[jboss-dev-forums] [Design of AOP on JBoss (Aspects/JBoss)] - Re: using CallLoggingInterceptor on existing web app

[cpmcda01]

This is an old post, but I'm resurrecting it because it seems it was never resolved, and I think I know why. The following code in CallLoggingInterceptor is evaluating to false:


  | boolean callLogging = log.isDebugEnabled();
  | if (callLogging)
  |     callLogging = Boolean.valueOf((String)invocation.getMetaData(LOGGING,
  |         CALL_LOGGING)).booleanValue();
  | 

First, let me say that key configuration like this should be mentioned in the Javadoc API for this class. I spent nearly two days trying to get call logging to work and all the while I kept thinking that JBoss AOP was broken or I was doing something fundamentally wrong. I can not express how frustrated I was and how much my impression of the JBoss product diminished when I found that the source of the problem was buried in the interceptor code and was not reasonably documented.

So I gave up and I made my own Interceptor, copy-pasting most of the code from CallLoggingInterceptor, leaving out the above. Everything is working fine. Curious as to how this meta-data stuff worked, I went to the JBoss AOP documentation and found it sorely lacking. See for yourself: 
http://labs.jboss.com/portal/jbossaop/docs/1.5.0.GA/docs/aspect-framework/reference/en/html/xml.html#xml-metadata

How would I configure this meta-data in my -aop.xml file to get the CallLoggingInterceptor to actually log something? 

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