this.target = target;
this.listener = listener;
fel.addFun(fun);
Tags $Tags = Tags.me();
Attrs $Attrs = Attrs.me();
fel.getContext().set("$Tags", $Tags);
fel.getContext().set("$Attrs", $Attrs);
fel.getContext().set("$Util", CommonUtil.class);
fel.getContext().set("$ParserUtil", ParserUtil.class);
fel.getContext().set("$target", this.target);