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  /* 
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   * Copyright (c) 2004-2007 QOS.ch
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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,  sublicense, and/or sell  copies of  the Software,  and to
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  * permit persons to whom the Software  is furnished to do so, subject to
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  * the following conditions:
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  * 
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  * The  above  copyright  notice  and  this permission  notice  shall  be
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  * included in all copies or substantial portions of the Software.
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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
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  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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  * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
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  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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  */
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 package org.slf4j;
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The LoggerFactory is a utility class producing Loggers for various logging APIs, most notably for log4j, logback and JDK 1.4 logging. Other implementations such as NOPLogger and SimpleLogger are also supported.

LoggerFactory is essentially a wrapper around an ILoggerFactory instance bound with LoggerFactory at compile time.

Please note that all methods in LoggerFactory are static.

Author(s):
Ceki Gülcü
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 public final class LoggerFactory {
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   // private constructor prevents instantiation
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   private LoggerFactory() {
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   }
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   static {
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     try { 
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     } catch (Exception e) {
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       // we should never get here
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       Util.reportFailure("Failed to instantiate logger ["
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           + ..getLoggerFactoryClassStr() + "]", e);
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     }
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   }

  
Return a logger named according to the name parameter using the statically bound ILoggerFactory instance.

Parameters:
name The name of the logger.
Returns:
logger
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   public static Logger getLogger(String name) {
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     if( == null) {
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       throw new IllegalStateException("Logging factory implementation cannot be null. See also http://www.slf4j.org/codes.html#null_LF");
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     }
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     return .getLogger(name);
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   }

  
Return a logger named corresponding to the class passed as parameter, using the statically bound ILoggerFactory instance.

Parameters:
clazz the returned logger will be named after clazz
Returns:
logger
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   public static Logger getLogger(Class clazz) {
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     if( == null) {
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       throw new IllegalStateException("Logging factory implementation cannot be null. See also http://www.slf4j.org/codes.html#null_LF");
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     }
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     return .getLogger(clazz.getName());
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   }

  
Return the ILoggerFactory instance in use.

ILoggerFactory instance is bound with this class at compile time.

Returns:
the ILoggerFactory instance in use
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  public static ILoggerFactory getILoggerFactory() {
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    return ;
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  }
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