if (Handler.factory != null) {
                throw new IllegalStateException(
                        "URLStreamHandlerFactory already set.");
            }
            PROTOCOL_HANDLERS.clear();
            Handler.factory = factory;
        }
    }

    /**
     * Returns the default HTTP port.
     *
     * @return An <code>int</code> containing the default HTTP port.
     */

        synchronized ( PROTOCOL_HANDLERS ) {
            if ( Handler.factory != null ) {
                throw new IllegalStateException("URLStreamHandlerFactory already set.");
            }
            PROTOCOL_HANDLERS.clear();
            Handler.factory = factory;
        }
    }


    /**
     * @param tc
     *            context to use
     * 
     */
    public Handler ( CIFSContext tc ) {