if (iteratorValue1 == null || iteratorValue1.trim().length() <= 0 ) {
addFieldError("iteratorValue1", "iterator value 1 cannot be empty");
}
else if (iteratorValue1.trim().indexOf(",") <= 0) {
addFieldError("iteratorValue1", "iterator value 1 needs to be comma separated");
}
if (iteratorValue2 == null || iteratorValue2.trim().length() <= 0) {
addFieldError("iteratorValue2", "iterator value 2 cannot be empty");
}
else if (iteratorValue2.trim().indexOf(",") <= 0) {
addFieldError("iteratorValue2", "iterator value 2 needs to be comma separated");
}