MessageController.java

@RestController
public class MessageController {
    
    @RequestMapping(method = RequestMethod.POST)
    @JsonView(MessageView.MessageSummary.class)
    public Message createMessage() {
        Message m = new Message();
        m.setAuthor("John Doe");
        m.setContent("I am John Doe");
        m.setLikes(0);
        return m;
    }

    @JsonView(MessageView.MessageEntire.class)
	@RequestMapping(method = RequestMethod.GET)
	public Message getMessage() {
	    Message m = new Message();
	    m.setAuthor("John Doe");
	    m.setContent("I am John Doe");
	    m.setLikes(23);
		return m;
	}
}