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Library that provides facilities to allow project information to be manipulated in Java and .Net. Supports a range of data formats: Microsoft Project Exchange (MPX), Microsoft Project (MPP,MPT), Microsoft Project Data Interchange (MSPDI XML), Microsoft Project Database (MPD), Planner (XML), Primavera (PM XML, XER, and database), Asta Powerproject (PP, MDB), Asta Easyplan (PP), Phoenix Project Manager (PPX), FastTrack Schedule (FTS), and the Standard Data Exchange Format (SDEF).

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/*
 * file:       DayOfWeekHelper.java
 * author:     Jon Iles
 * date:       2023-06-26
 */

/*
 * 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.
 *
 * 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 net.sf.mpxj.common;

import java.time.DayOfWeek;

/**
 * Common code for working with DayOfWeek instances.
 */
public final class DayOfWeekHelper
{
   /**
    * Retrieve a Day instance representing the supplied value.
    *
    * @param type type value
    * @return Day instance
    */
   public static DayOfWeek getInstance(int type)
   {
      DayOfWeek result;
      --type;

      if (type < 0 || type >= ORDERED_DAYS.length)
      {
         result = null;
      }
      else
      {
         result = ORDERED_DAYS[type];
      }
      return result;
   }

   /**
    * Retrieve the ordinal value for a DayOfWeek instance.
    *
    * @param day DayOfWeek instance
    * @return ordinal value
    */
   public static int getValue(DayOfWeek day)
   {
      switch (day)
      {
         case SUNDAY:
            return 1;
         case MONDAY:
            return 2;
         case TUESDAY:
            return 3;
         case WEDNESDAY:
            return 4;
         case THURSDAY:
            return 5;
         case FRIDAY:
            return 6;
         case SATURDAY:
            return 7;
      }

      return 0;
   }

   /**
    * Array mapping int types to enums.
    */
   public static final DayOfWeek[] ORDERED_DAYS =
   {
      DayOfWeek.SUNDAY,
      DayOfWeek.MONDAY,
      DayOfWeek.TUESDAY,
      DayOfWeek.WEDNESDAY,
      DayOfWeek.THURSDAY,
      DayOfWeek.FRIDAY,
      DayOfWeek.SATURDAY
   };
}