Hi Martin,
Thank you very much for the quick reply! I thought the weaving with 'ajc'
would already include the aspect in the bundle but now I see it's not the
case.
Thanks again!
Tiago
On Fri, Jan 14, 2011 at 12:02 PM, Martin Lippert <lipp...@acm.org> wrote:
> Hi Tiago!
>
> You can weave aspects into OSGi bundles at compile time, but you need to
> take care of the dependencies that the weaving creates.
>
> 1.
> The woven class will depend on types from org.aspectj.lang or
> org.aspectj.runtime. So you need to change the OSGi manifest of your host
> bundle to import those packages.
>
> 2.
> The woven class will depend on the type of the aspect. So depending on
> where the aspect actually is, you need to add that dependency to the OSGi
> manifest as well. If you put your aspect into your host bundle, there is
> nothing you need to do. If your aspect resides in a different bundle, you
> need to import the package of the aspect into your host bundle via the
> manifest.
>
> HTH,
> Martin
>
>
>
> On 14.01.11 11:52, Tiago Espinha wrote:
>
>> Dear all,
>>
>> I've been trying to use AspectJ to weave an aspect into an existing OSGi
>> bundle (I'm trying to weave directly in to the JAR, as that's actually
>> the point of what I'm doing) but I'm getting strange results.
>>
>> So far I've been able to do the actual weaving but when I load the
>> bundle onto Apache Felix, I get the following:
>> -------------------8<---------------------
>> g! felix:start 20
>> g! Exception in thread "AWT-EventQueue-0"
>> java.lang.NoClassDefFoundError: org/aspectj/lang/NoAspectBoundException
>> at
>>
>> org.apache.felix.example.servicebased.host.DrawingFrame.<init>(DrawingFrame.java:54)
>> at
>>
>> org.apache.felix.example.servicebased.host.Activator$1.run(Activator.java:69)
>> at java.awt.event.InvocationEvent.dispatch(Unknown Source)
>> at java.awt.EventQueue.dispatchEvent(Unknown Source)
>> at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown
>> Source)
>> --------------------8<--------------------
>>
>> The bundle I've been using for my experiments is the one provided by the
>> Felix project itself at [1]. I'm trying to weave the following aspect
>> into the 'host' bundle:
>> --------------------8<--------------------
>> import java.awt.*;
>> import java.awt.event.*;
>> import java.util.*;
>>
>> import javax.swing.*;
>>
>> import org.apache.felix.example.servicebased.host.DrawingFrame;
>>
>> public aspect ComponentLogger {
>> pointcut frameConstruction(DrawingFrame d) : this(d) &&
>> execution(DrawingFrame.new());
>>
>> before(DrawingFrame d) : frameConstruction(d)
>> {
>> JOptionPane.showMessageDialog(d,"We've just weaved into the
>> constructor!");
>> }
>> }
>> --------------------8<------------------
>>
>> The goal of this would be to have a message dialog show up whenever a
>> DrawingFrame is created. Am I doing something blatantly wrong? Or is it
>> simply not possible to weave aspects into OSGi bundles?
>>
>> Many Thanks,
>> Tiago
>>
>> [1] -
>> http://felix.apache.org/site/apache-felix-application-demonstration.html
>>
>>
>>
>> _______________________________________________
>> aspectj-users mailing list
>> aspectj-users@eclipse.org
>> https://dev.eclipse.org/mailman/listinfo/aspectj-users
>>
> _______________________________________________
> aspectj-users mailing list
> aspectj-users@eclipse.org
> https://dev.eclipse.org/mailman/listinfo/aspectj-users
>
_______________________________________________
aspectj-users mailing list
aspectj-users@eclipse.org
https://dev.eclipse.org/mailman/listinfo/aspectj-users
