Json Converter

build.gradle

@@ -34,6 +34,7 @@ dependencies {
     implementation 'org.zalando:spring-cloud-config-aws-kms:5.1.2'
     implementation 'com.amazonaws:aws-java-sdk-kms:1.12.429'
     implementation 'com.amazonaws:jmespath-java:1.12.468'
+    implementation group: 'org.json', name: 'json', version: '20160810'
 
     compileOnly 'org.projectlombok:lombok:1.18.26'
     developmentOnly 'org.springframework.boot:spring-boot-devtools:3.0.4'

src/main/java/com/catcher/batch/core/converter/CatcherConverter.java

@@ -0,0 +1,42 @@
+package com.catcher.batch.core.converter;
+
+import com.catcher.batch.core.dto.MovieApiResponse;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.json.JSONObject;
+
+public class CatcherConverter<T> {
+    private final String headerPath;
+    private final ObjectMapper objectMapper;
+    private final Class<T> clazz;
+
+    public CatcherConverter(Class<T> responseType, String headerPath) {
+        this.clazz = responseType;
+        this.headerPath = headerPath;
+        objectMapper = new ObjectMapper();
+    }
+
+    public T parse(String jsonMessage) {
+        JSONObject jsonObject = getJsonObject(jsonMessage);
+
+        try {
+            return objectMapper.readValue(jsonObject.toString(), clazz);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private JSONObject getJsonObject(String json) {
+        if(headerPath == null) {
+            throw new IllegalStateException();
+        }
+
+        JSONObject jsonObject = new JSONObject(json);
+        String[] subPath = headerPath.split("\\.");
+
+        for (String path : subPath) {
+            jsonObject = jsonObject.getJSONObject(path);
+        }
+        return jsonObject;
+    }
+}

src/main/java/com/catcher/batch/core/dto/MovieApiResponse.java

@@ -1,4 +1,5 @@
 package com.catcher.batch.core.dto;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -7,7 +8,7 @@
 @Setter
 @Getter
 public class MovieApiResponse {
-
+    @JsonProperty("dailyBoxOfficeList")
     private List<MovieItemDTO> response;
 
     @Getter

src/main/java/com/catcher/batch/core/service/MovieRestApiService.java

@@ -1,6 +1,7 @@
 package com.catcher.batch.core.service;
 
 import com.catcher.batch.config.RestTemplateConfig;
+import com.catcher.batch.core.converter.CatcherConverter;
 import com.catcher.batch.core.converter.JsonConverter;
 import com.catcher.batch.core.dto.MovieApiResponse;
 import com.catcher.batch.infrastructure.service.KmsService;
@@ -49,12 +50,14 @@ public MovieApiResponse getOpenApi() {
                 .encode()
                 .toUri();
 
-        ResponseEntity<HashMap> responseEntity = restTemplateConfig.restTemplate().getForEntity(apiUrl, HashMap.class);
-        HashMap<String, Object> map = (HashMap<String, Object>) responseEntity.getBody().get("boxOfficeResult");
-        List<MovieApiResponse.MovieItemDTO> movieItemDTOList = (List<MovieApiResponse.MovieItemDTO>) map.get("dailyBoxOfficeList");
-        MovieApiResponse response = new MovieApiResponse();
-        response.setResponse(movieItemDTOList);
+//        ResponseEntity<HashMap> responseEntity = restTemplateConfig.restTemplate().getForEntity(apiUrl, HashMap.class);
+//        HashMap<String, Object> map = (HashMap<String, Object>) responseEntity.getBody().get("boxOfficeResult");
+//        List<MovieApiResponse.MovieItemDTO> movieItemDTOList = (List<MovieApiResponse.MovieItemDTO>) map.get("dailyBoxOfficeList");
+//        MovieApiResponse response = new MovieApiResponse();
+//        response.setResponse(movieItemDTOList);
 
-        return response;
+        ResponseEntity<String> responseEntity = restTemplateConfig.restTemplate().getForEntity(apiUrl, String.class);
+        CatcherConverter<MovieApiResponse> movieConverter = new CatcherConverter<MovieApiResponse>(MovieApiResponse.class, "boxOfficeResult");
+        return movieConverter.parse(responseEntity.getBody());
     }
 }