Building Applications with Spring 5 and Vue.js 2

Create RegistrationPayload

Now, let's move on to create the RegistrationPayload class itself. Here is how it looks:

...public class RegistrationPayload {  @Size(min = 2, max = 50, message = "Username must be between 2 and 50 characters")  @NotNull  private String username;  @Email(message = "Email address should be valid")  @Size(max = 100, message = "Email address must not be more than 100 characters")  @NotNull  private String emailAddress;  @Size(min = 6, max = 30, message = "Password must be between 6 and 30 characters")  @NotNull  private String password;  // getters and setters}

As you can see, this RegistrationPayload class has three fields and the constraints we apply to them match those we added on the frontend. One difference is that the ...