Re: [aspectj-users] jpsp.getSignature().getDeclaringTypeName() returns j

[Andy Clement <andrew.clement@xxxxxxxxx>]

I think what is happening is that post obfuscation your class has been named 'a/Print' but the string reference in the joinpoint is still 'hmil.Print'. The AspectJ runtime actually tries to resolve the class before returning the name (i.e. getDeclaringTypeName() calls getDeclaringType().getName()).  The error handling will return a ClassNotFoundException.class when hmil.Print cannot be resolved.

Can you tell the obfuscator to also modify string references to types?  You might like it to avoid resolving in this case and just return the string, but currently you can't do that.  It hasn't been made configurable because I think it is unusual that it can't resolve the class it is in... The string form of the declaringType isn't even stored in the signature object for you to access via reflection, the ctor converts it to a class reference straight away... 

Andy

On 24 January 2013 15:12, Hmil P <amil@xxxxxx> wrote:

Hello,

So I am using AspectJ to profile some methods and would like to extract the
method name and enclosing class via:
1. jpsp.getSignature().getName() for method name
2. jpsp.getSignature().getDeclaringTypeName() for declaring class name

However, the catch is that my java code is first instrumented by AspectJ and
*then obfuscated by Zelix KlassMaster*. Because of this
jpsp.getSignature().getDeclaringTypeName() returns
"java.lang.ClassNotFoundException".

I used JAD to decompile the AspectJ-generated code and saw that the
following code is inserted into the woven class (hmil.Print):
/Factory factory = new Factory("Print.java", hmil / Print);
ajc$tjp_0 = factory.makeSJP("method-execution",
factory.makeMethodSig("echo", "hmil.Print", "int", "num", "", "int"), 40);/

Even after Zelix KlassMaster runs (and basically renames the class
hmil.Print to a.Print), the AspectJ inserted code simply changes to:
/Factory factory = *new Factory("Print.java", a / Print);*
ajc$tjp_0 = factory.makeSJP("method-execution",
factory.makeMethodSig("echo", "hmil.Print", "int", "num", "", "int"), 40);/


Because of this, I believe that the static joinpoint still contains the
enclosing class name ("hmil.Print"). How can I access this information
without getting a ClassNotFoundException?

Thanks in advance.



--
View this message in context: http://aspectj.2085585.n4.nabble.com/jpsp-getSignature-getDeclaringTypeName-returns-java-lang-ClassNotFoundException-tp4650751.html
Sent from the AspectJ - users mailing list archive at Nabble.com.
_______________________________________________
aspectj-users mailing list
aspectj-users@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/aspectj-users