content: /*
   *
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You 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 org.dinky.sse;
  
  import java.nio.charset.StandardCharsets;
  
  import org.springframework.http.HttpHeaders;
  import org.springframework.http.MediaType;
  import org.springframework.http.server.ServerHttpResponse;
  import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
  
  import cn.hutool.core.util.ReflectUtil;
  import lombok.extern.slf4j.Slf4j;
  
  @Slf4j
  public class SseEmitterUTF8 extends SseEmitter {
      public SseEmitterUTF8(Long timeout) {
          super(timeout);
      }
  
      @Override
      protected void extendResponse(ServerHttpResponse outputMessage) {
          super.extendResponse(outputMessage);
          HttpHeaders headers = outputMessage.getHeaders();
          headers.setContentType(new MediaType(MediaType.TEXT_EVENT_STREAM, StandardCharsets.UTF_8));
      }
  
      @Override
      public synchronized void complete() {
          Boolean complete = (Boolean) ReflectUtil.getFieldValue(this, "complete");
          if (complete) {
              return;
          }
          super.complete();
      }
  }
  