HYOJIN
6391683959
- Controller는 항상 재생성 (모든 엔드포인트 합산 파일) - Service/DTO는 이미 존재하면 스킵, force=true면 재생성 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
517 lines
23 KiB
Java
517 lines
23 KiB
Java
package com.snp.batch.service;
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import com.snp.batch.global.dto.CodeGenerationResult;
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import com.snp.batch.global.model.BypassApiConfig;
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import com.snp.batch.global.model.BypassApiField;
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import com.snp.batch.global.model.BypassApiParam;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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/**
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* BYPASS API Java 소스 코드를 자동 생성하는 서비스.
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* 같은 도메인의 N개 설정을 받아 N개의 DTO + Service와 1개의 Controller를 생성합니다.
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*/
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@Slf4j
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@Service
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public class BypassCodeGenerator {
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private static final String BASE_PACKAGE = "com.snp.batch.jobs.web";
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/**
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* 같은 도메인의 BYPASS API 코드를 생성합니다.
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* 엔드포인트별 DTO/Service를 각각 생성하고, Controller 1개에 모든 엔드포인트 메서드를 합칩니다.
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*
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* @param configs 같은 domainName을 가진 설정 목록
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* @param force 기존 파일 덮어쓰기 여부
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* @return 생성 결과
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*/
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public CodeGenerationResult generate(List<BypassApiConfig> configs, boolean force) {
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if (configs == null || configs.isEmpty()) {
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throw new IllegalArgumentException("생성할 설정이 없습니다.");
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}
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String projectRoot = System.getProperty("user.dir");
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String domain = configs.get(0).getDomainName();
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String basePath = projectRoot + "/src/main/java/com/snp/batch/jobs/web/" + domain;
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List<String> dtoPaths = new ArrayList<>();
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List<String> servicePaths = new ArrayList<>();
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for (BypassApiConfig config : configs) {
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String endpointName = config.getEndpointName();
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String dtoPath = basePath + "/dto/" + endpointName + "Dto.java";
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String servicePath = basePath + "/service/" + endpointName + "Service.java";
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// Service/DTO: 이미 존재하면 스킵 (force=true면 재생성)
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if (!force && Files.exists(Path.of(dtoPath))) {
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log.info("DTO 파일 이미 존재, 스킵: {}", dtoPath);
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dtoPaths.add(dtoPath);
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} else {
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String dtoCode = generateDtoCode(domain, endpointName, config.getFields());
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Path dtoFilePath = writeFile(dtoPath, dtoCode, true);
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dtoPaths.add(dtoFilePath.toString());
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}
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if (!force && Files.exists(Path.of(servicePath))) {
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log.info("Service 파일 이미 존재, 스킵: {}", servicePath);
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servicePaths.add(servicePath);
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} else {
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String serviceCode = generateServiceCode(domain, endpointName, config, config.getParams());
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Path serviceFilePath = writeFile(servicePath, serviceCode, true);
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servicePaths.add(serviceFilePath.toString());
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}
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}
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// Controller: 모든 엔드포인트를 합치므로 항상 재생성
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String controllerCode = generateControllerCode(domain, configs);
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String domainCapitalized = capitalize(domain);
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Path controllerFilePath = writeFile(
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basePath + "/controller/" + domainCapitalized + "Controller.java", controllerCode, true);
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log.info("코드 생성 완료 - domain: {}, endpoints: {}, controller: {}",
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domain, configs.stream().map(BypassApiConfig::getEndpointName).toList(), controllerFilePath);
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return CodeGenerationResult.builder()
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.controllerPath(controllerFilePath.toString())
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.servicePaths(servicePaths)
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.dtoPaths(dtoPaths)
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.message("코드 생성 완료. 서버를 재시작하면 새 API가 활성화됩니다.")
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.build();
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}
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/**
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* DTO 코드 생성.
