springboot配置自定义objectMapper

 

 

package com.my.config;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.module.SimpleModule;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean;

import java.io.IOException;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;

@Slf4j
@Configuration
public class ConfigObjectMapper {

    @Bean("objectMapper")
    public ObjectMapper objectMapper() {
        Jackson2ObjectMapperFactoryBean objectMapper = new Jackson2ObjectMapperFactoryBean();
        Object[] objects = {
                SerializationFeature.WRITE_DATES_AS_TIMESTAMPS
                , DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS
                , DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE
                , DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES
                , DeserializationFeature.FAIL_ON_INVALID_SUBTYPE
        };
        objectMapper.setFeaturesToDisable(objects);
        objectMapper.setModulesToInstall(CustomModule.class);
        objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        objectMapper.setFindModulesViaServiceLoader(true);
        objectMapper.afterPropertiesSet();
        return objectMapper.getObject();
    }

    @Bean
    public MessageConverter messageConverter(@Qualifier("objectMapper") ObjectMapper objectMapper) {
        return new Jackson2JsonMessageConverter(objectMapper);
    }


    public static class CustomModule extends SimpleModule {

        private static final long serialVersionUID = 1L;

        /**
         * Custom Jackson Module to serialize ZoneDateTime into desired format.
         */
        public CustomModule() {
            this.addSerializer(ZonedDateTime.class, new JsonSerializer<ZonedDateTime>() {
                @Override
                public void serialize(ZonedDateTime zonedDateTime, JsonGenerator jsonGenerator,
                                      SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
                    jsonGenerator.writeString(DateTimeFormatter.ISO_OFFSET_DATE_TIME.format(zonedDateTime));
                }
            });
        }

    }
}

 

end.