Re: [aspectj-dev] detecting AspectJ classes

[Matthew Webster <matthew_webster@xxxxxxxxxx>]

Eugene,

> Thanks Andy. The problem is that I need to do
that without loading 
>classes.
Why?

Matthew Webster
AOSD Project
Java Technology Centre, MP146
IBM Hursley Park, Winchester,  SO21 2JN, England
Telephone: +44 196 2816139 (external) 246139 (internal) 
Email: Matthew Webster/UK/IBM @ IBMGB, matthew_webster@xxxxxxxxxx
http://w3.hursley.ibm.com/~websterm/

Eugene Kuleshov <eu@xxxxxxxx>
Sent by: aspectj-dev-bounces@xxxxxxxxxxx

17/10/2006 13:36

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Subject	Re: [aspectj-dev] detecting AspectJ classes

  Thanks Andy. The problem is that I need to do that without loading
classes.

  I see that iajc is adding @Aspect attribute with value that has
_expression_ for deployment model, but then I need to parse that 
_expression_. Is there are some helper class that I can use to parse that
_expression_? Also, is this information is duplicated in some other 
attribute, maybe org.aspectj.weaver.Aspect?

  regards,
  Eugene


Andy Clement wrote:
> See AjTypeSystem in the doc:
>
> http://www.eclipse.org/aspectj/doc/released/aspectj5rt-api/org/aspectj/lang/reflect/AjTypeSystem.html#getAjType(java.lang.Class)
>
>
> eg.
>
> AjType fooType = AjTypeSystem.getAjType(Foo.class);    
  
> boolean isAspect = fooType.isAspect()
> PerClause pc = fooType.getPerClause()
> assertEquals(PerClauseKind.PERTHIS,pc.getKind());
>
> the individual attribute format are not documented anywhere other
than
> in the code.
>
>
> On 17/10/06, Eugene Kuleshov <eu@xxxxxxxx> wrote:
>> Hi,
>>
>>   I need to detect that some particular class is in fact
an aspect and
>> then I would also need to retrieve details on its deployment mode
(i.e.
>> singleton, percflow, pertarget, etc). What would be the most reliable
>> way of doing that?
>>
>>   Actually I wonder if AspectJ-specific bytecode attributes
are
>> documented anywhere? It would be really handy to have something
like VM
>> ClassFormat spec that would document standard attributes used
by 
>> AspectJ.
>>
>>   Thanks in advance
>>
>>   Eugene
>>
>>
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>>
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