Bug 237919 - Support instrumentation modules - a way for one module to patch bytecode of others
Support instrumentation modules - a way for one module to patch bytecode of o...
Product: platform
Classification: Unclassified
Component: Module System
PC Linux
: P1 (vote)
: 8.0
Assigned To: Jaroslav Tulach
Depends on:
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Reported: 2013-11-03 12:51 UTC by Jaroslav Tulach
Modified: 2013-11-14 19:53 UTC (History)
1 user (show)

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Description Jaroslav Tulach 2013-11-03 12:51:52 UTC
JDK5 came with generic support for instrumentation: 
it however requires changes to the way one invokes Java.

NetBeans Platform also needs such kind of patching from time to time, yet it would be better to do it in a modular way. E.g. be able to define a module which can provide transformation behavior which would then be applied to other loaded classes.
Comment 1 Jaroslav Tulach 2013-11-03 12:52:51 UTC
It would be nice to reuse the API already defined by java.lang.instrument package.
Comment 2 Jaroslav Tulach 2013-11-03 13:00:19 UTC
Basic implementation:

Y01 Need support for OSGi in Equinox mode

Y02 Need documentation and a use-case description in arch.xml
Comment 3 Jaroslav Tulach 2013-11-03 18:18:31 UTC
Re. Y01: Netbinox now supported: http://hg.netbeans.org/ergonomics/rev/1809b61e5c46
Comment 4 Jaroslav Tulach 2013-11-06 14:17:58 UTC
Intended usage can be seen in following OSGi bundles:
one of them defined Agent-Class and hopes that every module/bundle that depends on it will be processed by its JsAgent class.
Comment 5 Jaroslav Tulach 2013-11-13 14:48:13 UTC
I fixed the documentation. Unless there are objections I integrate tomorrow:
Comment 6 Jaroslav Tulach 2013-11-14 19:53:57 UTC
Merged as 6869874b14af to core-main.

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