https://developers.google.com/drive/web/quickstart/quickstart-java
https://developers.google.com/drive/web/examples/java


Ref:

https://developers.google.com/drive/v2/reference/
https://developers.google.com/drive/v2/reference/files/list

https://developers.google.com/drive/web/manage-uploads#resumable


Auth:

https://console.developers.google.com/project

https://developers.google.com/drive/web/about-auth
https://developers.google.com/accounts/docs/OAuth2
https://developers.google.com/+/features/sign-in

ratpack-oauth:
https://github.com/uris77/ratpack-oauth-example

+curl sample:
https://developers.google.com/accounts/docs/OAuth2WebServer

Libs:
https://github.com/scribejava/scribejava/
https://github.com/scribejava/scribejava/wiki/getting-started