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  /* 
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   * Copyright (c) 2004-2005 SLF4J.ORG
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   * 
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   * All rights reserved.
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   * 
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   * Permission is hereby granted, free of charge, to any person obtaining
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   * a copy of this software and associated documentation files (the
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   * "Software"), to  deal in  the Software without  restriction, including
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   * without limitation  the rights to  use, copy, modify,  merge, publish,
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  * distribute, and/or sell copies of  the Software, and to permit persons
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  * to whom  the Software is furnished  to do so, provided  that the above
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  * copyright notice(s) and this permission notice appear in all copies of
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  * the  Software and  that both  the above  copyright notice(s)  and this
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  * permission notice appear in supporting documentation.
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  * 
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  * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
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  * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
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  * MERCHANTABILITY, FITNESS FOR  A PARTICULAR PURPOSE AND NONINFRINGEMENT
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  * OF  THIRD PARTY  RIGHTS. IN  NO EVENT  SHALL THE  COPYRIGHT  HOLDER OR
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  * HOLDERS  INCLUDED IN  THIS  NOTICE BE  LIABLE  FOR ANY  CLAIM, OR  ANY
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  * SPECIAL INDIRECT  OR CONSEQUENTIAL DAMAGES, OR  ANY DAMAGES WHATSOEVER
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  * RESULTING FROM LOSS  OF USE, DATA OR PROFITS, WHETHER  IN AN ACTION OF
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  * CONTRACT, NEGLIGENCE  OR OTHER TORTIOUS  ACTION, ARISING OUT OF  OR IN
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  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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  * 
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  * Except as  contained in  this notice, the  name of a  copyright holder
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  * shall not be used in advertising or otherwise to promote the sale, use
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  * or other dealings in this Software without prior written authorization
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  * of the copyright holder.
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  *
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  */
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 package org.slf4j;

The main user interface to logging. It is expected that logging takes place through concrete implementations of this interface.

Author(s):
Ceki Gülcü
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 public interface Logger {


  
Return the name of this Logger instance. 
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   public String getName();

  
Is the logger instance enabled for the DEBUG level?

Returns:
True if this Logger is enabled for the DEBUG level, false otherwise.
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   public boolean isDebugEnabled();
  
  
Log a message at the DEBUG level.

Parameters:
msg the message string to be logged
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   public void debug(String msg);
  

  
Log a message at the DEBUG level according to the specified format and argument.

This form avoids superfluous object creation when the logger is disabled for the DEBUG level.

Parameters:
format the format string
arg the argument
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   public void debug(String format, Object arg);


  
  
Log a message at the DEBUG level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the DEBUG level.

Parameters:
format the format string
arg1 the first argument
arg2 the second argument
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   public void debug(String format, Object arg1, Object arg2);

  
Log a message at the DEBUG level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the DEBUG level.

Parameters:
format the format string
argArray an array of arguments
102
  public void debug(String format, Object[] argArray);
  
  
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
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  public void debug(String msg, Throwable t);
 
  
  
Similar to isDebugEnabled() method except that the marker data is also taken into account.

Parameters:
marker The marker data to take into consideration
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  public boolean isDebugEnabled(Marker marker);
  
  
Log a message with the specific Marker at the DEBUG level.

Parameters:
marker the marker data specific to this log statement
msg the message string to be logged
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  public void debug(Marker marker, String msg);
  
  
This method is similar to debug(java.lang.String,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg the argument
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  public void debug(Marker marker, String format, Object arg);
 
 
  
This method is similar to debug(java.lang.String,java.lang.Object,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg1 the first argument
arg2 the second argument
151
  public void debug(Marker marker, String format, Object arg1, Object arg2);

  
This method is similar to debug(java.lang.String,java.lang.Object[]) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
argArray an array of arguments
162
  public void debug(Marker marker, String format, Object[] argArray);

  
  
This method is similar to debug(java.lang.String,java.lang.Throwable) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
msg the message accompanying the exception
t the exception (throwable) to log
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  public void debug(Marker marker, String msg, Throwable t);
  
  
  
Is the logger instance enabled for the INFO level?

Returns:
True if this Logger is enabled for the INFO level, false otherwise.
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  public boolean isInfoEnabled();

  
  
Log a message at the INFO level.

Parameters:
msg the message string to be logged
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  public void info(String msg);
  

  
Log a message at the INFO level according to the specified format and argument.

This form avoids superfluous object creation when the logger is disabled for the INFO level.

Parameters:
format the format string
arg the argument
202
  public void info(String format, Object arg);

  
  
Log a message at the INFO level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the INFO level.

Parameters:
format the format string
arg1 the first argument
arg2 the second argument
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  public void info(String format, Object arg1, Object arg2);

  
Log a message at the INFO level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the INFO level.

Parameters:
format the format string
argArray an array of arguments
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  public void info(String format, Object[] argArray);
  
  
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
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  public void info(String msg, Throwable t);

  
Similar to isInfoEnabled() method except that the marker data is also taken into consideration.

