content: /*
   * Copyright 2025 Alibaba Group Holding Limited.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *  	http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  
  package com.alibaba.graphscope.groot.service.api;
  
  import org.springframework.http.HttpStatus;
  import org.springframework.http.ResponseEntity;
  import org.springframework.web.context.request.NativeWebRequest;
  
  import java.io.IOException;
  
  import javax.servlet.http.HttpServletResponse;
  
  public class ApiUtil {
      public static void setExampleResponse(
              NativeWebRequest req, String contentType, String example) {
          try {
              HttpServletResponse res = req.getNativeResponse(HttpServletResponse.class);
              res.setCharacterEncoding("UTF-8");
              res.addHeader("Content-Type", contentType);
              res.getWriter().print(example);
          } catch (IOException e) {
              throw new RuntimeException(e);
          }
      }
  
      public static ResponseEntity<String> createErrorResponse(HttpStatus status, String message) {
          return ResponseEntity.status(status).body(String.format("{\"error\": \"%s\"}", message));
      }
  
      public static ResponseEntity<String> createSuccessResponse(String message, long snapshotId) {
          return ResponseEntity.status(HttpStatus.OK)
                  .body(
                          String.format(
                                  "{\"message\": \"%s\", \"snapshot_id\": %d}", message, snapshotId));
      }
  
      public static ResponseEntity<String> createSuccessResponse(String message) {
          return ResponseEntity.status(HttpStatus.OK)
                  .body(String.format("{\"message\": \"%s\"}", message));
      }
  }
  