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.apache.celeborn.server.common.service.utils;
  
  import com.fasterxml.jackson.annotation.JsonAutoDetect;
  import com.fasterxml.jackson.annotation.PropertyAccessor;
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.DeserializationFeature;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
  import org.apache.commons.lang3.StringUtils;
  
  public class JsonUtils {
    private static final ObjectMapper MAPPER = new ObjectMapper();
  
    static {
      MAPPER.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
      MAPPER.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
      MAPPER.registerModule(new JavaTimeModule());
    }
  
    public static String toJson(Object obj) {
      try {
        return MAPPER.writeValueAsString(obj);
      } catch (JsonProcessingException e) {
        throw new RuntimeException(e);
      }
    }
  
    public static <T> T fromJson(String json, Class<T> clazz) {
      try {
        return StringUtils.isEmpty(json) ? null : MAPPER.readValue(json, clazz);
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
  }
  