Interceptor Question

[xinhua]

Hi all,
I have a simple Annotation like following:

@Target(METHOD)
@Retention(RUNTIME)
@Interceptors(PrintoutInterceptor.class)
public @interface Printout {
}

and the Interceptor class:

public class PrintoutInterceptor {

 @AroundInvoke
 public void printOut(InvocationContext invocation) throws Exception {
 System.out.println("Method "+invocation.getMethod()+" is called");
 invocation.proceed();
 }
}

And then i tried to put this annotation on a method,

....
@Printout
public String register(.....)
.....

BUT,
the interceptor doesnot work :(
can anyone help?
Thanks !!

[cptnkirk]

What Interceptors class are you importing, the Seam or EJB 3? The EJB 3 annotation needs to be run within an EJB 3 context.

[xinhua]

hi, CptnKirk

the app is running on JBossAS 4.0.5 GA with ejb3 container

here is my complete codes:

import javax.interceptor.AroundInvoke;
import javax.interceptor.InvocationContext;

public class PrintoutInterceptor {

 @AroundInvoke
 public void printOut(InvocationContext invocation) throws Exception {
 System.out.println("Method "+invocation.getMethod()+" is called");
 invocation.proceed();
 }
}

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.*;
import javax.interceptor.Interceptors;

@Target(METHOD)
@Retention(RUNTIME)
@Interceptors(PrintoutInterceptor.class)
public @interface Printout {
}

i changed the import like this :

....
import org.jboss.seam.annotations.Interceptors;
@Target(METHOD)
@Retention(RUNTIME)
@Interceptors(PrintoutInterceptor.class)
public @interface Printout {
}

it still doest work :...(

[cptnkirk]

So naturally this

....
@Printout
public String register(.....)
.....

method is part of an EJB 3 session bean right?

[xinhua]

"CptnKirk" wrote:
So naturally this

....
@Printout
public String register(.....)
.....

method is part of an EJB 3 session bean right?

yes. It is a sessionless bean. Actually, when i set up my annotation as ElementType.TYPE and put it on the class definition then it works.

It does not work if the annotaion is ElementType.METHOD :(

[pmuir]

IIRC method level seam-interceptors aren't supported in Seam atm (JBSEAM-29) - you'll need to use plain EJB3 interceptors (which do support method level interceptors)

[xinhua]

"petemuir" wrote:
IIRC method level seam-interceptors aren't supported in Seam atm (JBSEAM-29) - you'll need to use plain EJB3 interceptors (which do support method level interceptors)

Oh, that is pity....
standard ejb3 interceptor way @intercpetors(....class) is very urgly. That is why i want to use my own annotation.
hm...seems like i must use isAnnotationPresent(Printout.class) to reflect the beans . ....:(