package com.gk.firework.Domain.Utils;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import java.io.IOException;
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public final class JsonUtils {
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private JsonUtils() {}
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/**
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* 将对象序列化成json字符串
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* @param object javaBean
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* @return jsonString json字符串
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*/
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public static String toJson(Object object) {
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try {
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return getInstance().writeValueAsString(object);
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} catch (JsonProcessingException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* 将json反序列化成对象
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* @param jsonString jsonString
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* @param valueType class
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* @param <T> T 泛型标记
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* @return Bean
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*/
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public static <T> T parse(String jsonString, Class<T> valueType) {
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try {
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return getInstance().readValue(jsonString, valueType);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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private static ObjectMapper getInstance() {
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return JacksonHolder.INSTANCE;
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}
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private static class JacksonHolder {
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private static ObjectMapper INSTANCE = new JacksonObjectMapper();
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}
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}
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