mingli-utils/src/main/java/com/mingliqiye/utils/springboot/autoconfigure/GsonAutoConfiguration.java

package com.mingliqiye.utils.springboot.autoconfigure;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.mingliqiye.utils.json.GsonJsonApi;
import com.mingliqiye.utils.json.JsonApi;
import com.mingliqiye.utils.json.converters.DateTimeJsonConverter;
import com.mingliqiye.utils.json.converters.JsonStringConverter;
import com.mingliqiye.utils.json.converters.UUIDJsonStringConverter;
import com.mingliqiye.utils.time.DateTime;
import com.mingliqiye.utils.uuid.UUID;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.gson.GsonBuilderCustomizer;
import org.springframework.context.annotation.Bean;

@ConditionalOnClass(Gson.class)
@AutoConfiguration
@AutoConfigureAfter(
	name = {
		"org.springframework.boot.autoconfigure.gson.GsonAutoConfiguration",
		"com.mingliqiye.utils.springboot.autoconfigure.JacksonAutoConfiguration",
	}
)
public class GsonAutoConfiguration {

	private static final Logger log = LoggerFactory.getLogger(
		"MingliUtils-GsonAutoConfiguration"
	);

	public static GsonBuilder addTypeAdapter(GsonBuilder gsonBuilder) {
		JsonStringConverter<DateTime> dateTimeJsonConverter =
			new DateTimeJsonConverter();
		JsonStringConverter<UUID> uuidJsonStringConverter =
			new UUIDJsonStringConverter();

		try {
			return gsonBuilder
				.registerTypeAdapter(
					uuidJsonStringConverter.getTClass(),
					dateTimeJsonConverter
						.getGsonJsonStringConverterAdapter()
						.getGsonTypeAdapter()
				)
				.registerTypeAdapter(
					dateTimeJsonConverter.getTClass(),
					dateTimeJsonConverter
						.getGsonJsonStringConverterAdapter()
						.getGsonTypeAdapter()
				);
		} finally {
			log.info("MingliUtils GsonBuilder TypeAdapter add");
		}
	}

	@Bean
	public GsonBuilderCustomizer mingliGsonCustomizer() {
		return GsonAutoConfiguration::addTypeAdapter;
	}

	@Bean
	@ConditionalOnMissingBean
	public JsonApi jsonApi(Gson gson) {
		log.info(
			"MingliUtils-JsonApiAutoConfiguration: GsonJsonApi bean is created."
		);
		return new GsonJsonApi(gson);
	}
}