@Override
    public Element createVCard(String username, Element vCardElement)
            throws UnsupportedOperationException, AlreadyExistsException {
        throw new UnsupportedOperationException("LdapVCardProvider: VCard changes not allowed.");
    }
Handles when a user creates a new vcard.

@param username User that created a new vcard.
@param vCardElement vCard element containing the new vcard.
@throws UnsupportedOperationException If an invalid field is changed or we are in readonly mode.
xmppserver/src/main/java/org/jivesoftware/openfire/ldap/LdapVCardProvider.java