code: protected final void addValidator(String name, String validatorId, Class<? extends TagHandler> type)
      {
          _factories.put(name, new UserValidatorHandlerFactory(validatorId, type));
      }
docs: Add a ValidateHandler for the specified validatorId
  
  @see javax.faces.view.facelets.ValidatorHandler
  @see javax.faces.view.facelets.ValidatorConfig
  @see javax.faces.application.Application#createValidator(java.lang.String)
  @param name
  name to use, "foo" would be &lt;my:foo />
  @param validatorId
  id to pass to Application instance
  @param type
  TagHandler type that takes in a ValidatorConfig