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* endpointName 기반 클래스명: {EndpointName}Dto
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*/
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private String generateDtoCode(String domain, String endpointName, List<BypassApiField> fields) {
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String packageName = BASE_PACKAGE + "." + domain + ".dto";
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boolean needsLocalDateTime = fields.stream()
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.anyMatch(f -> "LocalDateTime".equals(f.getFieldType()));
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StringBuilder imports = new StringBuilder();
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imports.append("import com.fasterxml.jackson.annotation.JsonProperty;\n");
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imports.append("import lombok.AllArgsConstructor;\n");
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imports.append("import lombok.Builder;\n");
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imports.append("import lombok.Getter;\n");
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imports.append("import lombok.NoArgsConstructor;\n");
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imports.append("import lombok.Setter;\n");
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if (needsLocalDateTime) {
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imports.append("import java.time.LocalDateTime;\n");
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}
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StringBuilder fieldLines = new StringBuilder();
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for (BypassApiField field : fields) {
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String jsonProp = field.getJsonProperty() != null ? field.getJsonProperty() : field.getFieldName();
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fieldLines.append(" @JsonProperty(\"").append(jsonProp).append("\")\n");
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fieldLines.append(" private ").append(field.getFieldType()).append(" ").append(field.getFieldName()).append(";\n\n");
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}
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return """
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package {{PACKAGE}};
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{{IMPORTS}}
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@Getter
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@Setter
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@Builder
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@NoArgsConstructor
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@AllArgsConstructor
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public class {{CLASS_NAME}} {
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{{FIELDS}}}
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"""
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.replace("{{PACKAGE}}", packageName)
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.replace("{{IMPORTS}}", imports.toString())
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.replace("{{CLASS_NAME}}", endpointName + "Dto")
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.replace("{{FIELDS}}", fieldLines.toString());
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}
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/**
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* Service 코드 생성.
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* endpointName 기반 클래스명: {EndpointName}Service
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* BaseBypassService<{EndpointName}Dto>를 상속합니다.
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*/
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private String generateServiceCode(String domain, String endpointName,
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BypassApiConfig config, List<BypassApiParam> params) {
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String packageName = BASE_PACKAGE + "." + domain + ".service";
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String dtoPackage = BASE_PACKAGE + "." + domain + ".dto";
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String dtoClass = endpointName + "Dto";
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String serviceClass = endpointName + "Service";
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boolean isList = "LIST".equalsIgnoreCase(config.getResponseType());
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boolean isPost = "POST".equalsIgnoreCase(config.getHttpMethod());
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String returnType = isList ? "List<" + dtoClass + ">" : dtoClass;
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String methodName = "get" + endpointName + "Data";
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String fetchMethod = buildFetchMethodCall(config, params, isList, isPost);
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String methodParams = buildMethodParams(params);
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String listImport = isList ? "import java.util.List;\n" : "";
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return """
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package {{PACKAGE}};
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import {{DTO_IMPORT}};
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import com.snp.batch.common.web.service.BaseBypassService;
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{{LIST_IMPORT}}import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.core.ParameterizedTypeReference;
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import org.springframework.stereotype.Service;
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import org.springframework.web.reactive.function.client.WebClient;
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/**
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* {{DISPLAY_NAME}} bypass 서비스
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* 외부 Maritime API에서 데이터를 실시간 조회하여 그대로 반환
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*/
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@Service
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public class {{SERVICE_CLASS}} extends BaseBypassService<{{DTO_CLASS}}> {
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public {{SERVICE_CLASS}}(
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@Qualifier("{{WEBCLIENT_BEAN}}") WebClient webClient) {
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super(webClient, "{{EXTERNAL_PATH}}", "{{DISPLAY_NAME}}",
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new ParameterizedTypeReference<>() {},
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new ParameterizedTypeReference<>() {});
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}
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/**
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* {{DISPLAY_NAME}} 데이터를 조회합니다.
