@Override
        public T convert(ResponseBody value) throws IOException {
            try {
                return JSON.parseObject(value.bytes(), type, fastJsonConfig.getFeatures()
                );
            } catch (Exception e) {
                throw new IOException("JSON parse error: " + e.getMessage(), e);
            } finally {
                value.close();
            }
        }
Fastjson for Retrofit Converter Json Factory.
<p>
Compatible fastjson 1.2.x

@author ligboy, wenshao
@author Victor.Zxy
@see Converter.Factory
@since 2.0.2
fastjson1-compatible/src/main/java/com/alibaba/fastjson/support/retrofit/Retrofit2ConverterFactory.java