[jboss-user] [JBoss AOP] New message: "Detecting annotated classes"
User development,
A new message was posted in the thread "Detecting annotated classes":
http://community.jboss.org/message/522825#522825
Author : Marko Mrvelj
Profile : http://community.jboss.org/people/markom
Message:
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Hi All!
I am a noob to AOP. I need to create a setup where I need to detect specific annotation
inside classes during EAR deployment. Basically I need to provide a mean for another
developer to mark certain methods inside class, and then to be able to find all marked
methods deployed on JBoss AS.
I don't know if this is possible with AOP.
For example:
Annotation:
@Target( { ElementType.METHOD })(a)Retention(value=RetentionPolicy.RUNTIME)public @interface
MarkMe {
}
Annotated class:
public class TestClass {
@MarkMe
public void testMethod1() {
System.out.println("Invoked testMethod1");
}
}
Now I can create interceptor :
public class TestInterceptor implements Interceptor {
@Override public String getName() { return "TestInterceptor";
}
@Override public Object invoke(Invocation invocation) throws Throwable {
System.out.println("INSIDE INTERCEPTOR"); return
invocation.invokeNext(); }
}
to trigger during invocation of the method:
<?xml version="1.0" encoding="UTF-8"?>
<aop xmlns="urn:jboss:aop-beans:1.0">
<interceptor name="TestInt"
class="TestInterceptor"/>
<bind pointcut="execution(public void *->@MarkMe())">
<interceptor-ref name="TestInt"/>
</bind>
</aop>
However is it possible to detect during deployment of the class that it has been
annotated? I thought to use +has+ but it seems that it is only for refinement of the
expression.
Could somebody provide me with some hints how to do this?
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