content: package com.alibaba.tesla.tkgone.server.services.database.elasticsearch.elasticsearchgrammar;
  
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.JSONObject;
  import org.springframework.stereotype.Service;
  import org.springframework.util.CollectionUtils;
  
  /**
   * @author yangjinghua
   */
  @Service
  public class GetSearchHighlightGrammar {
  
      JSONObject init() {
          return JSONObject.parseObject("{"
              + "    \"highlight\" : {"
              + "        \"fields\" : {"
              + "        }"
              + "    }"
              + "}");
      }
  
      public JSONObject add(JSONObject searchHighlightJson, JSONArray fields) {
          if (CollectionUtils.isEmpty(searchHighlightJson)) {
              searchHighlightJson = init();
          }
          for (String field : fields.toJavaList(String.class)) {
              field = field.split("\\^")[0];
              searchHighlightJson.getJSONObject("highlight").getJSONObject("fields").put(field, new JSONObject());
          }
          return searchHighlightJson;
      }
  }
  