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*
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* @return {{DISPLAY_NAME}}
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*/
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public {{RETURN_TYPE}} {{METHOD_NAME}}({{METHOD_PARAMS}}) {
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{{FETCH_METHOD}}
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}
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}
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"""
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.replace("{{PACKAGE}}", packageName)
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.replace("{{DTO_IMPORT}}", dtoPackage + "." + dtoClass)
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.replace("{{LIST_IMPORT}}", listImport)
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.replace("{{DISPLAY_NAME}}", config.getDisplayName())
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.replace("{{SERVICE_CLASS}}", serviceClass)
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.replace("{{DTO_CLASS}}", dtoClass)
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.replace("{{WEBCLIENT_BEAN}}", config.getWebclientBean())
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.replace("{{EXTERNAL_PATH}}", config.getExternalPath())
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.replace("{{RETURN_TYPE}}", returnType)
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.replace("{{METHOD_NAME}}", methodName)
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.replace("{{METHOD_PARAMS}}", methodParams)
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.replace("{{FETCH_METHOD}}", fetchMethod);
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}
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/**
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* Controller 코드 생성.
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* 같은 도메인의 모든 설정을 합쳐 하나의 Controller에 N개의 엔드포인트 메서드를 생성합니다.
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*/
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private String generateControllerCode(String domain, List<BypassApiConfig> configs) {
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String packageName = BASE_PACKAGE + "." + domain + ".controller";
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String servicePackage = BASE_PACKAGE + "." + domain + ".service";
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String dtoPackage = BASE_PACKAGE + "." + domain + ".dto";
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String domainCap = capitalize(domain);
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String requestMappingPath = "/api/" + domain;
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// imports 합산 (중복 제거)
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Set<String> importSet = new LinkedHashSet<>();
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importSet.add("import com.snp.batch.common.web.ApiResponse;");
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importSet.add("import com.snp.batch.common.web.controller.BaseBypassController;");
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importSet.add("import io.swagger.v3.oas.annotations.Operation;");
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importSet.add("import io.swagger.v3.oas.annotations.Parameter;");
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importSet.add("import io.swagger.v3.oas.annotations.tags.Tag;");
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importSet.add("import lombok.RequiredArgsConstructor;");
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importSet.add("import org.springframework.http.ResponseEntity;");
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importSet.add("import org.springframework.web.bind.annotation.RequestMapping;");
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importSet.add("import org.springframework.web.bind.annotation.RestController;");
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boolean anyList = configs.stream().anyMatch(c -> "LIST".equalsIgnoreCase(c.getResponseType()));
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boolean anyPost = configs.stream().anyMatch(c -> "POST".equalsIgnoreCase(c.getHttpMethod()));
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boolean anyGet = configs.stream().anyMatch(c -> !"POST".equalsIgnoreCase(c.getHttpMethod()));
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boolean anyPath = configs.stream()
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.anyMatch(c -> c.getParams().stream().anyMatch(p -> "PATH".equalsIgnoreCase(p.getParamIn())));
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boolean anyQuery = configs.stream()
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.anyMatch(c -> c.getParams().stream().anyMatch(p -> "QUERY".equalsIgnoreCase(p.getParamIn())));
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boolean anyBody = configs.stream()
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.anyMatch(c -> c.getParams().stream().anyMatch(p -> "BODY".equalsIgnoreCase(p.getParamIn())));
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if (anyList) {
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importSet.add("import java.util.List;");
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}
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if (anyPost) {
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importSet.add("import org.springframework.web.bind.annotation.PostMapping;");
