/**
* Prepares RollingFileAppender for use.
*/
public void activateOptions() {
SizeBasedTriggeringPolicy trigger = new SizeBasedTriggeringPolicy();
trigger.setMaxFileSize(maxFileSize);
trigger.activateOptions();
rfa.setTriggeringPolicy(trigger);
FixedWindowRollingPolicy rolling = new FixedWindowRollingPolicy();
rolling.setMinIndex(1);
rolling.setMaxIndex(maxBackupIndex);