/**
* Validate the customer's personal identity number against ABC Wireless Inc’s
* database
* @param mapping
 * @param form
 * @param request
 * @param response
 * @return actionForward
 * @throws Exception
 */
public ActionForward execute(ActionMapping mapping, ActionForm form, 
HttpServletRequest request,
HttpServletResponse response) throws Exception {
	  PersonalIdentityForm personalIdentityForm = (PersonalIdentityForm) form;
if(GenericValidator.isBlankOrNull(
personalIdentityForm.getSelectedPersonalIdentity())) {
		     throw new IllegalArgumentException(
					"The personal identity type should be selected.");
}
if(GenericValidator.isBlankOrNull(
personalIdentityForm.getPersonalIdentityNumber())) {
	     throw new IllegalArgumentException(
					"The personal identity number must not be empty.");
}
		
	    boolean  validateOK = true;
// TODO: validatePersonalIdentity(..) method perform the actual back-end 
validation again the actual user input data	   
validateOK=validatePersonalIdentity( 
       personalIdentityForm.getSelectePersonalIdentity(),
	    personalIdentityForm.getPersonalIdentityNumber()); 					
		// TODO : Peroform any other business logic based on the validation result.		
		ActionMessages messages = new ActionMessages();
		if(validateOK){
	messages.add("validateSuccess", new ActionMessage("validator.validate.success"));
	       	 saveMessages(request, messages);
					
			return mapping.findForward("success");
		}else{
messages.add("validateFailure", new 
ActionMessage("validator.validate.failed"));
			saveMessages(request, messages);
			return mapping.findForward("failure");
		}
}

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