[KC-108] 분석도엽 ai api호출 테스트

src/main/java/com/kamco/cd/kamcoback/config/WebClientConfig.java

@@ -1,24 +0,0 @@
-package com.kamco.cd.kamcoback.config;
-
-import io.netty.channel.ChannelOption;
-import java.time.Duration;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.http.client.reactive.ReactorClientHttpConnector;
-import org.springframework.web.reactive.function.client.WebClient;
-import reactor.netty.http.client.HttpClient;
-
-@Configuration
-public class WebClientConfig {
-
-  @Bean
-  public WebClient webClient() {
-
-    HttpClient httpClient =
-        HttpClient.create()
-            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 3000)
-            .responseTimeout(Duration.ofSeconds(5));
-
-    return WebClient.builder().clientConnector(new ReactorClientHttpConnector(httpClient)).build();
-  }
-}

src/main/java/com/kamco/cd/kamcoback/config/resttemplate/ExternalHttpClient.java

@@ -0,0 +1,30 @@
+package com.kamco.cd.kamcoback.config.resttemplate;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+
+@Component
+@RequiredArgsConstructor
+public class ExternalHttpClient {
+
+  private final RestTemplate restTemplate;
+
+  public ResponseEntity<String> exchange(
+      String url, HttpMethod method, Object body, HttpHeaders headers) {
+    HttpEntity<Object> entity = new HttpEntity<>(body, headers);
+    return restTemplate.exchange(url, method, entity, String.class);
+  }
+
+  public ExternalCallResult call(String url, HttpMethod method, Object body, HttpHeaders headers) {
+    ResponseEntity<String> res = exchange(url, method, body, headers);
+    int code = res.getStatusCodeValue();
+    return new ExternalCallResult(code, code >= 200 && code < 300, res.getBody());
+  }
+
+  public record ExternalCallResult(int statusCode, boolean success, String body) {}
+}

src/main/java/com/kamco/cd/kamcoback/config/resttemplate/RestTemplateConfig.java

@@ -0,0 +1,21 @@
+package com.kamco.cd.kamcoback.config.resttemplate;
+
+import java.time.Duration;
+import java.util.List;
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+
+  @Bean
+  public RestTemplate restTemplate(RestTemplateBuilder builder) {
+    return builder
+        .connectTimeout(Duration.ofSeconds(2))
+        .readTimeout(Duration.ofSeconds(3))
+        .additionalInterceptors(List.of(new RetryInterceptor()))
+        .build();
+  }
+}

src/main/java/com/kamco/cd/kamcoback/config/resttemplate/RetryInterceptor.java

@@ -0,0 +1,49 @@
+package com.kamco.cd.kamcoback.config.resttemplate;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+import org.springframework.http.HttpRequest;
+import org.springframework.http.client.ClientHttpRequestExecution;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+import org.springframework.http.client.ClientHttpResponse;
+
+public class RetryInterceptor implements ClientHttpRequestInterceptor {
+
+  private static final int MAX_RETRY = 3;
+  private static final long WAIT_MILLIS = 3000;
+
+  @Override
+  public ClientHttpResponse intercept(
+      HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
+
+    IOException lastException = null;
+
+    for (int attempt = 1; attempt <= MAX_RETRY; attempt++) {
+      try {
+        // HTTP 응답을 받으면(2xx/4xx/5xx 포함) 그대로 반환
+        return execution.execute(request, body);
+
+      } catch (IOException e) {
+        // 네트워크/타임아웃 등 I/O 예외만 재시도
+        lastException = e;
+      }
+
+      // 마지막 시도가 아니면 대기
+      if (attempt < MAX_RETRY) {
+        sleep();
+      }
+    }
+
+    //  마지막 예외를 그대로 던져서 원인이 로그에 남게 함
+    throw lastException;
+  }
+
+  private void sleep() throws IOException {
+    try {
+      TimeUnit.MILLISECONDS.sleep(WAIT_MILLIS);
+    } catch (InterruptedException ie) {
+      Thread.currentThread().interrupt();
+      throw new IOException("Retry interrupted", ie);
+    }
+  }
+}