String archBase = getVerifierContext().getAbstractArchive().
getArchiveUri();
final ModuleDescriptor moduleDescriptor = desc.getBundleDescriptor().
getModuleDescriptor();
if (moduleDescriptor.isStandalone()) {
return archBase; // it must be a stand-alone module; no such physical dir exists
} else {
return archBase + File.separator +
FileUtils.makeFriendlyFileName(moduleDescriptor.getArchiveUri());
}