Use Enum type as a value parameter for @RolesAllowed-Annotation

by

How about this?

public enum RoleType {
    STUDENT(Names.STUDENT),
    TEACHER(Names.TEACHER),
    DEANERY(Names.DEANERY);

    public class Names{
        public static final String STUDENT = "Student";
        public static final String TEACHER = "Teacher";
        public static final String DEANERY = "Deanery";
    }

    private final String label;

    private RoleType(String label) {
        this.label = label;
    }

    public String toString() {
        return this.label;
    }
}

And in annotation you can use it like

@RolesAllowed(RoleType.Names.DEANERY)
public void update(User p) { ... }

One little concern is, for any modification, we need to change in two places. But since they are in same file, its quite unlikely to be missed. In return, we are getting the benefit of not using raw strings and avoiding the sophisticated mechanism.

Or this sounds totally stupid? 🙂

More Related Contents:

  1. Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
  2. Why does JPA have a @Transient annotation?
  3. Java EE 6 vs. Spring 3 stack [closed]
  4. How to supply Enum value to an annotation from a Constant in Java
  5. Java String validation using enum values and annotation
  6. Where can I find a list of all the reference implementations for Java EE 6? [closed]
  7. EAR vs separate EJB + WAR
  8. Hibernate mapping between PostgreSQL enum and Java enum
  9. How to get an enum value from a string value in Java
  10. Scanning Java annotations at runtime
  11. Why use @PostConstruct?
  12. Hibernate Annotations – Which is better, field or property access?
  13. Can I connect to SQL Server using Windows Authentication from Java EE webapp?
  14. How to inject a Map using the @Value Spring Annotation?
  15. How can I lookup a Java enum from its String value?
  16. The meaning of NoInitialContextException error
  17. How to force browser to download file?
  18. What’s the best way to implement `next` and `previous` on an enum type?
  19. How do Java method annotations work in conjunction with method overriding?
  20. How are Threads allocated to handle Servlet request?
  21. Enum in Hibernate, persisting as an enum
  22. Mapping array with Hibernate
  23. Thymeleaf – How to loop a list by index
  24. How to set String Array in Java Annotation
  25. JPA Criteria Tutorial [closed]
  26. RetentionPolicy CLASS vs. RUNTIME
  27. Generating Enums Dynamically
  28. JAX-WS vs. JAX-RPC
  29. How to write a Java annotation processor?
  30. Why do we use web.xml? [closed]

Leave a Comment