类分层结构
- java.lang.Object
- com.fr.third.apache.log4j.AppenderSkeleton (implements com.fr.third.apache.log4j.Appender, com.fr.third.apache.log4j.spi.OptionHandler)
- java.awt.Component (implements java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable)
- java.awt.Container
- javax.swing.JComponent (implements java.io.Serializable)
- javax.swing.JPanel (implements javax.accessibility.Accessible)
- javax.swing.plaf.ComponentUI
- com.fr.design.mainframe.loghandler.LogHandlerBarUI (implements java.awt.event.FocusListener, java.awt.event.MouseListener)
- com.fr.design.mainframe.loghandler.DesignerLogHandler