Package org.slf4j.helpers

Class NOPLogger

java.lang.Object
org.slf4j.helpers.MarkerIgnoringBase
org.slf4j.helpers.NOPLogger
All Implemented Interfaces:
Serializable, Logger
public class NOPLogger extends MarkerIgnoringBase
A direct NOP (no operation) implementation of Logger.
See Also:

  • Field Details

    • NOP_LOGGER

      public static final NOPLogger NOP_LOGGER
      The unique instance of NOPLogger.

  • Method Details

    • getName

      public String getName()
      Always returns the string value "NOP".
      Specified by:
      getName in interface Logger
      Returns:
      name of this logger instance

    • isTraceEnabled

      public final boolean isTraceEnabled()
      Always returns false.
      Returns:
      always false

    • trace

      public final void trace(String msg)
      A NOP implementation.
      Parameters:
      msg - the message string to be logged

    • trace

      public final void trace(String format, Object arg)
      A NOP implementation.
      Parameters:
      format - the format string
      arg - the argument

    • trace

      public final void trace(String format, Object arg1, Object arg2)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the first argument
      arg2 - the second argument

    • trace

      public final void trace(String format, Object... argArray)
      A NOP implementation.
      Parameters:
      format - the format string
      argArray - a list of 3 or more arguments

    • trace

      public final void trace(String msg, Throwable t)
      A NOP implementation.
      Parameters:
      msg - the message accompanying the exception
      t - the exception (throwable) to log

    • isDebugEnabled

      public final boolean isDebugEnabled()
      Always returns false.
      Returns:
      always false

    • debug

      public final void debug(String msg)
      A NOP implementation.
      Parameters:
      msg - the message string to be logged

    • debug

      public final void debug(String format, Object arg)
      A NOP implementation.
      Parameters:
      format - the format string
      arg - the argument

    • debug

      public final void debug(String format, Object arg1, Object arg2)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the first argument
      arg2 - the second argument

    • debug

      public final void debug(String format, Object... argArray)
      A NOP implementation.
      Parameters:
      format - the format string
      argArray - a list of 3 or more arguments

    • debug

      public final void debug(String msg, Throwable t)
      A NOP implementation.
      Parameters:
      msg - the message accompanying the exception
      t - the exception (throwable) to log

    • isInfoEnabled

      public final boolean isInfoEnabled()
      Always returns false.
      Returns:
      always false

    • info

      public final void info(String msg)
      A NOP implementation.
      Parameters:
      msg - the message string to be logged

    • info

      public final void info(String format, Object arg1)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the argument

    • info

      public final void info(String format, Object arg1, Object arg2)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the first argument
      arg2 - the second argument

    • info

      public final void info(String format, Object... argArray)
      A NOP implementation.
      Parameters:
      format - the format string
      argArray - a list of 3 or more arguments

    • info

      public final void info(String msg, Throwable t)
      A NOP implementation.
      Parameters:
      msg - the message accompanying the exception
      t - the exception (throwable) to log

    • isWarnEnabled

      public final boolean isWarnEnabled()
      Always returns false.
      Returns:
      always false

    • warn

      public final void warn(String msg)
      A NOP implementation.
      Parameters:
      msg - the message string to be logged

    • warn

      public final void warn(String format, Object arg1)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the argument

    • warn

      public final void warn(String format, Object arg1, Object arg2)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the first argument
      arg2 - the second argument

    • warn

      public final void warn(String format, Object... argArray)
      A NOP implementation.
      Parameters:
      format - the format string
      argArray - a list of 3 or more arguments

    • warn

      public final void warn(String msg, Throwable t)
      A NOP implementation.
      Parameters:
      msg - the message accompanying the exception
      t - the exception (throwable) to log

    • isErrorEnabled

      public final boolean isErrorEnabled()
      A NOP implementation.
      Returns:
      True if this Logger is enabled for the ERROR level, false otherwise.

    • error

      public final void error(String msg)
      A NOP implementation.
      Parameters:
      msg - the message string to be logged

    • error

      public final void error(String format, Object arg1)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the argument

    • error

      public final void error(String format, Object arg1, Object arg2)
      A NOP implementation.
      Parameters:
      format - the format string
      arg1 - the first argument
      arg2 - the second argument

    • error

      public final void error(String format, Object... argArray)
      A NOP implementation.
      Parameters:
      format - the format string
      argArray - a list of 3 or more arguments

    • error

      public final void error(String msg, Throwable t)
      A NOP implementation.
      Parameters:
      msg - the message accompanying the exception
      t - the exception (throwable) to log