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Welcome to the My John Deere OAuth2 Java Example.

This project gives a full native java example of:

Getting a OAuth2 access token via OIDC (OpenId Connect)
Using a refresh token to renew your own
Call the MyJohnDeere APIs with your access token

Requirements

Java 17
A free port 9090 (you can change this)

How to start this project

Clone this repository:
- git clone git@github.com:JohnDeere/MyJohnDeereAPI-OAuth2-Java-Example.git
Build the project
- mvn package
Start it
- java -jar target/oauth2-example-1.0.jar
- you may also use the start.sh shell script.
Open a browser and go to http://localhost:9090

Using this project

Once in the browser you will need a few things
- A ClientId and Secret from your application on https://developer.deere.com
- The callback for your application needs to be configured for the URL of this app. You have a few choices here:
  - In developer.deere.com you can add http://localhost:9090/callback as one of the callbacks (you can have more than one). It is NOT recommended to keep this around for production use.
  - You can make some some other URL and register it in your /etc/hosts files. This also needs to be registered in developer.deere.com
  - Please allow up to 20 minutes for any changes to be replicated.