Parameters:
marker The marker data to take into consideration
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  public boolean isInfoEnabled(Marker marker);
  
  
Log a message with the specific Marker at the INFO level.

Parameters:
marker The marker specific to this log statement
msg the message string to be logged
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  public void info(Marker marker, String msg);
  
  
This method is similar to info(java.lang.String,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg the argument
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  public void info(Marker marker, String format, Object arg);
  
  
This method is similar to info(java.lang.String,java.lang.Object,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg1 the first argument
arg2 the second argument
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  public void info(Marker marker, String format, Object arg1, Object arg2);  
  
  
  
This method is similar to info(java.lang.String,java.lang.Object[]) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
argArray an array of arguments
287
  public void info(Marker marker, String format, Object[] argArray);

  
  
This method is similar to info(java.lang.String,java.lang.Throwable) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data for this log statement
msg the message accompanying the exception
t the exception (throwable) to log
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  public void info(Marker marker, String msg, Throwable t); 

  
  
Is the logger instance enabled for the WARN level?

Returns:
True if this Logger is enabled for the WARN level, false otherwise.
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  public boolean isWarnEnabled();

  
Log a message at the WARN level.

Parameters:
msg the message string to be logged
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  public void warn(String msg);

 
Log a message at the WARN level according to the specified format and argument.

This form avoids superfluous object creation when the logger is disabled for the WARN level.

Parameters:
format the format string
arg the argument
325
  public void warn(String format, Object arg);

  
  
Log a message at the WARN level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the WARN level.

Parameters:
format the format string
argArray an array of arguments
338
  public void warn(String format, Object[] argArray);
  
  
Log a message at the WARN level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the WARN level.

Parameters:
format the format string
arg1 the first argument
arg2 the second argument
351
  public void warn(String format, Object arg1, Object arg2);
  
  
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
360
  public void warn(String msg, Throwable t);
  

  
Similar to isWarnEnabled() method except that the marker data is also taken into consideration.

Parameters:
marker The marker data to take into consideration
369
  public boolean isWarnEnabled(Marker marker);
 
  
Log a message with the specific Marker at the WARN level.

Parameters:
marker The marker specific to this log statement
msg the message string to be logged
377
  public void warn(Marker marker, String msg); 
  
  
This method is similar to warn(java.lang.String,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg the argument
387
  public void warn(Marker marker, String format, Object arg);
  
  
This method is similar to warn(java.lang.String,java.lang.Object,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg1 the first argument
arg2 the second argument
399
  public void warn(Marker marker, String format, Object arg1, Object arg2);  
  
  
This method is similar to warn(java.lang.String,java.lang.Object[]) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
argArray an array of arguments
410
  public void warn(Marker marker, String format, Object[] argArray);

  
  
This method is similar to warn(java.lang.String,java.lang.Throwable) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data for this log statement
msg the message accompanying the exception
t the exception (throwable) to log
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  public void warn(Marker marker, String msg, Throwable t); 
  

  
Is the logger instance enabled for the ERROR level?

Returns:
True if this Logger is enabled for the ERROR level, false otherwise.
429
  public boolean isErrorEnabled();
  
  
Log a message at the ERROR level.

Parameters:
msg the message string to be logged
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  public void error(String msg);
  
 
Log a message at the ERROR level according to the specified format and argument.

This form avoids superfluous object creation when the logger is disabled for the ERROR level.

Parameters:
format the format string
arg the argument
448
  public void error(String format, Object arg);

  
Log a message at the ERROR level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the ERROR level.

Parameters:
format the format string
arg1 the first argument
arg2 the second argument
461
  public void error(String format, Object arg1, Object arg2);

  
Log a message at the ERROR level according to the specified format and arguments.

This form avoids superfluous object creation when the logger is disabled for the ERROR level.

Parameters:
format the format string
argArray an array of arguments
473
  public void error(String format, Object[] argArray);
  
  
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
482
  public void error(String msg, Throwable t);


  
Similar to isErrorEnabled() method except that the marker data is also taken into consideration.

Parameters:
marker The marker data to take into consideration
491
  public boolean isErrorEnabled(Marker marker);
  
  
Log a message with the specific Marker at the ERROR level.

Parameters:
marker The marker specific to this log statement
msg the message string to be logged
499
  public void error(Marker marker, String msg); 
  
  
This method is similar to error(java.lang.String,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg the argument
509
  public void error(Marker marker, String format, Object arg);
  
  
This method is similar to error(java.lang.String,java.lang.Object,java.lang.Object) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
arg1 the first argument
arg2 the second argument
521
  public void error(Marker marker, String format, Object arg1, Object arg2);  
  
  
This method is similar to error(java.lang.String,java.lang.Object[]) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
format the format string
argArray an array of arguments
532
  public void error(Marker marker, String format, Object[] argArray);

  
  
This method is similar to error(java.lang.String,java.lang.Throwable) method except that the marker data is also taken into consideration.

Parameters:
marker the marker data specific to this log statement
msg the message accompanying the exception
t the exception (throwable) to log
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544
  public void error(Marker marker, String msg, Throwable t);
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