A comma separated list of monitor names will be passed as is read from
domain.xml's alert-service, subscribe-listener-with attribute.
// No need to check for null as it is already done by domain.xml's
// validation.
StringTokenizer tokenizer =
new StringTokenizer( subscribeListenersWith, "," );
ArrayList list = new ArrayList( );
while( tokenizer.hasMoreTokens( ) ) {
String monitorName = tokenizer.nextToken( );
list.add( monitorName.trim() );
}
monitorNames = list;
this.listener = listener;
this.filter = filter;
