question: List < String > findInPackage ( Test test , String packageName ) { List < String > localClsssOrPkgs = new ArrayList < String > ( ) ; packageName = packageName . replace ( '.' , '/' ) ; Enumeration < URL > urls ; try { urls = classloader . getResources ( packageName ) ; if ( ! urls . hasMoreElements ( ) ) { log . warn ( "Unable to find any resources for package '" + packageName + "'" ) ; } } catch ( IOException ioe ) { log . warn ( "Could not read package: " + packageName ) ; return localClsssOrPkgs ; } return findInPackageWithUrls ( test , packageName , urls ) ; }
target:  Scans for classes starting at the package provided and descending into subpackages. Each class is offered up to the Test as it is discovered, and if the Test returns true the class is retained.