StaticAppender.java

public class StaticAppender extends AppenderBase<ILoggingEvent> {
	static List<ILoggingEvent> events = new ArrayList<>();

	@Override
	public void append(ILoggingEvent e) {
		events.add(e);
	}

	public static List<ILoggingEvent> getEvents() {
		return events;
	}

	public static void clearEvents() {
		events.clear();
	}
}