jtt808初始化

jiangping

2025-03-18 dd8998a8f7bbf8823dba5fc219a961883e34ef7d

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package org.yzh.commons.util;
 
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
 
import java.io.IOException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
 
/**
 * @author yezhihao
 * https://gitee.com/yezhihao/jt808-server
 */
public class JsonUtils {
 
    public static final ObjectMapper mapper = new ObjectMapper();
 
    static {
        SimpleModule longModule = new SimpleModule();
        longModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
        longModule.addSerializer(Long.class, ToStringSerializer.instance);
 
        JavaTimeModule timeModule = new JavaTimeModule();
        timeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateUtils.DATE_TIME_FORMATTER));
        timeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateUtils.DATE_TIME_FORMATTER));
        timeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ISO_LOCAL_DATE));
        timeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ISO_LOCAL_DATE));
        timeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ISO_LOCAL_TIME));
        timeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ISO_LOCAL_TIME));
 
        mapper.registerModules(longModule, timeModule);
        mapper.setSerializationInclusion(Include.NON_NULL);
        mapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);// 兼容高德地图api
    }
 
    public static String toJson_(Object value) throws JsonProcessingException {
        return mapper.writeValueAsString(value);
    }
 
    public static String toJson(Object value) {
        try {
            return mapper.writeValueAsString(value);
        } catch (JsonProcessingException e) {
            throw new RuntimeException(e);
        }
    }
 
    public static <T> T toObj_(Class<? extends T> clazz, String json) throws IOException {
        return mapper.readValue(json, clazz);
    }
 
    public static <T> T toObj(Class<? extends T> clazz, String json) {
        try {
            return mapper.readValue(json, clazz);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
 
    public static <T> T toObj_(TypeReference<T> type, String json) throws IOException {
        return mapper.readValue(json, type);
    }
 
    public static <T> T toObj(TypeReference<T> type, String json) {
        try {
            return mapper.readValue(json, type);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}