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

    Modifier and Type
    Method
    Description
    default void
    Log a message at the DEBUG level.
    default void
    Log an exception (throwable) at the DEBUG level with an accompanying message.
    default void
    Log a message at the ERROR level.
    default void
    Log an exception (throwable) at the ERROR level with an accompanying message.
    Return the name of this Logger instance.
    default void
    info(String msg)
    Log a message at the INFO level.
    default void
    Log an exception (throwable) at the INFO level with an accompanying message.
    default boolean
    Is the logger instance enabled for the DEBUG level?
    default boolean
    Is the logger instance enabled for the ERROR level?
    default boolean
    Is the logger instance enabled for the INFO level?
    default boolean
    Is the logger instance enabled for the TRACE level?
    default boolean
    Is the logger instance enabled for the WARN level?
    default void
    Log a message at the TRACE level.
    default void
    Log an exception (throwable) at the TRACE level with an accompanying message.
    default void
    warn(String msg)
    Log a message at the WARN level.
    default void
    Log an exception (throwable) at the WARN level with an accompanying message.
  • Method Details

    • getName

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

      default 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

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

      default void trace(String msg, 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

      default 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

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

      default void debug(String msg, 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

      default 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

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

      default void info(String msg, 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

      default 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

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

      default void warn(String msg, 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

      default 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

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

      default void error(String msg, 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