Annotation Interface Before


@Retention(RUNTIME) @Target(METHOD) public @interface Before
Marks a action method that needs to be executed before the main action method.

Annotation usage:

The Before annotation can be applied at method level.

Annotation parameters:

Parameter Required Default Notes
priority no 10 Priority order of method execution

Example code:

 
 public class SampleAction extends ActionSupport {

  @Before
  public void isAuthorized() throws AuthenticationException {
    // authorize request, throw exception if failed
  }

  public String execute() {
     // perform secure action
     return SUCCESS;
  }
 }
 
 
Author:
Zsolt Szasz, zsolt at lorecraft dot com, Rainer Hermanns
  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    int
     
  • Element Details

    • priority

      int priority
      Default:
      10