package com.genersoft.iot.vmp.utils;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Objects;
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/**
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* @author gaofuwang
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* @version 1.0
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* @date 2022/3/11 10:17
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*/
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public class UJson {
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private static Logger logger = LoggerFactory.getLogger(UJson.class);
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public static final ObjectMapper JSON_MAPPER = new ObjectMapper();
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static {
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JSON_MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,false);
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}
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private ObjectNode node;
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public UJson(){
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this.node = JSON_MAPPER.createObjectNode();
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}
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public UJson(String json){
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if(StringUtils.isBlank(json)){
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this.node = JSON_MAPPER.createObjectNode();
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}else{
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try {
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this.node = JSON_MAPPER.readValue(json, ObjectNode.class);
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}catch (Exception e){
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logger.error(e.getMessage(), e);
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this.node = JSON_MAPPER.createObjectNode();
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}
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}
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}
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public UJson(ObjectNode node){
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this.node = node;
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}
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public String asText(String key){
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JsonNode jsonNode = node.get(key);
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if(Objects.isNull(jsonNode)){
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return "";
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}
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return jsonNode.asText();
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}
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public String asText(String key, String defaultVal){
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JsonNode jsonNode = node.get(key);
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if(Objects.isNull(jsonNode)){
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return "";
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}
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return jsonNode.asText(defaultVal);
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}
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public UJson put(String key, String value){
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this.node.put(key, value);
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return this;
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}
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public UJson put(String key, Integer value){
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this.node.put(key, value);
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return this;
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}
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public static UJson json(){
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return new UJson();
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}
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public static UJson json(String json){
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return new UJson(json);
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}
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public static <T> T readJson(String json, Class<T> clazz){
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if(StringUtils.isBlank(json)){
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return null;
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}
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try {
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return JSON_MAPPER.readValue(json, clazz);
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}catch (Exception e){
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logger.error(e.getMessage(), e);
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return null;
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}
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}
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public static String writeJson(Object object) {
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try{
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return JSON_MAPPER.writeValueAsString(object);
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}catch (Exception e){
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logger.error(e.getMessage(), e);
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return "";
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}
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}
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@Override
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public String toString() {
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return node.toString();
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}
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public int asInt(String key, int defValue) {
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JsonNode jsonNode = this.node.get(key);
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if(Objects.isNull(jsonNode)){
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return defValue;
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}
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return jsonNode.asInt(defValue);
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}
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public UJson getSon(String key) {
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JsonNode sonNode = this.node.get(key);
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if(Objects.isNull(sonNode)){
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return new UJson();
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}
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return new UJson((ObjectNode) sonNode);
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}
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public UJson set(String key, ObjectNode sonNode) {
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this.node.set(key, sonNode);
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return this;
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}
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public UJson set(String key, UJson sonNode) {
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this.node.set(key, sonNode.node);
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return this;
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}
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public Iterator<Map.Entry<String, JsonNode>> fields() {
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return this.node.fields();
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}
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public ObjectNode getNode() {
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return this.node;
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}
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public UJson setAll(UJson json) {
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this.node.setAll(json.node);
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return this;
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}
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}
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