ADF : Name validator

## Name validator

public void NameValidation_Normal(FacesContext facesContext, UIComponent uIComponent, Object object) {

       String value = (String)object;

       if ((value == null) || value.length() == 0) {

           return;

       }

       

       String expression = "[A-Za-z0-9]*";

       CharSequence inputStr = value;

       Pattern pattern = Pattern.compile(expression);

       Matcher matcher = pattern.matcher(inputStr);

       String error = "Special character not allowed";

       if (matcher.matches()) {

       } else {

           throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, error, null));

       }

   }