Re: [aspectwerkz-user] Is there a way to get a pointcut name from within an around advic e?

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Not sure if this is the cause but:
- - the around advice signature must include the throws Throwable
- - not sure if you correctly provided the package name of HelloWorldHijacker in aop.xmp (is it really
 in <<default>> package? otherwise the <aspect class="fully_qualified_name">

- --
:alex |.::the_mindstorm::.|

[quote Krasheninnikov, Konstantin::on 4/8/2005 5:06 PM]
> Alex,
> 
> Thank you for the reply.
> 
> I could not find how to get to the pointcut name but I can specify it as
> parameter to an advice, e.g.
> 
>        <aspect  name="1" class="HelloWorldHijacker">
> 
>          <param name="pointcutName" value="greetMethod"/>
> 		 <pointcut name="greetMethod" expression="execution(*
> testAOP.HelloWorld2.greet(..))"/>
> 		 <advice name="yellifyier" type="around"
> bind-to="greetMethod"/>
> 
>        </aspect>
> 
>         <aspect name="2" class="HelloWorldHijacker">
> 
>             <param name="pointcutName" value="fooMethod"/>
>             <pointcut name="fooMethod" expression="execution(*
> testAOP.HelloWorld2.foo(..))"/>
>             <advice name="yellifyier" type="around" bind-to="fooMethod"/>
> 
>         </aspect>
> 
> Btw, just wanted to let you know that the following does not work for
> "fooMethod" (no match)
> 
>        <aspect class="HelloWorldHijacker">
> 
> 	   <pointcut name="greetMethod" expression="execution(*
> testAOP.HelloWorld2.greet(..))"/>
> 	   <advice name="yellifyier" type="around" bind-to="greetMethod"/>
> 
>          <pointcut name="fooMethod" expression="execution(*
> testAOP.HelloWorld2.foo(..))"/>
>          <advice name="yellifyier" type="around" bind-to="fooMethod"/>
> 
>        </aspect>
> 
> (See the program output below) Is it a bug or a feature?
> 
> -krosh-
> 
> ----------------------
> 
> AspectWerkz - INFO - Pre-processor
> org.codehaus.aspectwerkz.transform.AspectWerkzPreProcessor loaded and
> initialized
> sun.misc.Launcher$AppClassLoader@67ac19@6794265:testAOP.HelloWorld2[main]
> ******************************************************************
> * ClassLoader = sun.misc.Launcher$ExtClassLoader@53ba3d@5487165
> * SystemID = virtual_5487165, 1 aspects.
> ******************************************************************
> ******************************************************************
> * ClassLoader = sun.misc.Launcher$AppClassLoader@67ac19@6794265
> * SystemID = AspectWerkzExample, 2 aspects.
> * SystemID = virtual_6794265, 1 aspects.
> * file:/home/krashk/aspectwerkz/projects/test01/aop.xml
> ******************************************************************
> [TRACE - earlymatch: greetMethod @
> AspectWerkzExample/testAOP.HelloWorldHijacker/yellifyier
> [       for          testAOP.HelloWorld2
> [       within       testAOP.HelloWorld2
> [       type         execution
> [TRACE - earlymatch: greetMethod @
> AspectWerkzExample/testAOP.HelloWorldHijacker/yellifyier
> [       for          testAOP.HelloWorld2
> [       within       testAOP.HelloWorld2
> [       type         within
> [TRACE - earlymatch: greetMethod @
> AspectWerkzExample/testAOP.HelloWorldHijacker/yellifyier
> [       for          testAOP.HelloWorld2
> [       within       testAOP.HelloWorld2
> [       type         within
> [TRACE - earlymatch: greetMethod @
> AspectWerkzExample/testAOP.HelloWorldHijacker/yellifyier
> [       for          testAOP.HelloWorld2
> [       within       testAOP.HelloWorld2
> [       type         within
> [TRACE - match: greetMethod @
> AspectWerkzExample/testAOP.HelloWorldHijacker/yellifyier
> [       for     testAOP.HelloWorld2.greet()Ljava/lang/String;
> [       within  testAOP.HelloWorld2.greet()Ljava/lang/String;
> [       type    execution
> sun.misc.Launcher$AppClassLoader@67ac19@6794265:testAOP.HelloWorldHijacker[m
> ain]
> HelloWorldHijacker is constructed!
> RTTI name: greet Signature: greet
> Method name: greet
> Return type: java.lang.String
> --> testAOP.HelloWorld2::greet
> <-- testAOP.HelloWorld2::greet
> <yell>Hello World!</yell>
> Foo
> 
> -----Original Message-----
> From: Alexandre Vasseur [mailto:[email protected]] 
> Sent: Friday, April 08, 2005 9:41 AM
> To: [email protected]
> Subject: Re: [aspectwerkz-user] Is there a way to get a pointcut name from
> within an around advic e?
> 
> Hi
> 
> You may have an aspect constructor that accepts
> org.codehaus.aspectwerkz.AspectContext as single parameter.
>>From that instance you can access the AspectDefinition that should contain
> what you need.
> 
> Another option would be to use Annotation defined aspect and access the
> annotation using the AspectWerkz Annotations.* API (works on Java
> 1.4 as well).
> 
> Last, another option would be to use
> SystemDefinitionContainer.getDefinition(uuid, ClassLoader) that should
> contain the AspectDefinitions of the deployed aspects.
> 
> Alex
> 
> 
> On Apr 8, 2005 3:31 PM, Krasheninnikov, Konstantin
> <[email protected]> wrote:
>>  
>> 
>> Hello,
>> 
>> Given
>> 
>> ... 
>>        <aspect class="HelloWorldHijacker"> 
>>             <pointcut name="greetMethod" expression="execution(* 
>> testAOP.HelloWorld2.greet(..))"/>
>>             <advice name="yellifyier" type="around"
> bind-to="greetMethod"/> 
>>        </aspect>
>> 
>> ...and
>> 
>> public class HelloWorldHijacker { 
>>     public Object yellifyier( JoinPoint joinPoint )   { 
>>         String ret = null; 
>>         try  {
>> 
>>             // How to get to the pointcut name (which is 
>> "greetMethod") here ??
>> 
>>             Object greeting = joinPoint.proceed(); 
>>             ret = "<yell>" + greeting + "</yell>"; 
>>         } 
>>         catch( Throwable e ) { 
>>             e.printStackTrace(); 
>>         } 
>>         return ret; 
>>     }
>> }
>> 
>> Q: Is there a way to get the pointcut name from within the around advice? 
>> 
>> Thanks in advance,
>> 
>> -krosh-
>> 
> 


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