package org.slf4j; import java.util.ArrayList; import java.util.List; import org.apache.log4j.AppenderSkeleton; import org.apache.log4j.spi.LoggingEvent; public class ListAppender extends AppenderSkeleton { public List list = new ArrayList(); public boolean extractLocationInfo = false; protected void append(LoggingEvent event) { list.add(event); if(extractLocationInfo) { event.getLocationInformation(); } } public void close() { } public boolean requiresLayout() { return false; } }