roomescape-refactored/src/main/java/roomescape/system/config/JacksonConfig.java

package roomescape.system.config;

import java.time.LocalDate;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;

@Configuration
public class JacksonConfig {

	@Bean
	public ObjectMapper objectMapper() {
		ObjectMapper objectMapper = new ObjectMapper();
		objectMapper.registerModule(javaTimeModule());
		return objectMapper;
	}

	@Bean
	public JavaTimeModule javaTimeModule() {
		JavaTimeModule javaTimeModule = new JavaTimeModule();

		javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ISO_LOCAL_DATE));
		javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ISO_LOCAL_DATE));

		javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern("HH:mm")));
		javaTimeModule.addDeserializer(LocalTime.class,
			new LocalTimeDeserializer(DateTimeFormatter.ofPattern("HH:mm")));

		return javaTimeModule;
	}
}