Niclas Hedhman created POLYGENE-246:
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Summary: Intercept calls to static methods, via classloading
control
Key: POLYGENE-246
URL: https://issues.apache.org/jira/browse/POLYGENE-246
Project: Polygene
Issue Type: Bug
Reporter: Niclas Hedhman
Say that I want to replace SLF4J's LoggerFactory.getLogger() with my own
implementation. To do that now, I would need to replace the slf4j jar with my
own compiled one, and possibly maintain that diff.
IF, on the other hand, Polygene can apply its interception techniques to
classloading as well (which we do for loading fragments to redirect in-class
method calls), it should be possible to intercept arbitrary static method calls.
For this to work well, the classloader would need to be able to investigate
"where" the invocation context is, i.e. figure out the "current module" which
is currently not possible, so some serious thought needs to go into this, if at
all possible to inject all our injection scopes available via builders.
Potentially, take a look at PowerMock, which I think is doing this.
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