Read the original article: Generating OAuth Tokens Part 1
We will talk about how to generate OAuth tokens. When using OAuth tokens, passwords are not shared between services. Instead, tokens are used for authentication. Here, we will create a basic authorization server that creates tokens given the username and password.
Let us create a new class that extends AuthorizationServerConfigurerAdapter. We can annotate it with @Configuration to tell it is a configuration class and has one or more @Bean methods. To enable the authorization server, we will use @EnableAuthorizationServer.
Read the original article: Generating OAuth Tokens Part 1