Re: [aspectj-users] Load Time Weaving

[trhouse <trhouse@xxxxxxxxx>]

OK I got it going following that, thanks Andy!


 Note to the unwary:  Java of course doesn't know what a backslash is  
and the java command doesn't eat whitespace after the semi colon here-

javaagent:pathto/aspectjweaver.jar MyPlainJavaProgram



On 5/26/2012 6:50 PM, Andy Clement wrote:
> On 25 May 2012 14:43, trhouse<trhouse@xxxxxxxxx>  wrote:
> > Newbie here. I just need a sanity check here on LTW. Here is what I think
> > ought to happen
> >
> > Given a properly constructed aspect and a properly configured and placed
> > aop.xml, I can run any java program which has been compiled by regular old
> > javac and have LTW apply aspects against it at runtime.
> Yep.
>
> > To achieve the above I have to do the all and only the following (aside from
> > compiling the aspect with ajc and writing aop.xml):
> >
> > make certain that the classpath for regular old java program includes:
> >
> > jar://<path to aspectJ>aspectj1.6/lib/aspectjrt.jar!/
> > <path to compiled aspects>
> > <path to aop.xml containing META-INF folder>
> >
> > and for VM options include:
> > -Djava.system.class.loader=org.aspectj.weaver.loadtime.WeavingURLClassLoader
> I wouldn't do it that way.  I'd use the agent:
>
> java -javaagent:pathto/aspectjweaver.jar MyPlainJavaProgram
>
> You should just need the java code and aspect code (and META-INF
> folder) on the classpath.
>
> cheers,
> Andy
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