JacksonConfiguration.java

package ee.esutoniagodesu.config;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import ee.esutoniagodesu.util.json.JSR310DateTimeSerializer;
import ee.esutoniagodesu.util.json.JSR310LocalDateDeserializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;

import java.time.*;

@Configuration
public class JacksonConfiguration {

    @Bean
    Jackson2ObjectMapperBuilder jackson2ObjectMapperBuilder() {
        JavaTimeModule module = new JavaTimeModule();
        module.addSerializer(OffsetDateTime.class, JSR310DateTimeSerializer.INSTANCE);
        module.addSerializer(ZonedDateTime.class, JSR310DateTimeSerializer.INSTANCE);
        module.addSerializer(LocalDateTime.class, JSR310DateTimeSerializer.INSTANCE);
        module.addSerializer(Instant.class, JSR310DateTimeSerializer.INSTANCE);
        module.addDeserializer(LocalDate.class, JSR310LocalDateDeserializer.INSTANCE);

        return new Jackson2ObjectMapperBuilder()
            .featuresToDisable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
            .serializationInclusion(JsonInclude.Include.NON_NULL)
            .findModulesViaServiceLoader(true)
            //.featuresToEnable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
            //.featuresToEnable(DeserializationFeature.READ_ENUMS_USING_TO_STRING)
            .modulesToInstall(module);
    }
}