public with sharing class ContactTriggerHandler {
    public static final String SELF = 'Contact';

    public static void onBeforeInsert(List<Contact> newList) {
        if (TriggerControl.isTriggerEnabled(SELF, TriggerOperation.BEFORE_INSERT)) {
            ContactTriggerHelper.setRecordTypeAndPopulateRequiredFields(newList);
        }
    }
}