package org.lsst.ccs.utilities.logging;
   
   import java.util.logging.ConsoleHandler;
   import java.util.logging.Level;
   import java.util.logging.LogManager;
   import java.util.logging.LogRecord;
   
   import static org.lsst.ccs.utilities.tracers.Tracer.trace;
   
  /**
   * A Console handler that detects duplicate logs.
   * <BR/>
   * This Handler systematically eliminates the standard <TT>ConsoleHandler</TT> that could be
   * running at the top of the hierarchy.
   *
   * @author bamade
   */
  // Date: 29/05/13
  
  public class ConsoleHandlerN extends ConsoleHandler {
      protected static final IsLoggableDelegate isLoggableDelegate = new IsLoggableDelegate();
  
      @Override
      public boolean isLoggable(LogRecord record) {
          assert trace("->" + record.getLoggerName() + " loggable?: " + super.isLoggable(record));
          return super.isLoggable(record) && isLoggableDelegate.isLoggable(record);
      }
  
      public ConsoleHandlerN() {
          LogManager logManager = LogManager.getLogManager();
  
          Level defaultLevel = LogManagement.cleanConsole();
              /*
              if (defaultLevel != null) {
                  setLevel(defaultLevel);
              */
      }
  }