/*
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* Copyright Notice:
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* Copyright 1998-2008, Huawei Technologies Co., Ltd. ALL Rights Reserved.
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*
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* Warning: This computer software sourcecode is protected by copyright law
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* and international treaties. Unauthorized reproduction or distribution
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* of this sourcecode, or any portion of it, may result in severe civil and
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* criminal penalties, and will be prosecuted to the maximum extent
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* possible under the law.
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*/
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package com.ruoyi.common.utils.huawei;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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import java.io.IOException;
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public class JsonUtil {
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private static ObjectMapper objectMapper;
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static {
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objectMapper = new ObjectMapper();
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// 设置FAIL_ON_EMPTY_BEANS属性,当序列化空对象不要抛异常
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objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
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// 设置FAIL_ON_UNKNOWN_PROPERTIES属性,当JSON字符串中存在Java对象没有的属性,忽略
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objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
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}
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/**
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* Convert Object to JsonString
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*
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* @param jsonObj
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* @return
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*/
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public static String jsonObj2Sting(Object jsonObj) {
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String jsonString = null;
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try {
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jsonString = objectMapper.writeValueAsString(jsonObj);
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} catch (IOException e) {
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System.out.printf("pasre json Object[{}] to string failed.", jsonString);
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}
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return jsonString;
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}
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/**
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* Convert JsonString to Simple Object
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*
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* @param jsonString
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* @param cls
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* @return
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*/
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public static <T> T jsonString2SimpleObj(String jsonString, Class<T> cls) {
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T jsonObj = null;
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try {
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jsonObj = objectMapper.readValue(jsonString, cls);
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} catch (IOException e) {
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System.out.printf("pasre json Object[{}] to string failed.", jsonString);
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}
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return jsonObj;
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}
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}
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