Attribute for String and List<String>

 

Is it possible to define a tag attribute valid for

Both String and List<String>?

 

When I use a List<String> attribute with a String a such

An error:

 

javax.servlet.jsp.el.ELException: Attempt to convert String "1;2;5;10"
to type "java.util.List", but there is no PropertyEditor for that type

 

If the argument is a String I would like to call a string tokenizer with
; delimiter.