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}
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if (anyGet) {
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importSet.add("import org.springframework.web.bind.annotation.GetMapping;");
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}
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if (anyPath) {
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importSet.add("import org.springframework.web.bind.annotation.PathVariable;");
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}
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if (anyQuery) {
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importSet.add("import org.springframework.web.bind.annotation.RequestParam;");
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}
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if (anyBody) {
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importSet.add("import org.springframework.web.bind.annotation.RequestBody;");
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}
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for (BypassApiConfig config : configs) {
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String endpointName = config.getEndpointName();
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importSet.add("import " + dtoPackage + "." + endpointName + "Dto;");
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importSet.add("import " + servicePackage + "." + endpointName + "Service;");
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}
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String importsStr = importSet.stream().collect(Collectors.joining("\n"));
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// 필드 선언부
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StringBuilder fields = new StringBuilder();
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for (BypassApiConfig config : configs) {
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String endpointName = config.getEndpointName();
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String serviceClass = endpointName + "Service";
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String serviceField = Character.toLowerCase(serviceClass.charAt(0)) + serviceClass.substring(1);
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fields.append(" private final ").append(serviceClass).append(" ").append(serviceField).append(";\n");
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}
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// 태그 description은 첫 번째 config의 webclientBean 기준
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String tagPrefix = getTagPrefix(configs.get(0).getWebclientBean());
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String tagDescription = tagPrefix + " " + domainCap + " bypass API";
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// 엔드포인트 메서드 목록
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StringBuilder methods = new StringBuilder();
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for (BypassApiConfig config : configs) {
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String endpointName = config.getEndpointName();
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String dtoClass = endpointName + "Dto";
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String serviceClass = endpointName + "Service";
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String serviceField = Character.toLowerCase(serviceClass.charAt(0)) + serviceClass.substring(1);
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boolean isList = "LIST".equalsIgnoreCase(config.getResponseType());
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boolean isPost = "POST".equalsIgnoreCase(config.getHttpMethod());
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String responseGeneric = isList ? "List<" + dtoClass + ">" : dtoClass;
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String mappingAnnotation = isPost ? "@PostMapping" : "@GetMapping";
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String mappingPath = buildMappingPath(config.getParams(), config.getExternalPath());
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String paramAnnotations = buildControllerParamAnnotations(config.getParams());
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String serviceCallArgs = buildServiceCallArgs(config.getParams());
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String methodName = "get" + endpointName + "Data";
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methods.append("\n");
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methods.append(" @Operation(\n");
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methods.append(" summary = \"").append(config.getDisplayName()).append(" 조회\",\n");
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methods.append(" description = \"S&P API에서 ").append(config.getDisplayName())
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.append(" 데이터를 요청하고 응답을 그대로 반환합니다.\"\n");
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methods.append(" )\n");
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methods.append(" ").append(mappingAnnotation).append(mappingPath).append("\n");
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methods.append(" public ResponseEntity<ApiResponse<").append(responseGeneric).append(">> ")
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.append(methodName).append("(");
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if (!paramAnnotations.isEmpty()) {
