Doh, you're right, I didn't think this one through and prototyped a delegating classloader in java.lang (where of course overriding and delegating to a protected method works fine as protected implies package private).
Maybe that's an extension idea: a delegating classloader in java.lang where all protected methods are public, along with the necessary security checks when creating it.. /Claes Jochen Theodorou <blackd...@gmx.org> skrev: (2 oktober 2016 14:49:26 CEST) >On 02.10.2016 14:43, Claes Redestad wrote: >> >> >> On 2016-10-02 14:26, Jochen Theodorou wrote: >>> >>>> Do you know anything about the ClassLoader::getPackages issue? Is >this a >>>> case where the (new) public getDefinedPackages returns the Packages >that >>>> Gradle is looking for? >>> >>> hmm... if I look at >>> >https://github.com/gradle/gradle/blob/master/subprojects/base-services/src/main/java/org/gradle/internal/classloader/MultiParentClassLoader.java >>> >>> and I imagine one parent being a MultiParentClassLoader... >>> getDefinedPackages is final, so you cannot do what they did for >>> getPackages, unless you do it from outside. And for that you need to >>> know about multiple parents... I don´t know if it is working well >enough >>> for Gradle, but no, getDefinedPackages is no suitable replacement >for >>> getPackages at all if you have to consider multiparent class >loaders. >> >> Since the methods reflected upon in ClassLoader here are all >protected, >> couldn't this specific code be made reflection-free by wrapping all >> parent classloaders in a delegating classloader that overrides >> getPackage/getPackages as public? > >How is the delegating classloader going to access getPackage of the >loader it delegates to? Just being a classloader subclass does not >solve >the problem. And you cannot be in the same package as well... not to >mention, that your class is probably defined in a different classloader > >as well. Or is here a Java-trick I do not know of? > >bye Jochen -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
