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zj

2024-07-29 ef299388e071ce75de6623009f21e425b5a3b017

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package org.example.util;
 
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.google.gson.Gson;
 
import java.io.IOException;
 
 
public class JsonUtil {
    private static final ObjectMapper objectMapper = createObjectMapper();
    private static Gson gson = new Gson();
 
    public static String writeValue(Object obj) throws IOException {
        return objectMapper.writeValueAsString(obj);
    }
 
    public static String toJson(Object obj) {
        return gson.toJson(obj);
    }
 
    public static <T> T readValue(String s, TypeReference<T> ref) throws IOException {
        return objectMapper.readValue(s, ref);
    }
 
 
    private static ObjectMapper createObjectMapper() {
 
        final ObjectMapper mapper = new ObjectMapper();
        mapper.setPropertyNamingStrategy(PropertyNamingStrategy.KEBAB_CASE);
        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        // disabled features:
        mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
        mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
        mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
        return mapper;
    }
 
}