Android添加书签(二)(17)

     * 
     * @param cr
     *            The ContentResolver to use.
     * @param url
     *            The url of the bookmark to update.
     * @param favicon
     *            The favicon bitmap to write to the db.
     */ 
    /* package */static void updateBookmarkFavicon(ContentResolver cr, 
            String url, Bitmap favicon) { 
        if (url == null || favicon == null) { 
            return; 
        } 
        // Strip the query. 
        int query = url.indexOf('?'); 
        String noQuery = url; 
        if (query != -1) { 
            noQuery = url.substring(0, query); 
        } 
        url = noQuery + '?'; 
        // Use noQuery to search for the base url (i.e. if the url is 
        // http://www.yahoo.com/?rs=1, search for http://www.yahoo.com) 
        // Use url to match the base url with other queries (i.e. if the url is 
        // http://www.google.com/m, search for 
        // http://www.google.com/m?some_query) 
        final String[] selArgs = new String[] { noQuery, url }; 
        final String where = "(" + Browser.BookmarkColumns.URL + " == ? OR " 
                + Browser.BookmarkColumns.URL + " GLOB ? || '*') AND " 
                + Browser.BookmarkColumns.BOOKMARK + " == 1"; 
        final String[] projection = new String[] { Browser.BookmarkColumns._ID }; 
        final Cursor c = cr.query(Browser.BOOKMARKS_URI, projection, where, 
                selArgs, null);