content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.widgets.serialdate;
  
  import org.opencms.acacia.shared.I_CmsSerialDateValue.EndType;
  
  import java.util.Calendar;
  import java.util.Date;
  import java.util.SortedSet;
  
  import org.apache.commons.lang3.ArrayUtils;
  
  /**
   * Implementation of @{link org.opencms.widgets.serialdate.I_CmsSerialDateBean}
   * that handles series' specified on a daily base.
   */
  public class CmsSerialDateBeanWorkingDays extends A_CmsSerialDateBean {
  
      /** The non-working days. */
      private static final int[] NON_WORKING_DAYS = {Calendar.SATURDAY, Calendar.SUNDAY};
  
      /**
       * Constructs the bean with all the information provided by the {@link org.opencms.widgets.CmsSerialDateWidget}.
       *
       * @param startDate the start date of the series as provided by the serial date widget.
       * @param endDate the end date of the series as provided by the serial date widget.
       * @param isWholeDay flag, indicating if the event lasts the whole day
       * @param endType the end type of the series as provided by the serial date widget.
       * @param serialEndDate the end date of the series as provided by the serial date widget.
       * @param occurrences the maximal number of occurrences of the event as provided by the serial date widget.
       * @param exceptions dates where the event does not take place, even if it is in the series.
       */
      public CmsSerialDateBeanWorkingDays(
          Date startDate,
          Date endDate,
          boolean isWholeDay,
          EndType endType,
          Date serialEndDate,
          int occurrences,
          SortedSet<Date> exceptions) {
          super(startDate, endDate, isWholeDay, endType, serialEndDate, occurrences, exceptions);
  
      }
  
      /**
       * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#getFirstDate()
       */
      @Override
      protected Calendar getFirstDate() {
  
          Calendar date = (Calendar)getStartDate().clone();
          if (!isWorkingDay(date)) {
              toNextDate(date);
          }
          return date;
  
      }
  
      /**
       * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#isAnyDatePossible()
       */
      @Override
      protected boolean isAnyDatePossible() {
  
          return true;
      }
  
      /**
       * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#toNextDate(java.util.Calendar)
       */
      @Override
      protected void toNextDate(Calendar date) {
  
          do {
              date.add(Calendar.DATE, 1);
          } while (!isWorkingDay(date));
  
      }
  
      /**
       * Check, if the day for the provided date is a working day (i.e., not Saturday or Sunday).
       * @param date the date to check.
       * @return <code>true</code> if the provided date represents a working day, <code>false</code> otherwise.
       */
      private boolean isWorkingDay(Calendar date) {
  
          return !ArrayUtils.contains(NON_WORKING_DAYS, date.get(Calendar.DAY_OF_WEEK));
      }
  
  }
  