/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2011, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.rolling.helper;
  
  import java.io.File;
  import java.util.Date;
  
  public class SizeAndTimeBasedArchiveRemover extends DefaultArchiveRemover {
  
    public SizeAndTimeBasedArchiveRemover(FileNamePattern fileNamePattern,
        RollingCalendar rc) {
      super(fileNamePattern, rc);
    }
  
    public void cleanByPeriodOffset(Date now, int periodOffset) {
      Date dateOfPeriodToClean = rc.getRelativeDate(now, periodOffset);
  
      String regex = fileNamePattern.toRegex(dateOfPeriodToClean);
      String stemRegex = FileFilterUtil.afterLastSlash(regex);
      File archive0 = new File(fileNamePattern.convertMultipleArguments(
          dateOfPeriodToClean, 0));
      // in case the file has no directory part, i.e. if it's written into the
      // user's current directory.
      archive0 = archive0.getAbsoluteFile();
  
      File parentDir = archive0.getAbsoluteFile().getParentFile();
      File[] matchingFileArray = FileFilterUtil.filesInFolderMatchingStemRegex(
          parentDir, stemRegex);
  
      for (File f : matchingFileArray) {
        f.delete();
      }
  
      if (parentClean) {
        removeFolderIfEmpty(parentDir);
      }
    }
  
  
  }