{
transformer = new JavaCodeTransform(packageManager);
DirectoryScanner ds = new DirectoryScanner();
ds.setExcludes(excludes);
ds.setIncludes(includes);
ds.addDefaultExcludes();
File dir = new File(source);
if(!dir.exists() && !dir.mkdirs())
throw new IllegalStateException("Your source directory does not exist and could not be created:" + source);
ds.setBasedir(source);
ds.scan();