code: private static Style.LineJoin  parseStrokeLineJoin(String val)
     {
        if ("miter".equals(val))
           return Style.LineJoin.Miter;
        if ("round".equals(val))
           return Style.LineJoin.Round;
        if ("bevel".equals(val))
           return Style.LineJoin.Bevel;
        return null;
     }
docs: Parse stroke-linejoin