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methods.append(paramAnnotations);
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}
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methods.append(") {\n");
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methods.append(" return execute(() -> ").append(serviceField)
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.append(".").append(methodName).append("(").append(serviceCallArgs).append("));\n");
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methods.append(" }\n");
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}
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return "package " + packageName + ";\n\n"
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+ importsStr + "\n\n"
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+ "/**\n"
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+ " * " + domainCap + " bypass API\n"
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+ " * S&P Maritime API에서 데이터를 실시간 조회하여 그대로 반환\n"
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+ " */\n"
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+ "@RestController\n"
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+ "@RequestMapping(\"" + requestMappingPath + "\")\n"
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+ "@RequiredArgsConstructor\n"
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+ "@Tag(name = \"" + domainCap + "\", description = \"" + tagDescription + "\")\n"
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+ "public class " + domainCap + "Controller extends BaseBypassController {\n\n"
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+ fields
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+ methods
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+ "}\n";
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}
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/**
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* fetch 메서드 호출 코드 생성
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*/
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private String buildFetchMethodCall(BypassApiConfig config, List<BypassApiParam> params,
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boolean isList, boolean isPost) {
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List<BypassApiParam> queryParams = params.stream()
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.filter(p -> "QUERY".equalsIgnoreCase(p.getParamIn()))
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.sorted((a, b) -> Integer.compare(a.getSortOrder(), b.getSortOrder()))
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.toList();
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StringBuilder uriBuilder = new StringBuilder();
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uriBuilder.append("uri -> uri.path(getApiPath())");
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for (BypassApiParam p : queryParams) {
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uriBuilder.append("\n .queryParam(\"")
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.append(p.getParamName()).append("\", ").append(p.getParamName()).append(")");
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}
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uriBuilder.append("\n .build()");
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String fetchName;
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if (isPost) {
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fetchName = isList ? "fetchPostList" : "fetchPostOne";
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BypassApiParam bodyParam = params.stream()
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.filter(p -> "BODY".equalsIgnoreCase(p.getParamIn()))
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.findFirst().orElse(null);
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String bodyArg = bodyParam != null ? bodyParam.getParamName() : "null";
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return "return " + fetchName + "(" + bodyArg + ", " + uriBuilder + ");";
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} else {
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fetchName = isList ? "fetchGetList" : "fetchGetOne";
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return "return " + fetchName + "(" + uriBuilder + ");";
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}
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}
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/**
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* 메서드 파라미터 목록 생성 (Java 타입 + 이름)
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*/
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private String buildMethodParams(List<BypassApiParam> params) {
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return params.stream()
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.sorted((a, b) -> Integer.compare(a.getSortOrder(), b.getSortOrder()))
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.map(p -> toJavaType(p.getParamType()) + " " + p.getParamName())
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.collect(Collectors.joining(", "));
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}
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/**
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* 서비스 호출 인자 목록 생성
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*/
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private String buildServiceCallArgs(List<BypassApiParam> params) {
