@Nullable
protected VirtualFile findCoreJar(@Nullable Module module) {
if (module == null) return null;
JavaPsiFacade javaFacade = JavaPsiFacade.getInstance(module.getProject());
for (PsiClass aClass :
javaFacade.findClasses(
getSomeFrameworkClass(), GlobalSearchScope.moduleWithLibrariesScope(module))) {
VirtualFile virtualFile = aClass.getContainingFile().getVirtualFile();
if (virtualFile != null && virtualFile.getFileSystem() instanceof JarFileSystem) {
VirtualFile localFile = PathUtil.getLocalFile(virtualFile);
if (isCoreJar(localFile)) {
return localFile;
}
}
}
return null;
}
