@Override public void error(String msg){
  if (logger.isLoggable(Level.SEVERE)) {
    log(SELF,Level.SEVERE,msg,null);
  }
}

@ Override public void error ( String msg ) { if ( logger . isLoggable ( Level . SEVERE ) ) { log ( SELF , Level . SEVERE , msg , null ) ; } }
log a message object at the severe level .
