content: /*
   * Copyright 2013-2023 the original author or authors.
   *
   * 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
   *
   *      https://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.cloud.nacos.annotation;
  
  import java.io.IOException;
  import java.lang.reflect.Type;
  
  import com.alibaba.nacos.api.exception.runtime.NacosDeserializationException;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.databind.DeserializationFeature;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.type.TypeFactory;
  
  final class JsonUtils {
  
  	private JsonUtils() {
  	}
  
  	static ObjectMapper mapper = new ObjectMapper();
  
  	static {
  		mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
  		mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
  	}
  
  	/**
  	 * Json string deserialize to Object.
  	 *
  	 * @param json json string
  	 * @param cls  class of object
  	 * @param <T>  General type
  	 * @return object
  	 * @throws NacosDeserializationException if deserialize failed
  	 */
  	public static <T> T toObj(String json, Class<T> cls) {
  		try {
  			return mapper.readValue(json, cls);
  		}
  		catch (IOException e) {
  			throw new NacosDeserializationException(cls, e);
  		}
  	}
  
  	public static <T> T toObj(String json, Type type) {
  		try {
  			return mapper.readValue(json, TypeFactory.defaultInstance().constructType(type));
  		}
  		catch (IOException e) {
  			throw new NacosDeserializationException(type, e);
  		}
  	}
  }
  