content: /*
   *  Copyright (C) 2019 Alpha Jiang. All rights reserved.
   *
   *  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 io.github.alphajiang.hyena.utils;
  
  import com.fasterxml.jackson.core.JsonFactory;
  import com.fasterxml.jackson.core.JsonParser;
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.core.type.TypeReference;
  import com.fasterxml.jackson.databind.DeserializationFeature;
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import io.github.alphajiang.hyena.model.exception.HyenaServiceException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.IOException;
  
  public class JsonUtils {
      private static final Logger logger = LoggerFactory.getLogger(JsonUtils.class);
  
      public static <T> T fromJson(String jsonString, Class<T> clazz) {
          ObjectMapper mapper = new ObjectMapper();
          mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
          mapper.configure(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS, true);
          try {
              return mapper.readValue(jsonString, clazz);
          } catch (IOException e) {
              logger.error(e.getMessage(), e);
              throw new HyenaServiceException(" result can not converto to Object");
          }
  
      }
  
      public static <T> T fromJson(String json, TypeReference<T> typereference) {
          ObjectMapper mapper = new ObjectMapper();
          mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
          mapper.configure(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS, true);
          try {
              return mapper.readValue(json, typereference);
          } catch (IOException e) {
              logger.error(e.getMessage(), e);
              throw new HyenaServiceException(" result can not converto to Object");
          }
      }
  
      public static JsonNode fromJson(String json) {
          ObjectMapper mapper = new ObjectMapper();
          mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
          mapper.configure(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS, true);
          JsonFactory factory = mapper.getFactory();
  
          try {
              JsonParser jp = factory.createParser(json);
              JsonNode jsonNode = (JsonNode)mapper.readTree(jp);
              return jsonNode;
          } catch (IOException var5) {
              logger.error("error = {}, json = {}", new Object[]{var5.getMessage(), json, var5});
              throw new HyenaServiceException(" result can not converto to Object");
          }
      }
  
      public static String toJsonString(Object obj) {
          ObjectMapper mapper = new ObjectMapper();
          mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
  
          String jsonString = "";
          try {
              jsonString = mapper.writeValueAsString(obj);
          } catch (JsonProcessingException e) {
              logger.error(e.getMessage(), e);
          }
          return jsonString;
      }
  
  }
  