Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Annotations > Before Annotation
Added by Rainer Hermanns, last edited by Don Brown on Nov 14, 2006  (view change)

Before Annotation

Marks a action method that needs to be executed before the main action method.

Usage

The Before annotation can be applied at method level.

Parameters

no parameters

Examples

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;
 }
}