abstract class TagIdGenerator
Utility class for generating 'id' attributes values for JSP tags. Given the
name of a tag (the data bound path in most cases) returns a unique ID for that name within
the current PageContext. Each request for an ID for a given name will append an
ever increasing counter to the name itself. For instance, given the name 'person.name',
the first request will give 'person.name1' and the second will give
'person.name2'. This supports the common use case where a set of radio or check buttons
are generated for the same data field, with each button being a distinct tag instance.