package com.renrenliao.im.http;

import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.reflect.TypeToken;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import okhttp3.RequestBody;
import okhttp3.ResponseBody;
import retrofit2.Converter;
import retrofit2.Retrofit;



/**
 * *@ClassName MyGsonResponseBodyConverter
 * *@Description
 * *@Author gan
 * *@Date 2022/5/25 11:23
 **/
public class MyGsonConverterFactory extends Converter.Factory{

    public static MyGsonConverterFactory create() {
        return create(new Gson());
    }

    @SuppressWarnings("ConstantConditions") // Guarding public API nullability.
    public static MyGsonConverterFactory create(Gson gson) {
        if (gson == null) throw new NullPointerException("gson == null");
        return new MyGsonConverterFactory(gson);
    }

    private final Gson gson;

    private MyGsonConverterFactory(Gson gson) {
        this.gson = gson;
    }


    @Override
    public Converter<ResponseBody, ?> responseBodyConverter(
            Type type, Annotation[] annotations, Retrofit retrofit) {
        TypeAdapter<?> adapter = gson.getAdapter(TypeToken.get(type));
        return new MyGsonResponseBodyConverter(gson,adapter);
    }

    @Override
    public Converter<?, RequestBody> requestBodyConverter(
            Type type,
            Annotation[] parameterAnnotations,
            Annotation[] methodAnnotations,
            Retrofit retrofit) {
        TypeAdapter<?> adapter = gson.getAdapter(TypeToken.get(type));
        return new MyGsonRequestBodyConverter<>(gson, adapter);
    }

}
