public Object getValueAt(int row, int column) {
   final String S_ProcName = "getValueAt";
   if ((row < 0) || (column < -1)) {
     return (null);
   }
   if (arrayOfService == null) {
     return (null);
   }
   int len = arrayOfService.length;
   if (row >= len) {
     return (null);
   }
   ICFSecurityServiceObj obj = arrayOfService[row];
   if (obj == null) {
     return (null);
   }
   Object retval;
   switch (column) {
     case COLID_ROW_HEADER:
       retval = obj;
       break;
     case COLID_OBJQUALIFIEDNAME:
       retval = obj.getObjQualifiedName();
       break;
     case COLID_SERVICEID:
       retval = new Long(obj.getRequiredServiceId());
       break;
     case COLID_HOSTPORT:
       retval = new Short(obj.getRequiredHostPort());
       break;
     case COLID_PARENT_SERVICETYPE:
       retval = obj.getOptionalParentServiceType(swingIsInitializing);
       break;
     default:
       retval = null;
       break;
   }
   return (retval);
 }