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  package org.slf4j.impl;
  
  import org.apache.cayenne.modeler.util.ModelerLogFactory;
  import org.slf4j.ILoggerFactory;
  import org.slf4j.spi.LoggerFactoryBinder;
  
  /**
   * StaticLoggerBinder bind and replace standard SLF4J LoggerFactory to ModelerLogFactory.
   * This is used because in Cayenne Modeler we use custom logger implementation (ModelerLogger)
   * for logging in System.err and modeler logger.
   *
   * @since 4.0
   */
  public class StaticLoggerBinder implements LoggerFactoryBinder {
  
      private final static StaticLoggerBinder SINGLETON = new StaticLoggerBinder();
      private final static String LOGGER_FACTORY_CLASS_STR = ModelerLogFactory.class.getName();
  
      private final ILoggerFactory loggerFactory = new ModelerLogFactory();
  
      public static StaticLoggerBinder getSingleton() {
          return SINGLETON;
      }
  
      public ILoggerFactory getLoggerFactory() {
          return this.loggerFactory;
      }
  
      public String getLoggerFactoryClassStr() {
          return LOGGER_FACTORY_CLASS_STR;
      }
  }
  