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return params.stream()
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.sorted((a, b) -> Integer.compare(a.getSortOrder(), b.getSortOrder()))
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.map(BypassApiParam::getParamName)
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.collect(Collectors.joining(", "));
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}
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/**
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* Controller 메서드 파라미터 어노테이션 포함 목록 생성
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*/
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private String buildControllerParamAnnotations(List<BypassApiParam> params) {
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if (params.isEmpty()) {
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return "";
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}
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return params.stream()
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.sorted((a, b) -> Integer.compare(a.getSortOrder(), b.getSortOrder()))
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.map(p -> {
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String description = p.getDescription() != null ? p.getDescription() : p.getParamName();
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String javaType = toJavaType(p.getParamType());
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String paramName = p.getParamName();
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String example = getDefaultExample(p.getParamType());
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return switch (p.getParamIn().toUpperCase()) {
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case "PATH" -> "@Parameter(description = \"" + description + "\", example = \"" + example + "\")\n"
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+ " @PathVariable " + javaType + " " + paramName;
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case "BODY" -> "@Parameter(description = \"" + description + "\", example = \"" + example + "\")\n"
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+ " @RequestBody " + javaType + " " + paramName;
|
|
default -> {
|
|
String required = Boolean.TRUE.equals(p.getRequired()) ? "true" : "false";
|
|
yield "@Parameter(description = \"" + description + "\", example = \"" + example + "\")\n"
|
|
+ " @RequestParam(required = " + required + ") " + javaType + " " + paramName;
|
|
}
|
|
};
|
|
})
|
|
.collect(Collectors.joining(",\n "));
|
|
}
|
|
|
|
/**
|
|
* @GetMapping / @PostMapping에 붙는 경로 생성
|
|
* externalPath의 마지막 세그먼트를 내부 경로로 사용 + PATH 파라미터 추가
|
|
* 예: /RiskAndCompliance/CompliancesByImos → ("/CompliancesByImos")
|
|
* PATH 파라미터 imo 추가 시 → ("/CompliancesByImos/{imo}")
|
|
*/
|
|
private String buildMappingPath(List<BypassApiParam> params, String externalPath) {
|
|
String endpointSegment = "";
|
|
if (externalPath != null && !externalPath.isEmpty()) {
|
|
String[] segments = externalPath.split("/");
|
|
if (segments.length > 0) {
|
|
endpointSegment = "/" + segments[segments.length - 1];
|
|
}
|
|
}
|
|
|
|
List<BypassApiParam> pathParams = params.stream()
|
|
.filter(p -> "PATH".equalsIgnoreCase(p.getParamIn()))
|
|
.sorted((a, b) -> Integer.compare(a.getSortOrder(), b.getSortOrder()))
|
|
.toList();
|
|
String pathSuffix = pathParams.stream()
|
|
.map(p -> "{" + p.getParamName() + "}")
|
|
.collect(Collectors.joining("/", pathParams.isEmpty() ? "" : "/", ""));
|
|
|
|
String fullPath = endpointSegment + pathSuffix;
|
|
if (fullPath.isEmpty()) {
|
|
return "";
|
|
}
|
|
return "(\"" + fullPath + "\")";
|
|
}
|
|
|
|
/**
|
|
* 파일을 지정 경로에 씁니다.
|
|
*
|
|
* @param path 파일 경로
|
|
* @param content 파일 내용
|
|
* @param force 덮어쓰기 허용 여부
|
|
* @return 생성된 파일 경로
|
|
*/
|
|
private Path writeFile(String path, String content, boolean force) {
|
|
Path filePath = Path.of(path);
|
|
if (Files.exists(filePath) && !force) {
|
|
throw new IllegalStateException("파일이 이미 존재합니다: " + path + " (덮어쓰려면 force 옵션을 사용하세요)");
|
|
}
|
|
try {
|
|
Files.createDirectories(filePath.getParent());
|
|
Files.writeString(filePath, content, StandardCharsets.UTF_8);
|
|
log.info("파일 생성: {}", filePath);
|
|
} catch (IOException e) {
|
|
throw new RuntimeException("파일 쓰기 실패: " + path, e);
|
|
}
|
|
return filePath;
|
|
}
|
|
|
|
/**
|
|
* webclientBean 이름 → Swagger @Tag description 접두사 변환
|
|
*/
|
|
private String getTagPrefix(String webclientBean) {
|
|
if (webclientBean == null) {
|
|
return "[Ship API]";
|
|
}
|
|
return switch (webclientBean) {
|
|
case "maritimeAisApiWebClient" -> "[AIS API]";
|
|
case "maritimeServiceApiWebClient" -> "[Service API]";
|
|
default -> "[Ship API]";
|
|
};
|
|
}
|
|
|
|
/**
|
|
* paramType → Swagger @Parameter example 기본값 결정
|
|
*/
|
|
private String getDefaultExample(String paramType) {
|
|
if (paramType == null) {
|
|
return "9876543";
|
|
}
|
|
return switch (paramType.toUpperCase()) {
|
|
case "INTEGER" -> "0";
|
|
case "LONG" -> "0";
|
|
case "BOOLEAN" -> "true";
|
|
default -> "9876543";
|
|
};
|
|
}
|
|
|
|
private String capitalize(String s) {
|
|
if (s == null || s.isEmpty()) {
|
|
return s;
|
|
}
|
|
return Character.toUpperCase(s.charAt(0)) + s.substring(1);
|
|
}
|
|
|
|
/**
|
|
* param_type → Java 타입 변환
|
|
*/
|
|
private String toJavaType(String paramType) {
|
|
if (paramType == null) {
|
|
return "String";
|
|
}
|
|
return switch (paramType.toUpperCase()) {
|
|
case "INTEGER" -> "Integer";
|
|
case "LONG" -> "Long";
|
|
case "BOOLEAN" -> "Boolean";
|
|
default -> "String";
|
|
};
|
|
}
|
|
}
|