"pointing on a ServletDirectoryFrame.");
} else {
ServletDirectoryFrame sframe = (ServletDirectoryFrame)res;
FramedResource resource = (FramedResource)sframe.getResource();
resource.addStructureChangedListener(this);
if (resource.definesAttribute("directory"))
this.directory =
(File) resource.getValue("directory", null);
}
} catch(InvalidResourceException ex) {
throw new IllegalArgumentException("This reference is pointing on"+