Interface Logger


  • public interface Logger
    This class is not part of the public API. It may be removed or changed at any time.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void debug​(java.lang.String msg)
      Log a message at the DEBUG level.
      void debug​(java.lang.String msg, java.lang.Throwable t)
      Log an exception (throwable) at the DEBUG level with an accompanying message.
      void error​(java.lang.String msg)
      Log a message at the ERROR level.
      void error​(java.lang.String msg, java.lang.Throwable t)
      Log an exception (throwable) at the ERROR level with an accompanying message.
      java.lang.String getName()
      Return the name of this Logger instance.
      void info​(java.lang.String msg)
      Log a message at the INFO level.
      void info​(java.lang.String msg, java.lang.Throwable t)
      Log an exception (throwable) at the INFO level with an accompanying message.
      boolean isDebugEnabled()
      Is the logger instance enabled for the DEBUG level?
      boolean isErrorEnabled()
      Is the logger instance enabled for the ERROR level?
      boolean isInfoEnabled()
      Is the logger instance enabled for the INFO level?
      boolean isTraceEnabled()
      Is the logger instance enabled for the TRACE level?
      boolean isWarnEnabled()
      Is the logger instance enabled for the WARN level?
      void trace​(java.lang.String msg)
      Log a message at the TRACE level.
      void trace​(java.lang.String msg, java.lang.Throwable t)
      Log an exception (throwable) at the TRACE level with an accompanying message.
      void warn​(java.lang.String msg)
      Log a message at the WARN level.
      void warn​(java.lang.String msg, java.lang.Throwable t)
      Log an exception (throwable) at the WARN level with an accompanying message.
    • Method Detail

      • getName

        java.lang.String getName()
        Return the name of this Logger instance.
        Returns:
        name of this logger instance
      • isTraceEnabled

        boolean isTraceEnabled()
        Is the logger instance enabled for the TRACE level?
        Returns:
        True if this Logger is enabled for the TRACE level, false otherwise.
        Since:
        1.4
      • trace

        void trace​(java.lang.String msg)
        Log a message at the TRACE level.
        Parameters:
        msg - the message string to be logged
        Since:
        1.4
      • trace

        void trace​(java.lang.String msg,
                   java.lang.Throwable t)
        Log an exception (throwable) at the TRACE level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
        Since:
        1.4
      • isDebugEnabled

        boolean isDebugEnabled()
        Is the logger instance enabled for the DEBUG level?
        Returns:
        True if this Logger is enabled for the DEBUG level, false otherwise.
      • debug

        void debug​(java.lang.String msg)
        Log a message at the DEBUG level.
        Parameters:
        msg - the message string to be logged
      • debug

        void debug​(java.lang.String msg,
                   java.lang.Throwable t)
        Log an exception (throwable) at the DEBUG level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
      • isInfoEnabled

        boolean isInfoEnabled()
        Is the logger instance enabled for the INFO level?
        Returns:
        True if this Logger is enabled for the INFO level, false otherwise.
      • info

        void info​(java.lang.String msg)
        Log a message at the INFO level.
        Parameters:
        msg - the message string to be logged
      • info

        void info​(java.lang.String msg,
                  java.lang.Throwable t)
        Log an exception (throwable) at the INFO level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
      • isWarnEnabled

        boolean isWarnEnabled()
        Is the logger instance enabled for the WARN level?
        Returns:
        True if this Logger is enabled for the WARN level, false otherwise.
      • warn

        void warn​(java.lang.String msg)
        Log a message at the WARN level.
        Parameters:
        msg - the message string to be logged
      • warn

        void warn​(java.lang.String msg,
                  java.lang.Throwable t)
        Log an exception (throwable) at the WARN level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
      • isErrorEnabled

        boolean isErrorEnabled()
        Is the logger instance enabled for the ERROR level?
        Returns:
        True if this Logger is enabled for the ERROR level, false otherwise.
      • error

        void error​(java.lang.String msg)
        Log a message at the ERROR level.
        Parameters:
        msg - the message string to be logged
      • error

        void error​(java.lang.String msg,
                   java.lang.Throwable t)
        Log an exception (throwable) at the ERROR level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log