ResponseConverterFactory.java

package com.troy.xifan.http.converter;

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.ResponseBody;
import retrofit2.Converter;
import retrofit2.Retrofit;

/**
 * Created by chenlongfei on 2016/11/20.
 */

public class ResponseConverterFactory extends Converter.Factory {
    public static ResponseConverterFactory create() {
        return create(new Gson());
    }

    public static ResponseConverterFactory create(Gson gson) {
        return new ResponseConverterFactory(gson);
    }

    private final Gson gson;

    private ResponseConverterFactory(Gson gson) {
        if (gson == null) throw new NullPointerException("gson == null");
        this.gson = gson;
    }

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