code: private String getStoredBundlePath(String rootDir, String bundleName) {
  		if (bundleName.indexOf('/') != -1) {
  			bundleName = bundleName.replace('/', File.separatorChar);
  		}
  
  		if (!bundleName.startsWith(File.separator)) {
  			rootDir += File.separator;
  		}
  
  		return rootDir + PathNormalizer.escapeToPhysicalPath(bundleName);
  	}
docs: Resolves the file path of the bundle from the root directory.
  
  @param rootDir
  the rootDir
  @param bundleName
  the bundle name
  @return the file path