code: private boolean startsWithCustomRoot(String path) {
  		for (Enumeration<String> it = customRoots.elements(); it != null
  				&& it.hasMoreElements();) {
  			if (path.startsWith(it.nextElement())) {
  				return true;
  			}
  		}
  		return false;
  	}
docs: Tests whether path starts with a custom file system root.
  
  @param path
  @return <em>true</em> if path starts with an element of customRoots,
  <em>false</em> otherwise