OBP GwMetric API 추가

src/main/java/com/eactive/eai/rms/common/advice/EmptyJsonResponseAdviceController.java

@@ -28,7 +28,7 @@ public class EmptyJsonResponseAdviceController implements ResponseBodyAdvice<Obj
 
     @PostConstruct
     public void init() {
-        logger.info("========== EmptyJsonResponseAdviceController 로딩됨 ==========");
+        logger.debug("========== EmptyJsonResponseAdviceController 로딩됨 ==========");
     }
 
     @Override

src/main/java/com/eactive/eai/rms/common/util/EndpointLogger.java

@@ -0,0 +1,58 @@
+package com.eactive.eai.rms.common.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.stereotype.Component;
+import org.springframework.web.method.HandlerMethod;
+import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
+import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
+
+import java.util.Map;
+
+/**
+ * 서버 시작 시 등록된 HTTP 엔드포인트 목록을 로그로 출력
+ */
+@Component
+public class EndpointLogger implements ApplicationListener<ContextRefreshedEvent> {
+
+    private static final Logger log = LoggerFactory.getLogger(EndpointLogger.class);
+
+    private boolean logged = false;
+
+    @Override
+    public void onApplicationEvent(ContextRefreshedEvent event) {
+        // 중복 출력 방지 (parent/child context)
+        if (logged) {
+            return;
+        }
+
+        ApplicationContext ctx = event.getApplicationContext();
+
+        try {
+            RequestMappingHandlerMapping mapping = ctx.getBean(RequestMappingHandlerMapping.class);
+            Map<RequestMappingInfo, HandlerMethod> methods = mapping.getHandlerMethods();
+
+            log.debug("========== Registered HTTP Endpoints ({}) ==========", methods.size());
+
+            methods.entrySet().stream()
+                    .sorted((e1, e2) -> e1.getKey().toString().compareTo(e2.getKey().toString()))
+                    .forEach(entry -> { 
+                        RequestMappingInfo info = entry.getKey();
+                        HandlerMethod method = entry.getValue();
+                        log.debug("{} -> {}.{}",
+                                info.getPatternsCondition(),
+                                method.getBeanType().getSimpleName(),
+                                method.getMethod().getName());
+                    });
+
+            log.debug("========== End of Endpoints ==========");
+            logged = true;
+
+        } catch (Exception e) {
+            log.warn("Failed to log endpoints: {}", e.getMessage());
+        }
+    }
+}

src/main/java/com/eactive/eai/rms/onl/apim/obp/ObpGwMetricController.java

@@ -8,6 +8,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 
 import java.nio.charset.StandardCharsets;
@@ -27,7 +28,7 @@ public class ObpGwMetricController implements InterceptorSkipController {
     private static final Logger log = LoggerFactory.getLogger(ObpGwMetricController.class);
 
     private static final DateTimeFormatter PATH_FORMATTER =
-            DateTimeFormatter.ofPattern("yyyy-MM-dd_HH:mm:ss");
+            DateTimeFormatter.ofPattern("yyyy-MM-dd_HH:mm:ss"); 
 
     private final ObpGwMetricManService obpGwMetricManService;
 
@@ -39,15 +40,18 @@ public class ObpGwMetricController implements InterceptorSkipController {
      * 특정 시간대의 GwMetric 데이터 조회
      *
      * @param datetime 조회 시간대 (형식: yyyy-MM-dd_HH:mm:ss)
+     * @param pretty   true면 JSON 들여쓰기 적용
      * @return JSON Array
      */
     @RequestMapping(
-            value = "/kjb/gw-metrics/{datetime}",
+            value = "/kjb/gw-metrics/{datetime}.json",
             produces = "application/json;charset=utf-8"
     )
     @ResponseBody
-    public String getGwMetrics(@PathVariable("datetime") String datetime) {
-        log.debug("GwMetric 조회 요청: datetime={}", datetime);
+    public String getGwMetrics(
+            @PathVariable("datetime") String datetime,
+            @RequestParam(value = "pretty", required = false) Boolean pretty) {
+        log.debug("GwMetric 조회 요청: datetime={}, pretty={}", datetime, pretty);
         long startTime = System.currentTimeMillis();
 
         try {
@@ -59,11 +63,7 @@ public class ObpGwMetricController implements InterceptorSkipController {
             List<ObpGwMetricDTO> metrics = obpGwMetricManService.findByTimeslice(timeslice);
 
             // JSON 변환 (GSON)
-            Gson gson = new GsonBuilder()
-                    .serializeNulls()
-                    .create();
-
-            String json = gson.toJson(metrics);
+            String json = toJson(metrics, pretty);
 
             // 응답 크기 계산 (UTF-8 기준)
             int jsonBytes = json.getBytes(StandardCharsets.UTF_8).length;
@@ -85,15 +85,18 @@ public class ObpGwMetricController implements InterceptorSkipController {
      * 특정 시간대 이후의 GwMetric 데이터 조회
      *
      * @param datetime 조회 시작 시간대 (형식: yyyy-MM-dd_HH:mm:ss)
+     * @param pretty   true면 JSON 들여쓰기 적용
      * @return JSON Array (해당 시간대 이후의 모든 지표)
      */
     @RequestMapping(
-            value = "/kjb/gw-metrics/after-timeslice/{datetime}",
+            value = "/kjb/gw-metrics/after-timeslice/{datetime}.json",
             produces = "application/json;charset=utf-8"
     )
     @ResponseBody
-    public String getGwMetricsAfterTimeslice(@PathVariable("datetime") String datetime) {
-        log.debug("GwMetric after-timeslice 조회 요청: datetime={}", datetime);
+    public String getGwMetricsAfterTimeslice(
+            @PathVariable("datetime") String datetime,
+            @RequestParam(value = "pretty", required = false) Boolean pretty) {
+        log.debug("GwMetric after-timeslice 조회 요청: datetime={}, pretty={}", datetime, pretty);
         long startTime = System.currentTimeMillis();
 
         try {
@@ -105,11 +108,7 @@ public class ObpGwMetricController implements InterceptorSkipController {
             List<ObpGwMetricAfterDTO> metrics = obpGwMetricManService.findByTimesliceAfter(timeslice);
 
             // JSON 변환 (GSON)
-            Gson gson = new GsonBuilder()
-                    .serializeNulls()
-                    .create();
-
-            String json = gson.toJson(metrics);
+            String json = toJson(metrics, pretty);
 
             // 응답 크기 계산 (UTF-8 기준)
             int jsonBytes = json.getBytes(StandardCharsets.UTF_8).length;
@@ -127,6 +126,21 @@ public class ObpGwMetricController implements InterceptorSkipController {
         }
     }
 
+    /**
+     * 객체를 JSON 문자열로 변환
+     *
+     * @param object 변환할 객체
+     * @param pretty true면 들여쓰기 적용
+     * @return JSON 문자열
+     */
+    private String toJson(Object object, Boolean pretty) {
+        GsonBuilder builder = new GsonBuilder().serializeNulls();
+        if (Boolean.TRUE.equals(pretty)) {
+            builder.setPrettyPrinting();
+        }
+        return builder.create().toJson(object);
+    }
+
     /**
      * 바이트 크기를 읽기 쉬운 형식으로 변환
      * 예: 1024 -> "1.0 KB", 1048576 -> "1.0 MB"