What are content handlers and why should I care?
Apparently, there are no content handlers defined in the Java spec. The JDK from sun provides Content handlers as Java’s way to add functionality to the URL class. By adding content handlers, the URL class can be made to return various MIME types as objects with the getContent method. With the proper content handlers in place, downloading GIFs, JPEGs, MPEGs, and Postscript documents, to name a few, is just a single method call.