类分层结构
- java.lang.Object
- com.fr.third.apache.log4j.helpers.AppenderAttachableImpl (implements com.fr.third.apache.log4j.spi.AppenderAttachable)
- com.fr.third.apache.log4j.helpers.BoundedFIFO
- com.fr.third.apache.log4j.helpers.CyclicBuffer
- java.text.Format (implements java.lang.Cloneable, java.io.Serializable)
- com.fr.third.apache.log4j.helpers.FormattingInfo
- com.fr.third.apache.log4j.Layout (implements com.fr.third.apache.log4j.spi.OptionHandler)
- com.fr.third.apache.log4j.helpers.Loader
- com.fr.third.apache.log4j.helpers.LogLog
- com.fr.third.apache.log4j.helpers.MDCKeySetExtractor
- com.fr.third.apache.log4j.helpers.NullEnumeration (implements java.util.Enumeration<E>)
- com.fr.third.apache.log4j.helpers.OnlyOnceErrorHandler (implements com.fr.third.apache.log4j.spi.ErrorHandler)
- com.fr.third.apache.log4j.helpers.OptionConverter
- com.fr.third.apache.log4j.helpers.PatternConverter
- com.fr.third.apache.log4j.helpers.PatternParser
- com.fr.third.apache.log4j.Priority
- com.fr.third.apache.log4j.Level (implements java.io.Serializable)
- java.lang.Thread (implements java.lang.Runnable)
- java.lang.ThreadLocal<T>
- java.lang.InheritableThreadLocal<T>
- com.fr.third.apache.log4j.helpers.Transform
- java.io.Writer (implements java.lang.Appendable, java.io.Closeable, java.io.Flushable)
- java.io.FilterWriter
- com.fr.third.apache.log4j.helpers.SyslogWriter