I try to implement a field access as the @Get and @Set Listener-Annotations in GluonJ,
directly with Javassist.
I looked into the source code how GluonJ performs this, but I can't get it running -
and don't get the exact point.
e.g. Class A
{
String myString;
}
Does anybody know:
- is it possible to only modify Class A, e.g. by injecting a bytecode method invocation,
to 'redirect' every possible access (set/get) on myString? Does GluonJ so? I found
snippets like 'constPool.addMethodrefInfo(classIndex, nt); or
'codeConverter2.redirectFieldAccess(superOf, m.getDeclaringClass(), fname);
- Or is it only possible to substitute the field accesses in specified classes/methods,
and GluonJ substitute these brute-force in every class that is processed by the class
loader...which is not so elegant, but perhaps the only possibility
- What are the necessary Javassist invocations to achieve such Listeners? I can't find
an according snippet in the tutorial. Is it possible to paste one here?
Thanks in advance!
Christian
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