public void expectIpv4(String name) {
        expectIpv4(name, messages.get(Validation.IPV4_KEY.name(), name));
    }
public void expectIpv4 ( String name ) { expectIpv4 ( name , messages . get ( Validation . IPV4_KEY . name ( ) , name ) ) ; }
Validates a field to be a valid IPv4 address

@param name The field to check