public Appcast fetch(final URL url) throws AppcastException {
        return fetch(url, null, DEFAULT_READ_TIMEOUT, DEFAULT_READ_TIMEOUT);
    }
public Appcast fetch ( final URL url ) throws AppcastException { return fetch ( url , null , DEFAULT_READ_TIMEOUT , DEFAULT_READ_TIMEOUT ) ; }
Fetch an appcast from the given URL

@param url The update URL
@return The fetched appcast content
@throws AppcastException in case of an error