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 toObj_(Class clazz, String json) throws IOException { return mapper.readValue(json, clazz); } public static T toObj(Class clazz, String json) { try { return mapper.readValue(json, clazz); } catch (IOException e) { throw new RuntimeException(e); } } public static T toObj_(TypeReference type, String json) throws IOException { return mapper.readValue(json, type); } public static T toObj(TypeReference type, String json) { try { return mapper.readValue(json, type); } catch (IOException e) { throw new RuntimeException(e); } } }