/**
    * 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;
  
  import java.io.File;
  import java.util.Date;
  
  import ch.qos.logback.core.rolling.helper.TimeBasedArchiveRemover;
  
  /**
   * 
   * @author Ceki Gülcü
   * 
   * @param <E>
   */
  public class DefaultTimeBasedFileNamingAndTriggeringPolicy<E> extends
      TimeBasedFileNamingAndTriggeringPolicyBase<E> {
  
    @Override
    public void start() {
      super.start();
      archiveRemover = new TimeBasedArchiveRemover(tbrp.fileNamePattern, rc);
      archiveRemover.setContext(context);
      started = true;
    }
  
    public boolean isTriggeringEvent(File activeFile, final E event) {
      long time = getCurrentTime();
      if (time >= nextCheck) {
        Date dateOfElapsedPeriod = dateInCurrentPeriod;
        addInfo("Elapsed period: "+dateOfElapsedPeriod);
        elapsedPeriodsFileName = tbrp.fileNamePatternWCS
            .convert(dateOfElapsedPeriod);
        setDateInCurrentPeriod(time);
        computeNextCheck();
        return true;
      } else {
        return false;
      }
    }
  
    @Override
    public String toString() {
      return "c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy";
    }
  }