Re: Using ASM to read method annotations

Hi,

Thanks for your advice.
I fixed my issue based on that.

I also found this example rather useful for getting a better understanding:
http://grepcode.com/file/repo1.maven.org/maven2/org.mule/mule-core/3.0.0-M3/org/mule/util/scan/annotations/AnnotationsScanner.java

-Leo


Tronje Krop wrote:
> 
> Hi Leo,
> 
> I cannot say why your solution is not working correctly, but here is how
> to do it.
> 
> You first have to create a FieldVisitor/MethodVisitor in your custom class
> visitor. If you don't do that, you will not receive any events from the
> fields or methods including annotations. The FieldVisitor/MethodVisitor
> must create the AnnotationVisitor on request to capture the details.
> 
> The EmptyVisitor should solve this problem by returning itself as Field-
> Visitor/MethodVisitor/AnnotationVisitor as it implements all this inter-
> faces. If your custom ClassVisitor overrides this mechanism you will fail
> to receive the annotation details.
> 
> Best regards,
> 
> Tronje
> 
> Leo Romanoff wrote:
>> Hi,
>> 
>> How I can use ASM to read method annotations? I'm able to read class
>> annotations by implementing a visitAnnotation method in my custom
>> ClassVisitor class derived from the EmptyVisitor. But this method is not
>> invoked for method or field annotations.
>> 
>> May be I do not understand how to do a similar thing for the methods or
>> fields of the class? Is there any example available?
>> 
>> Thanks,
>>   Leo
>> 
> 
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>      Tronje Krop <[email protected]>
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