public void addSslPort(String newSslPort){
  String newSslPorts=StringUtils.addToList(newSslPort,getSslPorts(),10);
  setSslPorts(newSslPorts);
}

public void addSslPort ( String newSslPort ) { String newSslPorts = StringUtils . addToList ( newSslPort , getSslPorts ( ) , 10 ) ; setSslPorts ( newSslPorts ) ; }
add a new ssl port to start of current list of ports . maximum number is 10 . if port is already in list , it is brought to the first position .
