final URL url = new URL(null, "zip:/Program Files/foo.zip!/", new URLStreamHandler() {
            @Override
            protected void parseURL(final URL u, final String spec, final int start, final int limit) {
                setURL(u, "zip", null, 0, null, null, spec.substring(4), null, null);
            }

            @Override
            protected URLConnection openConnection(final URL u) throws IOException {

            final byte[] buf = buffer.array();
            int len;
            int amount = 0;
            while ((len = in.read(buf)) != -1) {
                buffer.limit(len);
                channel.write(buffer, amount);
                buffer.clear();
                amount += len;
            }
            out.flush();
            return amount;