay.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}