in src/main/java/com/alibaba/yjopenapi/client/api/ApiClient.java [400:412]
public RequestBody serialize(Object obj, String contentType) throws ApiException {
if (isJsonMime(contentType)) {
String content;
if (obj != null) {
content = JSON.toJSONString(obj);
} else {
content = "";
}
return RequestBody.create(MediaType.parse(contentType), content);
} else {
throw new ApiException("Content type \"" + contentType + "\" is not supported");
}
}